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/' >> ${OUT}
 502
 503 # Special treatment of struct stat st_dev for GNU/Hurd
 504 # /usr/include/i386-gnu/bits/stat.h: #define st_dev st_fsid
 505 st_dev='-e s/st_dev/Dev/'
 506 if grep 'define st_dev st_fsid' gen-sysinfo.go > /dev/null 2>&1; then
 507   st_dev='-e s/st_fsid/Dev/'
 508 fi
 509
 510 # The stat type.
 511 # Prefer largefile variant if available.
 512 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 513 if test "$stat" != ""; then
 514   grep '^type _stat64 ' gen-sysinfo.go
 515 else
 516   grep '^type _stat ' gen-sysinfo.go
 517 fi | sed -e 's/type _stat64/type Stat_t/' \
 518          -e 's/type _stat/type Stat_t/' \
 519          ${st_dev} \
 520          -e 's/st_ino/Ino/g' \
 521          -e 's/st_nlink/Nlink/' \
 522          -e 's/st_mode/Mode/' \
 523          -e 's/st_uid/Uid/' \
 524          -e 's/st_gid/Gid/' \
 525          -e 's/st_rdev/Rdev/' \
 526          -e 's/st_size/Size/' \
 527          -e 's/st_blksize/Blksize/' \
 528          -e 's/st_blocks/Blocks/' \
 529          -e 's/st_atim/Atim/' \
 530          -e 's/st_mtim/Mtim/' \
 531          -e 's/st_ctim/Ctim/' \
 532          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 533          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 534          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1StTimespec\2/g' \
 535          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 536          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 537          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 538        >> ${OUT}
 539
 540 # The directory searching types.
 541 # Prefer largefile variant if available.
 542 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 543 if test "$dirent" != ""; then
 544   grep '^type _dirent64 ' gen-sysinfo.go
 545 else
 546   grep '^type _dirent ' gen-sysinfo.go
 547 fi | sed -e 's/type _dirent64/type Dirent/' \
 548          -e 's/type _dirent/type Dirent/' \
 549          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 550          -e 's/d_name/Name/' \
 551          -e 's/]int8/]byte/' \
 552          -e 's/d_fileno/Fileno/' \
 553          -e 's/d_ino/Ino/' \
 554          -e 's/d_namlen/Namlen/' \
 555          -e 's/d_off/Off/' \
 556          -e 's/d_reclen/Reclen/' \
 557          -e 's/d_type/Type/' \
 558       >> ${OUT}
 559 echo "type DIR _DIR" >> ${OUT}
 560
 561 # Values for d_type field in dirent.
 562 grep '^const _DT_' gen-sysinfo.go |
 563   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 564
 565 # The rusage struct.
 566 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 567 if test "$rusage" != ""; then
 568   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 569   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 570   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 571   rusage=`echo $rusage | sed -e 's/^ *//'`
 572   nrusage=
 573   while test -n "$rusage"; do
 574     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 575     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 576     # Drop the leading ru_, capitalize the next character.
 577     field=`echo $field | sed -e 's/^ru_//'`
 578     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 579     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 580     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 581     # Fix _timeval _timespec, and _timestruc_t.
 582     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 583     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 584     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 585     field="$f$r"
 586     nrusage="$nrusage $field;"
 587   done
 588   echo "type Rusage struct {$nrusage }" >> ${OUT}
 589 else
 590   echo "type Rusage struct {}" >> ${OUT}
 591 fi
 592
 593 # The RUSAGE constants.
 594 grep '^const _RUSAGE_' gen-sysinfo.go | \
 595   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 596
 597 # The utsname struct.
 598 grep '^type _utsname ' gen-sysinfo.go | \
 599     sed -e 's/_utsname/Utsname/' \
 600       -e 's/sysname/Sysname/' \
 601       -e 's/nodename/Nodename/' \
 602       -e 's/release/Release/' \
 603       -e 's/version/Version/' \
 604       -e 's/machine/Machine/' \
 605       -e 's/domainname/Domainname/' \
 606     >> ${OUT}
 607
 608 # The iovec struct.
 609 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 610 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 611 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 612 echo $iovec | \
 613     sed -e 's/_iovec/Iovec/' \
 614       -e 's/iov_base/Base/' \
 615       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 616     >> ${OUT}
 617
 618 # The msghdr struct.
