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 '^type _in6_addr' | \
  40   grep -v 'sockaddr_in6' | \
  41   egrep -v '^const _*FLT(64|128)_(NORM_)?MAX' | \
  42   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
  43       -e 's/\([^a-zA-Z0-9_]\)_timeval$/\1Timeval/g' \
  44       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
  45       -e 's/\([^a-zA-Z0-9_]\)_timespec_t$/\1Timespec/g' \
  46       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
  47       -e 's/\([^a-zA-Z0-9_]\)_timespec$/\1Timespec/g' \
  48       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
  49       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t$/\1Timestruc/g' \
  50       -e 's/\([^a-zA-Z0-9_]\)_in6_addr\([^a-zA-Z0-9_]\)/\1[16]byte\2/g' \
  51       -e 's/\([^a-zA-Z0-9_]\)_in6_addr$/\1[16]byte/g' \
  52       -e 's/\([^a-zA-Z0-9_]\)_in6_addr_t\([^a-zA-Z0-9_]\)/\1[16]byte\2/g' \
  53       -e 's/\([^a-zA-Z0-9_]\)_in6_addr_t$/\1[16]byte/g' \
  54     >> ${OUT}
  55
  56 # The errno constants.  These get type Errno.
  57 egrep '#define E[A-Z0-9_]+ [0-9E]' errno.i | \
  58   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
  59
  60 # Workaround for GNU/Hurd _EMIG_* errors having negative values
  61 egrep '#define E[A-Z0-9_]+ -[0-9]' errno.i | \
  62   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(-_\1)/' >> ${OUT}
  63
  64 # The O_xxx flags.
  65 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
  66   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
  67 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
  68   echo "const O_ASYNC = 0" >> ${OUT}
  69 fi
  70 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  71   echo "const O_CLOEXEC = 0" >> ${OUT}
  72 fi
  73
  74 # The os package requires F_DUPFD_CLOEXEC to be defined.
  75 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
  76   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
  77 fi
  78
  79 # The internal/poll package requires F_GETPIPE_SZ to be defined.
  80 if ! grep '^const F_GETPIPE_SZ' ${OUT} >/dev/null 2>&1; then
  81   echo "const F_GETPIPE_SZ = 0" >> ${OUT}
  82 fi
  83
  84 # AIX 7.1 is a 64 bits value for _FCLOEXEC (referenced by O_CLOEXEC)
  85 # which leads to a constant overflow when using O_CLOEXEC in some
  86 # go code. Issue wan not present in 6.1 (no O_CLOEXEC) and is no
  87 # more present in 7.2 (_FCLOEXEC is a 32 bit value).
  88 if test "${GOOS}" = "aix" && `oslevel | grep -q "^7.1"`; then
  89     sed -e 's/const __FCLOEXEC = .*/const __FCLOEXEC = 0/' ${OUT} > ${OUT}-2
  90     mv ${OUT}-2 ${OUT}
  91 fi
  92
  93 # These flags can be lost on i386 GNU/Linux when using
  94 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
  95 # before we see the definition of F_SETLK64.
  96 for flag in F_GETLK F_SETLK F_SETLKW; do
  97   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
  98       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
  99     echo "const ${flag} = ${flag}64" >> ${OUT}
 100   fi
 101 done
 102
 103 # The Flock_t struct for fcntl.
 104 grep '^type _flock ' gen-sysinfo.go | \
 105     sed -e 's/type _flock/type Flock_t/' \
 106       -e 's/l_type/Type/' \
 107       -e 's/l_whence/Whence/' \
 108       -e 's/l_start/Start/' \
 109       -e 's/l_len/Len/' \
 110       -e 's/l_pid/Pid/' \
 111     >> ${OUT}
 112
 113 # The signal numbers.
 114 grep '^const _SIG[^_]' gen-sysinfo.go | \
 115   grep -v '^const _SIGEV_' | \
 116   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 117 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 118   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 119     echo "const SIGPOLL = SIGIO" >> ${OUT}
 120   fi
 121 fi
 122 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 123   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 124     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 125   fi
 126 fi
 127
 128 # The syscall numbers.  We force the names to upper case.
 129 grep '^const _SYS_' gen-sysinfo.go | \
 130   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 131   while read sys; do
 132     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 133     echo "const $sup = _$sys" >> ${OUT}
 134   done
 135
 136 # Special treatment of SYS_IOCTL for GNU/Hurd.