 619 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 620 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 621 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 622 echo $msghdr | \
 623     sed -e 's/_msghdr/Msghdr/' \
 624       -e 's/msg_name/Name/' \
 625       -e 's/msg_namelen/Namelen/' \
 626       -e 's/msg_iov/Iov/' \
 627       -e 's/msg_iovlen/Iovlen/' \
 628       -e 's/_iovec/Iovec/' \
 629       -e 's/msg_control/Control/' \
 630       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 631       -e 's/msg_flags/Flags/' \
 632     >> ${OUT}
 633
 634 # The MSG_ flags for Msghdr.
 635 grep '^const _MSG_' gen-sysinfo.go | \
 636   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 637
 638 # The cmsghdr struct.
 639 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 640 if test -n "$cmsghdr"; then
 641   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 642   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 643   echo "$cmsghdr" | \
 644       sed -e 's/_cmsghdr/Cmsghdr/' \
 645         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 646         -e 's/cmsg_level/Level/' \
 647         -e 's/cmsg_type/Type/' \
 648         -e 's/\[\]/[0]/' \
 649       >> ${OUT}
 650 fi
 651
 652 # The SCM_ flags for Cmsghdr.
 653 grep '^const _SCM_' gen-sysinfo.go | \
 654   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 655
 656 # The ucred struct.
 657 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 658
 659 # The ip_mreq struct.
 660 grep '^type _ip_mreq ' gen-sysinfo.go | \
 661     sed -e 's/_ip_mreq/IPMreq/' \
 662       -e 's/imr_multiaddr/Multiaddr/' \
 663       -e 's/imr_interface/Interface/' \
 664       -e 's/_in_addr/[4]byte/g' \
 665     >> ${OUT}
 666
 667 # We need IPMreq to compile the net package.
 668 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 669   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 670 fi
 671
 672 # The ipv6_mreq struct.
 673 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 674     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 675       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 676       -e 's/ipv6mr_interface/Interface/' \
 677       -e 's/_in6_addr/[16]byte/' \
 678     >> ${OUT}
 679
 680 # We need IPv6Mreq to compile the net package.
 681 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 682   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 683 fi
 684
 685 # The ip_mreqn struct.
 686 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 687     sed -e 's/_ip_mreqn/IPMreqn/' \
 688       -e 's/imr_multiaddr/Multiaddr/' \
 689       -e 's/imr_address/Address/' \
 690       -e 's/imr_ifindex/Ifindex/' \
 691       -e 's/_in_addr/[4]byte/g' \
 692     >> ${OUT}
 693
 694 # We need IPMreq to compile the net package.
 695 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 696   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 697 fi
 698
 699 # The icmp6_filter struct.
 700 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 701     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 702       -e 's/data/Data/' \
 703       -e 's/filt/Filt/' \
 704     >> ${OUT}
 705
 706 # We need ICMPv6Filter to compile the syscall package.
 707 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 708   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 709 fi
 710
 711 # The ip6_mtuinfo struct.
 712 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 713     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 714       -e 's/ip6m_addr/Addr/' \
 715       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 716       -e 's/ip6m_mtu/Mtu/' \
 717     >> ${OUT}
 718
 719 # We need IPv6MTUInfo to compile the syscall package.
 720 if ! grep 'type IPv6MTUInfo ' ${OUT} >/dev/null 2>&1; then
 721   echo 'type IPv6MTUInfo struct { Addr RawSockaddrInet6; Mtu uint32; }' >> ${OUT}
 722 fi
 723 if ! grep 'const _sizeof_ip6_mtuinfo = ' ${OUT} >/dev/null 2>&1; then
 724   echo 'const SizeofIPv6MTUInfo = 32' >> ${OUT}
 725 fi
 726
 727 # Try to guess the type to use for fd_set.
 728 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 729 fds_bits_type="_C_long"
 730 if test "$fd_set" != ""; then
 731     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 732 fi
 733 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 734
 735 # The addrinfo struct.
 736 grep '^type _addrinfo ' gen-sysinfo.go | \
 737     sed -e 's/_addrinfo/Addrinfo/g' \
 738       -e 's/ ai_/ Ai_/g' \
 739     >> ${OUT}
 740
 741 # The addrinfo and nameinfo flags and errors.
 742 grep '^const _AI_' gen-sysinfo.go | \
 743   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 744 grep '^const _EAI_' gen-sysinfo.go | \
 745   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 746 grep '^const _NI_' gen-sysinfo.go | \
 747   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 748
 749 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 750 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 751   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 752 fi
 753
 754 # The passwd struct.
 755 grep '^type _passwd ' gen-sysinfo.go | \
 756     sed -e 's/_passwd/Passwd/' \
 757       -e 's/ pw_/ Pw_/g' \
 758     >> ${OUT}
 759
 760 # The group struct.
 761 grep '^type _group ' gen-sysinfo.go | \
 762     sed -e 's/_group/Group/' \
 763       -e 's/ gr_/ Gr_/g' \
 764     >> ${OUT}
 765
 766 # The ioctl flags for the controlling TTY.
 767 grep '^const _TIOC' gen-sysinfo.go | \
 768     grep -v '_val =' | \
 769     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 770 grep '^const _TUNSET' gen-sysinfo.go | \
 771     grep -v '_val =' | \
 772     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 773 # We need TIOCGWINSZ.
 774 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 775   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 776     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 777   fi
 778 fi
 779 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 780   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 781     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 782   fi
 783 fi
 784 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 785   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 786     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 787   fi
 788 fi
 789 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 790   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 791     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 792   fi
 793 fi
 794 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 795   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 796     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 797   fi
 798 fi
 799 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 800   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 801     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 802   fi
 803 fi
 804 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 805   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 806     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 807   fi
 808 fi
 809 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 810   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 811     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 812   fi
 813 fi
 814 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 815   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 816     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 817   fi
 818 fi
 819 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 820   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 821     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 822   fi
 823 fi
 824
 825 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 826   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 827     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 828   fi
 829 fi
 830
 831 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 832   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 833     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 834   fi
 835 fi
 836
 837 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 838   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 839     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 840   fi
 841 fi
 842
 843 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 844   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 845     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 846   fi
 847 fi
 848
 849 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 850   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 851     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 852   fi
 853 fi
 854
 855 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 856   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 857     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 858   fi
 859 fi
 860
 861 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 862   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 863     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 864   fi
 865 fi
 866
 867 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 868   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 869     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 870   fi
 871 fi
 872
 873 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 874   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 875     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 876   fi
 877 fi
 878
 879 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 880   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 881     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 882   fi
 883 fi
 884
 885 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 886   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 887     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 888   fi
 889 fi
 890
 891 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 892   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 893     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 894   fi
 895 fi
 896
 897 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 898   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 899     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 900   fi
 901 fi
 902
 903 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 904   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 905     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 906   fi
 907 fi
 908
 909 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 910   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 911     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 912   fi
 913 fi
 914
 915 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 916   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 917     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 918   fi
 919 fi
 920
 921 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 922   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 923     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 924   fi
 925 fi
 926
 927 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 928   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 929     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 930   fi
 931 fi
 932
 933
 934 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 935   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 936     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 937   fi
 938 fi
 939
 940 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 941   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 942     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 943   fi
 944 fi
 945
 946 # The ioctl flags for terminal control
 947 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 948     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 949 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 950   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 951     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 952   fi
 953 fi
 954 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 955   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 956     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 957   fi
 958 fi
 959
 960 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 961 # needs handling in syscalls.exec.go.
 962 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 963   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 964     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 965   fi
 966 fi
 967
 968 # If nothing else defined TIOCSCTTY, make sure it has a value.
 969 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 970   echo "const TIOCSCTTY = 0" >> ${OUT}
 971 fi
 972
 973 # The nlmsghdr struct.
 974 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 975     sed -e 's/_nlmsghdr/NlMsghdr/' \
 976       -e 's/nlmsg_len/Len/' \
 977       -e 's/nlmsg_type/Type/' \
 978       -e 's/nlmsg_flags/Flags/' \
 979       -e 's/nlmsg_seq/Seq/' \
 980       -e 's/nlmsg_pid/Pid/' \
 981     >> ${OUT}
 982
 983 # The nlmsg flags and operators.
 984 grep '^const _NLM' gen-sysinfo.go | \
 985     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 986
 987 # NLMSG_HDRLEN is defined as an expression using sizeof.
 988 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 989   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 990     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 991   fi
 992 fi
 993
 994 # The rtmsg struct.
 995 grep '^type _rtmsg ' gen-sysinfo.go | \
 996     sed -e 's/_rtmsg/RtMsg/' \
 997       -e 's/rtm_family/Family/' \
 998       -e 's/rtm_dst_len/Dst_len/' \
 999       -e 's/rtm_src_len/Src_len/' \
1000       -e 's/rtm_tos/Tos/' \
1001       -e 's/rtm_table/Table/' \
1002       -e 's/rtm_protocol/Protocol/' \
1003       -e 's/rtm_scope/Scope/' \
1004       -e 's/rtm_type/Type/' \
1005       -e 's/rtm_flags/Flags/' \
1006     >> ${OUT}
1007
1008 # The rtgenmsg struct.