 137 if ! grep '^const SYS_IOCTL' ${OUT} > /dev/null 2>&1; then
 138   echo "const SYS_IOCTL = 0" >> ${OUT}
 139 fi
 140
 141 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 142 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 143   echo "const SYS_GETDENTS = 0" >> ${OUT}
 144 fi
 145 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 146   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 147 fi
 148
 149 # The syscall package wants the geteuid system call number.  It isn't
 150 # defined on Alpha, which only provides the getresuid system call.
 151 if ! grep '^const SYS_GETEUID ' ${OUT} >/dev/null 2>&1; then
 152   echo "const SYS_GETEUID = 0" >> ${OUT}
 153 fi
 154
 155 # Stat constants.
 156 grep '^const _S_' gen-sysinfo.go | \
 157   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 158
 159 # Mmap constants.
 160 grep '^const _PROT_' gen-sysinfo.go | \
 161   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 162 grep '^const _MAP_' gen-sysinfo.go | \
 163   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 164 grep '^const _MADV_' gen-sysinfo.go | \
 165   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 166 grep '^const _MCL_' gen-sysinfo.go | \
 167   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 168
 169 # Process status constants.
 170 grep '^const _W' gen-sysinfo.go |
 171   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 172 # WSTOPPED was introduced in glibc 2.3.4.
 173 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 174   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 175     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 176   else
 177     echo 'const WSTOPPED = 2' >> ${OUT}
 178   fi
 179 fi
 180 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 181    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 182   echo 'const WALL = ___WALL' >> ${OUT}
 183 fi
 184 # On GNU/Linux the os package requires WEXITED and WNOWAIT.
 185 if test "${GOOS}" = "linux"; then
 186   if ! grep '^const WEXITED = ' ${OUT} >/dev/null 2>&1; then
 187     echo 'const WEXITED = 4' >> ${OUT}
 188   fi
 189   if ! grep '^const WNOWAIT = ' ${OUT} >/dev/null 2>&1; then
 190     echo 'const WNOWAIT = 0x01000000' >> ${OUT}
 191   fi
 192 fi
 193
 194 # Networking constants.
 195 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 196   grep -v '_val =' |
 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 # On 32-bit GNU/Linux the expression for SO_RCVTIMEO is too complicated
 217 # for -fdump-go-spec.
 218 if ! grep '^const SO_RCVTIMEO ' ${OUT} >/dev/null 2>&1; then
 219   if grep '^const _SO_RCVTIMEO_val' ${OUT} >/dev/null 2>&1; then
 220     echo 'const SO_RCVTIMEO = _SO_RCVTIMEO_val' >> ${OUT}
 221   fi
 222 fi
 223
 224 # The syscall package requires AF_LOCAL.
 225 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 226   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 227     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 228   fi
 229 fi
 230
 231 # The syscall package requires _AT_FDCWD, but doesn't export it.
 232 if ! grep '^const _AT_FDCWD = ' ${OUT} >/dev/null 2>&1; then
 233   echo "const _AT_FDCWD = -100" >> ${OUT}
 234 fi
 235
 236 # sysctl constants.
 237 grep '^const _CTL' gen-sysinfo.go |
 238   sed -e 's/^\(const \)_\(CTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 239   grep '^const _SYSCTL' gen-sysinfo.go |
 240   sed -e 's/^\(const \)_\(SYSCTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 241   grep '^const _NET_RT' gen-sysinfo.go |
 242   sed -e 's/^\(const \)_\(NET_RT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 243
 244 # The sysctlnode struct.
 245 grep '^type _sysctlnode ' gen-sysinfo.go | \
 246     sed -e 's/_sysctlnode/Sysctlnode/' \
 247                 -e 's/sysctl_flags/Flags/' \
 248     -e 's/sysctl_name/Name/' \
 249     -e 's/sysctl_num/Num/' \
 250                 >> ${OUT}
 251
 252 # sysconf constants.
 253 grep '^const __SC' gen-sysinfo.go |
 254   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 255
 256 # pathconf constants.
 257 grep '^const __PC' gen-sysinfo.go |
 258   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 259
 260 # The PATH_MAX constant.
 261 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 262   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 263 fi
 264
 265 # epoll constants.
 266 grep '^const _EPOLL' gen-sysinfo.go |
 267   grep -v EPOLLET |
 268   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 269 # Make sure EPOLLET is positive.
 270 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 271   grep '^const _EPOLLET ' gen-sysinfo.go |
 272     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 273 else
 274   echo "const EPOLLET = 0x80000000" >> ${OUT}
 275 fi
 276 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 277 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 278   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 279 fi
 280 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 281   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 282 fi
 283
 284 # Prctl constants.
 285 grep '^const _PR_' gen-sysinfo.go |
 286   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 287
 288 # Ptrace constants.