1009 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1010     sed -e 's/_rtgenmsg/RtGenmsg/' \
1011       -e 's/rtgen_family/Family/' \
1012     >> ${OUT}
1013
1014 # The rt_msghdr struct.
1015 grep '^type _rt_msghdr ' gen-sysinfo.go | \
1016     sed -e 's/_rt_msghdr/RtMsghdr/g' \
1017         -e 's/rtm_msglen/Msglen/' \
1018         -e 's/rtm_version/Version/' \
1019         -e 's/rtm_type/Type/' \
1020         -e 's/rtm_index/Index/' \
1021         -e 's/rtm_flags/Flags/' \
1022         -e 's/rtm_addrs/Addrs/' \
1023         -e 's/rtm_pid/Pid/' \
1024         -e 's/rtm_seq/Seq/' \
1025         -e 's/rtm_errno/Errno/' \
1026         -e 's/rtm_use/Use/' \
1027         -e 's/rtm_inits/Inits/' \
1028         -e 's/rtm_rmx/Rmx/' \
1029         -e 's/_rt_metrics/RtMetrics/' \
1030       >> ${OUT}
1031
1032 # The rt_metrics struct.
1033 grep '^type _rt_metrics ' gen-sysinfo.go | \
1034     sed -e 's/_rt_metrics/RtMetrics/g' \
1035         -e 's/rmx_locks/Locks/' \
1036         -e 's/rmx_mtu/Mtu/' \
1037         -e 's/rmx_hopcount/Hopcount/' \
1038         -e 's/rmx_recvpipe/Recvpipe/' \
1039         -e 's/rmx_sendpipe/Sendpipe/' \
1040         -e 's/rmx_ssthresh/Ssthresh/' \
1041         -e 's/rmx_rtt/Rtt/' \
1042         -e 's/rmx_rttvar/Rttvar/' \
1043         -e 's/rmx_expire/Expire/' \
1044         -e 's/rmx_pksent/Pksent/' \
1045       >> ${OUT}
1046
1047 # The routing message flags.
1048 grep '^const _RT_' gen-sysinfo.go | \
1049     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1050 grep '^const _RTA' gen-sysinfo.go | \
1051     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1052 grep '^const _RTF' gen-sysinfo.go | \
1053     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1054 grep '^const _RTCF' gen-sysinfo.go | \
1055     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1056 grep '^const _RTM' gen-sysinfo.go | \
1057     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1058 grep '^const _RTN' gen-sysinfo.go | \
1059     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1060 grep '^const _RTPROT' gen-sysinfo.go | \
1061     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1062
1063 # The ifinfomsg struct.
1064 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1065     sed -e 's/_ifinfomsg/IfInfomsg/' \
1066       -e 's/ifi_family/Family/' \
1067       -e 's/ifi_type/Type/' \
1068       -e 's/ifi_index/Index/' \
1069       -e 's/ifi_flags/Flags/' \
1070       -e 's/ifi_change/Change/' \
1071     >> ${OUT}
1072
1073 # The if_msghdr struct. Upstream uses inconsistent capitalization for this type
1074 # on AIX, so we do too.
1075 ifmsghdr_name=IfMsghdr
1076 if test "${GOOS}" = "aix"; then
1077     ifmsghdr_name=IfMsgHdr
1078 fi
1079 grep '^type _if_msghdr ' gen-sysinfo.go | \
1080     sed -e "s/_if_msghdr/${ifmsghdr_name}/" \
1081                 -e 's/ifm_msglen/Msglen/' \
1082                 -e 's/ifm_version/Version/' \
1083                 -e 's/ifm_type/Type/' \
1084                 -e 's/ifm_addrs/Addrs/' \
1085                 -e 's/ifm_flags/Flags/' \
1086                 -e 's/ifm_index/Index/' \
1087                 -e 's/ifm_addrlen/Addrlen/' \
1088                 >> ${OUT}
1089
1090 # The if_announcemsghdr struct.
1091 grep '^type _if_announcemsghdr ' gen-sysinfo.go | \
1092     sed -e 's/_if_announcemsghdr/IfAnnounceMsghdr/g' \
1093         -e 's/ifan_msglen/Msglen/' \
1094         -e 's/ifan_version/Version/' \
1095         -e 's/ifan_type/Type/' \
1096         -e 's/ifan_index/Index/' \
1097         -e 's/ifan_name/Name/' \
1098         -e 's/ifan_what/What/' \
1099       >> ${OUT}
1100
1101 # The interface information types and flags.