 289 grep '^const _PTRACE' gen-sysinfo.go |
 290   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 291 # We need some ptrace options that are not defined in older versions
 292 # of glibc.
 293 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 294   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 295 fi
 296 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 297   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 298 fi
 299 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 300   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 301 fi
 302 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 303   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 304 fi
 305 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 306   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 307 fi
 308 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 309   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 310 fi
 311 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 312   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 313 fi
 314 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 315   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 316 fi
 317 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 318   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 319 fi
 320 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 321   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 322 fi
 323 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 324   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 325 fi
 326 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 327   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 328 fi
 329 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 330   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 331 fi
 332 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 333   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 334 fi
 335 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 336   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 337 fi
 338 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 339   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 340 fi
 341 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 342   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 343 fi
 344
 345 # A helper function that prints a structure from gen-sysinfo.go with the first
 346 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 347 # is not empty, the structure or type is renamed to $2.
 348 upcase_fields () {
 349   name="$1"
 350   def=`grep "^type $name " gen-sysinfo.go`
 351   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 352   prefix=`echo $def | sed -e 's/{.*//'`
 353   if test "$2" != ""; then
 354     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 355   fi
 356   if test "$fields" != ""; then
 357     nfields=
 358     while test -n "$fields"; do
 359       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 360       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 361       # capitalize the next character.
 362       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 363       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 364       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 365       field="$f$r"
 366       nfields="$nfields $field;"
 367     done
 368     echo "${prefix} {$nfields }"
 369   fi
 370 }
 371
 372 # The registers returned by PTRACE_GETREGS.  This is probably
 373 # GNU/Linux specific; it should do no harm if there is no
 374 # _user_regs_struct.
 375 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 376 if test "$regs" = ""; then
 377   # mips*
 378   regs=`grep '^type _pt_regs struct' gen-sysinfo.go || true`
 379 fi
 380 if test "$regs" != ""; then
 381   regs=`echo $regs | sed -e 's/type _pt_regs struct//'`
 382   regs=`echo $regs |
 383     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 384   regs=`echo $regs | sed -e s'/^ *//'`
 385   nregs=
 386   while test -n "$regs"; do
 387     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 388     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 389     # Capitalize the first character of the field.
 390     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 391     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 392     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 393     field="$f$r"
 394     field=`echo "$field" | sed \
 395       -e 's/__user_psw_struct/PtracePsw/' \
 396       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 397       -e 's/__user_per_struct/PtracePer/'`
 398     nregs="$nregs $field;"
 399   done
 400   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 401 fi
 402
 403 # Some basic types.
 404 echo 'type Size_t _size_t' >> ${OUT}
 405 echo "type Ssize_t _ssize_t" >> ${OUT}
 406 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 407   echo "type Offset_t _off64_t" >> ${OUT}
 408 else
 409   echo "type Offset_t _off_t" >> ${OUT}
 410 fi
 411 echo "type Mode_t _mode_t" >> ${OUT}
 412 echo "type Pid_t _pid_t" >> ${OUT}
 413 echo "type Uid_t _uid_t" >> ${OUT}
 414 echo "type Gid_t _gid_t" >> ${OUT}
 415 echo "type Socklen_t _socklen_t" >> ${OUT}
 416
 417 # The C int type.
 418 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 419 if test "$sizeof_int" = "4"; then
 420   echo "type _C_int int32" >> ${OUT}
 421   echo "type _C_uint uint32" >> ${OUT}
 422 elif test "$sizeof_int" = "8"; then
 423   echo "type _C_int int64" >> ${OUT}
 424   echo "type _C_uint uint64" >> ${OUT}
 425 else
 426   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 427   exit 1
 428 fi
 429
 430 # The C long type, needed because that is the type that ptrace returns.
 431 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 432 if test "$sizeof_long" = "4"; then
 433   echo "type _C_long int32" >> ${OUT}
 434   echo "type _C_ulong uint32" >> ${OUT}
 435 elif test "$sizeof_long" = "8"; then
 436   echo "type _C_long int64" >> ${OUT}
 437   echo "type _C_ulong uint64" >> ${OUT}
 438 else
 439   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 440   exit 1
 441 fi
 442
 443 # The time_t type.
 444 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 445   echo 'type Time_t _time_t' >> ${OUT}
 446 fi
 447
 448 # The time structures need special handling: we need to name the
 449 # types, so that we can cast integers to the right types when
 450 # assigning to the structures.