1102 grep '^const _IFA' gen-sysinfo.go | \
1103     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1104 grep '^const _IFLA' gen-sysinfo.go | \
1105     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1106 grep '^const _IFF' gen-sysinfo.go | \
1107     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1108 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1109     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1110 grep '^const _SIOC' gen-sysinfo.go | \
1111     grep -v '_val =' | \
1112     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1113
1114 if ! grep '^const SIOCGIFMTU' ${OUT} >/dev/null 2>&1; then
1115         if grep '^const _SIOCGIFMTU_val' ${OUT} >/dev/null 2>&1; then
1116                 echo 'const SIOCGIFMTU = _SIOCGIFMTU_val' >> ${OUT}
1117         fi
1118 fi
1119
1120 # The ifaddrmsg struct.
1121 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1122     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1123       -e 's/ifa_family/Family/' \
1124       -e 's/ifa_prefixlen/Prefixlen/' \
1125       -e 's/ifa_flags/Flags/' \
1126       -e 's/ifa_scope/Scope/' \
1127       -e 's/ifa_index/Index/' \
1128     >> ${OUT}
1129
1130 # The ifa_msghdr struct.
1131 grep '^type _ifa_msghdr ' gen-sysinfo.go | \
1132     sed -e 's/_ifa_msghdr/IfaMsghdr/g' \
1133         -e 's/ifam_msglen/Msglen/' \
1134         -e 's/ifam_version/Version/' \
1135         -e 's/ifam_type/Type/' \
1136         -e 's/ifam_addrs/Addrs/' \
1137         -e 's/ifam_flags/Flags/' \
1138         -e 's/ifam_metric/Metric/' \
1139         -e 's/ifam_index/Index/' \
1140       >> ${OUT}
1141
1142 # The rtattr struct.
1143 grep '^type _rtattr ' gen-sysinfo.go | \
1144     sed -e 's/_rtattr/RtAttr/' \
1145       -e 's/rta_len/Len/' \
1146       -e 's/rta_type/Type/' \
1147     >> ${OUT}
1148
1149 # The bpf_version struct.
1150 grep '^type _bpf_version ' gen-sysinfo.go | \
1151     sed -e 's/_bpf_version/BpfVersion/g' \
1152         -e 's/bv_major/Major/' \
1153         -e 's/bv_minor/Minor/' \
1154       >> ${OUT}
1155
1156 # The bpf_stat struct.
1157 grep '^type _bpf_stat ' gen-sysinfo.go | \
1158     sed -e 's/_bpf_stat/BpfStat/g' \
1159         -e 's/bs_recv/Recv/' \
1160         -e 's/bs_drop/Drop/' \
1161         -e 's/bs_capt/Capt/' \
1162         -e 's/bs_padding/Padding/' \
1163       >> ${OUT}
1164
1165 # The bpf_insn struct.
1166 grep '^type _bpf_insn ' gen-sysinfo.go | \
1167     sed -e 's/_bpf_insn/BpfInsn/g' \
1168         -e 's/code/Code/' \
1169         -e 's/jt/Jt/' \
1170         -e 's/jf/Jf/' \
1171         -e 's/k/K/' \
1172       >> ${OUT}
1173
1174 # The bpf_program struct.
1175 grep '^type _bpf_program ' gen-sysinfo.go | \
1176     sed -e 's/_bpf_program/BpfProgram/g' \
1177         -e 's/bf_len/Len/' \
1178         -e 's/bf_insns/Insns/' \
1179         -e 's/_bpf_insn/BpfInsn/' \
1180       >> ${OUT}
1181
1182 # The BPF ioctl constants.
1183 grep '^const _BIOC' gen-sysinfo.go | \
1184     grep -v '_val =' | \
1185     sed -e 's/^\(const \)_\(BIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1186 for c in BIOCFLUSH BIOCGBLEN BIOCGDLT BIOCGETIF BIOCGHDRCMPLT BIOCGRTIMEOUT \
1187          BIOCGSTATS BIOCIMMEDIATE BIOCPROMISC BIOCSBLEN BIOCSDLT BIOCSETF \
1188          BIOCSETIF BIOCSHDRCMPLT BIOCSRTIMEOUT BIOCVERSION
1189 do
1190   if ! grep "^const ${c}" ${OUT} >/dev/null 2>&1; then
1191     if grep "^const _${c}_val" ${OUT} >/dev/null 2>&1; then
1192       echo "const ${c} = _${c}_val" >> ${OUT}
1193     fi
1194   fi
1195 done
1196
1197 # The in_pktinfo struct.
1198 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1199     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1200       -e 's/ipi_ifindex/Ifindex/' \
1201       -e 's/ipi_spec_dst/Spec_dst/' \
1202       -e 's/ipi_addr/Addr/' \
1203       -e 's/_in_addr/[4]byte/g' \
1204     >> ${OUT}
1205
1206 # The in6_pktinfo struct.
1207 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1208     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1209       -e 's/ipi6_addr/Addr/' \
1210       -e 's/ipi6_ifindex/Ifindex/' \
1211       -e 's/_in6_addr/[16]byte/' \
1212     >> ${OUT}
1213
1214 # The termios struct.
1215 grep '^type _termios ' gen-sysinfo.go | \
1216     sed -e 's/_termios/Termios/' \
1217       -e 's/c_iflag/Iflag/' \
1218       -e 's/c_oflag/Oflag/' \
1219       -e 's/c_cflag/Cflag/' \
1220       -e 's/c_lflag/Lflag/' \
1221       -e 's/c_line/Line/' \
1222       -e 's/c_cc/Cc/' \
1223       -e 's/c_ispeed/Ispeed/' \
1224       -e 's/c_ospeed/Ospeed/' \
1225     >> ${OUT}
1226
1227 # The termios constants.
1228 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1229     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1230     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1231     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1232     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1233     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1234     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1235     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1236     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1237     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1238     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1239     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1240
1241     grep "^const _$n " gen-sysinfo.go | \
1242         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1243 done
1244
1245 # The mount flags
1246 grep '^const _MNT_' gen-sysinfo.go |
1247     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1248 grep '^const _MS_' gen-sysinfo.go |
1249     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1250
1251 # The fallocate flags.
1252 grep '^const _FALLOC_' gen-sysinfo.go |
1253     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1254
1255 # The statfs struct.
1256 # Prefer largefile variant if available.
1257 # CentOS 5 does not have f_flags, so pull from f_spare.
1258 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1259 if test "$statfs" = ""; then
1260   statfs=`grep '^type _statfs ' gen-sysinfo.go || true`
1261 fi
1262 if ! echo "$statfs" | grep f_flags >/dev/null 2>&1; then
1263   statfs=`echo "$statfs" | sed -e 's/f_spare \[4+1\]\([^ ;]*\)/f_flags \1; f_spare [3+1]\1/'`
1264 fi
1265 echo "$statfs" | sed -e 's/type _statfs64/type Statfs_t/' \
1266          -e 's/type _statfs/type Statfs_t/' \
1267          -e 's/f_type/Type/' \
1268          -e 's/f_bsize/Bsize/' \
1269          -e 's/f_blocks/Blocks/' \
1270          -e 's/f_bfree/Bfree/' \
1271          -e 's/f_bavail/Bavail/' \
1272          -e 's/f_files/Files/' \
1273          -e 's/f_ffree/Ffree/' \
1274          -e 's/f_fsid/Fsid/' \
1275          -e 's/f_namelen/Namelen/' \
1276          -e 's/f_frsize/Frsize/' \
1277          -e 's/f_flags/Flags/' \
1278          -e 's/f_spare/Spare/' \
1279     >> ${OUT}
1280
1281 # The timex struct.
1282 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1283 if test "$timex" = ""; then
1284   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1285   if test "$timex" != ""; then
1286     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1287   fi
1288 fi
1289 if test "$timex" != ""; then
1290   echo "$timex" | \
1291     sed -e 's/_timex/Timex/' \
1292       -e 's/modes/Modes/' \
1293       -e 's/offset/Offset/' \
1294       -e 's/freq/Freq/' \
1295       -e 's/maxerror/Maxerror/' \
1296       -e 's/esterror/Esterror/' \
1297       -e 's/status/Status/' \
1298       -e 's/constant/Constant/' \
1299       -e 's/precision/Precision/' \
1300       -e 's/tolerance/Tolerance/' \
1301       -e 's/ time / Time /' \
1302       -e 's/tick/Tick/' \
1303       -e 's/ppsfreq/Ppsfreq/' \
1304       -e 's/jitter/Jitter/' \
1305       -e 's/shift/Shift/' \
1306       -e 's/stabil/Stabil/' \
1307       -e 's/jitcnt/Jitcnt/' \
1308       -e 's/calcnt/Calcnt/' \
1309       -e 's/errcnt/Errcnt/' \
1310       -e 's/stbcnt/Stbcnt/' \
1311       -e 's/tai/Tai/' \
1312       -e 's/_timeval/Timeval/' \
1313     >> ${OUT}
1314 fi
1315
1316 # The rlimit struct.
1317 # On systems that use syscall/libcall_posix_largefile.go, use rlimit64
1318 # if it exists.
1319 rlimit="_rlimit"
1320 if test "${GOOS}" = "aix" || test "${GOOS}" = "linux" || (test "${GOOS}" = "solaris" && (test "${GOARCH}" = "386" || test "${GOARCH}" = "sparc")); then
1321   if grep '^type _rlimit64 ' gen-sysinfo.go > /dev/null 2>&1; then
1322     rlimit="_rlimit64"
1323   fi
1324 fi
1325 grep "^type ${rlimit} " gen-sysinfo.go | \
1326     sed -e "s/${rlimit}/Rlimit/" \
1327       -e 's/rlim_cur/Cur/' \
1328       -e 's/rlim_max/Max/' \
1329     >> ${OUT}
1330
1331 # The RLIMIT constants.
1332 grep '^const _RLIMIT_' gen-sysinfo.go |
1333     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1334 grep '^const _RLIM_' gen-sysinfo.go |
1335     grep -v '^const _RLIM_INFINITY ' |
1336     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1337 rliminf=""
1338 if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1339   rliminf=`grep '^const _RLIM64_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1340 else
1341   rliminf=`grep '^const _RLIM_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1342 fi
1343 # For compatibility with the gc syscall package, treat 0xffffffffffffffff as -1.
1344 if test "$rliminf" = "0xffffffffffffffff"; then
1345   echo "const RLIM_INFINITY = -1" >> ${OUT}
1346 elif test -n "$rliminf"; then
1347   echo "const RLIM_INFINITY = $rliminf" >> ${OUT}
1348 fi
1349
1350 # The sysinfo struct.
1351 grep '^type _sysinfo ' gen-sysinfo.go | \
1352     sed -e 's/_sysinfo/Sysinfo_t/' \
1353       -e 's/uptime/Uptime/' \
1354       -e 's/loads/Loads/' \
1355       -e 's/totalram/Totalram/' \
1356       -e 's/freeram/Freeram/' \
1357       -e 's/sharedram/Sharedram/' \
1358       -e 's/bufferram/Bufferram/' \
1359       -e 's/totalswap/Totalswap/' \
1360       -e 's/freeswap/Freeswap/' \
1361       -e 's/procs/Procs/' \
1362       -e 's/totalhigh/Totalhigh/' \
1363       -e 's/freehigh/Freehigh/' \
1364       -e 's/mem_unit/Unit/' \
1365     >> ${OUT}
1366
1367 # The utimbuf struct.
1368 grep '^type _utimbuf ' gen-sysinfo.go | \
1369     sed -e 's/_utimbuf/Utimbuf/' \
1370       -e 's/actime/Actime/' \
1371       -e 's/modtime/Modtime/' \
1372     >> ${OUT}
1373
1374 # The LOCK flags for flock.
1375 grep '^const _LOCK_' gen-sysinfo.go |
1376     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1377
1378 # The PRIO constants.
1379 grep '^const _PRIO_' gen-sysinfo.go | \
1380   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1381
1382 # The GNU/Linux LINUX_REBOOT flags.
1383 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1384     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1385
1386 # The GNU/Linux sock_filter struct.
1387 grep '^type _sock_filter ' gen-sysinfo.go | \
1388     sed -e 's/_sock_filter/SockFilter/' \
1389       -e 's/code/Code/' \
1390       -e 's/jt/Jt/' \
1391       -e 's/jf/Jf/' \
1392       -e 's/k /K /' \
1393     >> ${OUT}
1394
1395 # The GNU/Linux sock_fprog struct.
1396 grep '^type _sock_fprog ' gen-sysinfo.go | \
1397     sed -e 's/_sock_fprog/SockFprog/' \
1398       -e 's/len/Len/' \
1399       -e 's/filter/Filter/' \
1400       -e 's/_sock_filter/SockFilter/' \
1401     >> ${OUT}
1402
1403 # The GNU/Linux filter flags.
1404 grep '^const _BPF_' gen-sysinfo.go | \
1405   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1406
1407 # The GNU/Linux nlattr struct.
1408 grep '^type _nlattr ' gen-sysinfo.go | \
1409     sed -e 's/_nlattr/NlAttr/' \
1410       -e 's/nla_len/Len/' \
1411       -e 's/nla_type/Type/' \
1412     >> ${OUT}
1413
1414 # The GNU/Linux nlmsgerr struct.
1415 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1416     sed -e 's/_nlmsgerr/NlMsgerr/' \
1417       -e 's/error/Error/' \
1418       -e 's/msg/Msg/' \
1419       -e 's/_nlmsghdr/NlMsghdr/' \
1420     >> ${OUT}
1421
1422 # The GNU/Linux rtnexthop struct.
1423 grep '^type _rtnexthop ' gen-sysinfo.go | \
1424     sed -e 's/_rtnexthop/RtNexthop/' \
1425       -e 's/rtnh_len/Len/' \
1426       -e 's/rtnh_flags/Flags/' \
1427       -e 's/rtnh_hops/Hops/' \
1428       -e 's/rtnh_ifindex/Ifindex/' \
1429     >> ${OUT}
1430
1431 # The GNU/Linux netlink flags.
1432 grep '^const _NETLINK_' gen-sysinfo.go | \
1433   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1434 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1435   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1436
1437 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1438   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1439     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1440   fi
1441 fi
1442
1443 # The GNU/Linux packet socket flags.
1444 grep '^const _PACKET_' gen-sysinfo.go | \
1445   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1446
1447 # The GNU/Linux inotify_event struct.
1448 grep '^type _inotify_event ' gen-sysinfo.go | \
1449     sed -e 's/_inotify_event/InotifyEvent/' \
1450       -e 's/wd/Wd/' \
1451       -e 's/mask/Mask/' \
1452       -e 's/cookie/Cookie/' \
1453       -e 's/len/Len/' \
1454       -e 's/name/Name/' \
1455       -e 's/\[\]/[0]/' \
1456       -e 's/\[0\]byte/[0]int8/' \
1457     >> ${OUT}
1458
1459 # The GNU/Linux CLONE flags.
1460 grep '^const _CLONE_' gen-sysinfo.go | \
1461   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1462 # We need some CLONE constants that are not defined in older versions
1463 # of glibc.
1464 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1465   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1466 fi
1467 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1468   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1469 fi
1470
1471 # Struct sizes.
1472 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1473     ifaddrmsg IfAddrmsg ifa_msghdr IfaMsghdr ifinfomsg IfInfomsg \
1474     if_msghdr IfMsghdr in_pktinfo Inet4Pktinfo in6_pktinfo Inet6Pktinfo \
1475     inotify_event InotifyEvent linger Linger msghdr Msghdr nlattr NlAttr \
1476     nlmsgerr NlMsgerr nlmsghdr NlMsghdr rtattr RtAttr rt_msghdr RtMsghdr \
1477     rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1478     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1479     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1480 while test $# != 0; do
1481     nc=$1
1482     ngo=$2
1483     shift
1484     shift
1485     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1486         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1487     fi
1488 done
1489
1490 # In order to compile the net package, we need some sizes to exist
1491 # even if the types do not.
1492 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1493     echo 'const SizeofIPMreq = 8' >> ${OUT}
1494 fi
1495 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1496     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1497 fi
1498 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1499     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1500 fi
1501 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1502     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1503 fi
1504
1505 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1506 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1507     sed -e 's/_in6_addr/[16]byte/' \
1508     >> ${OUT}
1509
1510 # The Solaris 11.4 _flow_arp_desc_t struct.
1511 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1512     sed -e 's/_in6_addr_t/[16]byte/g' \
1513     >> ${OUT}
1514
1515 # The Solaris 11.4 _flow_l3_desc_t struct.
1516 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1517     sed -e 's/_in6_addr_t/[16]byte/g' \
1518     >> ${OUT}
1519
1520 # The Solaris 11.3 _mac_ipaddr_t struct.
1521 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1522     sed -e 's/_in6_addr_t/[16]byte/g' \
1523     >> ${OUT}
1524
1525 # The Solaris 11.3 _mactun_info_t struct.
1526 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1527     sed -e 's/_in6_addr_t/[16]byte/g' \
1528     >> ${OUT}
1529
1530 # Type 'uint128' is needed in a couple of type definitions on arm64,such
1531 # as _user_fpsimd_struct, _elf_fpregset_t, etc.
1532 if ! grep '^type uint128' ${OUT} > /dev/null 2>&1; then
1533     echo "type uint128 [16]byte" >> ${OUT}
1534 fi
1535
1536 exit $?