 451 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 452 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 453 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 454 echo "type Timeval_sec_t = $timeval_sec" >> ${OUT}
 455 echo "type Timeval_usec_t = $timeval_usec" >> ${OUT}
 456 echo $timeval | \
 457   sed -e 's/type _timeval /type Timeval /' \
 458       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 459       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 460 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 461 if test "$timespec" = ""; then
 462   # IRIX 6.5 has __timespec instead.
 463   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 464 fi
 465 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 466 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 467 echo "type Timespec_sec_t = $timespec_sec" >> ${OUT}
 468 echo "type Timespec_nsec_t = $timespec_nsec" >> ${OUT}
 469 echo $timespec | \
 470   sed -e 's/^type ___timespec /type Timespec /' \
 471       -e 's/^type _timespec /type Timespec /' \
 472       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 473       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 474
 475 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 476 if test "$timestruc" = "type _timestruc_t _timespec"; then
 477   echo "type Timestruc Timespec" >> ${OUT}
 478 elif test "$timestruc" != ""; then
 479   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 480   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 481   echo "type Timestruc_sec_t = $timestruc_sec" >> ${OUT}
 482   echo "type Timestruc_nsec_t = $timestruc_nsec" >> ${OUT}
 483   echo $timestruc | \
 484     sed -e 's/^type _timestruc_t /type Timestruc /' \
 485         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 486         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 487 fi
 488
 489 # The tms struct.
 490 grep '^type _tms ' gen-sysinfo.go | \
 491     sed -e 's/type _tms/type Tms/' \
 492       -e 's/tms_utime/Utime/' \
 493       -e 's/tms_stime/Stime/' \
 494       -e 's/tms_cutime/Cutime/' \
 495       -e 's/tms_cstime/Cstime/' \
 496     >> ${OUT}
 497
 498 # AIX uses st_timespec struct for stat.
 499 grep '^type _st_timespec ' gen-sysinfo.go | \
 500     sed -e 's/type _st_timespec /type StTimespec /' \
 501       -e 's/tv_sec/Sec/' \
 502       -e 's/tv_nsec/Nsec/' >> ${OUT}
 503
 504 # Special treatment of struct stat st_dev for GNU/Hurd
 505 # /usr/include/i386-gnu/bits/stat.h: #define st_dev st_fsid
 506 st_dev='-e s/st_dev/Dev/'
 507 if grep 'define st_dev st_fsid' gen-sysinfo.go > /dev/null 2>&1; then
 508   st_dev='-e s/st_fsid/Dev/'
 509 fi
 510
 511 # For historical reasons Go uses the suffix "timespec" instead of "tim" for
 512 # stat_t's time fields on NetBSD.
 513 st_times='-e s/st_atim/Atim/ -e s/st_mtim/Mtim/ -e s/st_ctim/Ctim/'
 514 if test "${GOOS}" = "netbsd"; then
 515     st_times='-e s/st_atim/Atimespec/ -e s/st_mtim/Mtimespec/ -e s/st_ctim/Ctimespec/'
 516 fi
 517
 518 # The stat type.
 519 # Prefer largefile variant if available.
 520 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 521 if test "$stat" != ""; then
 522   grep '^type _stat64 ' gen-sysinfo.go
 523 else
 524   grep '^type _stat ' gen-sysinfo.go
 525 fi | sed -e 's/type _stat64/type Stat_t/' \
 526          -e 's/type _stat/type Stat_t/' \
 527          ${st_dev} \
 528          ${st_times} \
 529          -e 's/st_ino/Ino/g' \
 530          -e 's/st_nlink/Nlink/' \
 531          -e 's/st_mode/Mode/' \
 532          -e 's/st_uid/Uid/' \
 533          -e 's/st_gid/Gid/' \
 534          -e 's/st_rdev/Rdev/' \
 535          -e 's/st_size/Size/' \
 536          -e 's/st_blksize/Blksize/' \
 537          -e 's/st_blocks/Blocks/' \
 538          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 539          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 540          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1StTimespec\2/g' \
 541          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 542          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 543          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 544        >> ${OUT}
 545
 546 # The directory searching types.
 547 # Prefer largefile variant if available.
 548 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 549 if test "$dirent" != ""; then
 550   grep '^type _dirent64 ' gen-sysinfo.go
 551 else
 552   grep '^type _dirent ' gen-sysinfo.go
 553 fi | sed -e 's/type _dirent64/type Dirent/' \
 554          -e 's/type _dirent/type Dirent/' \
 555          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 556          -e 's/d_name/Name/' \
 557          -e 's/]int8/]byte/' \
 558          -e 's/d_fileno/Fileno/' \
 559          -e 's/d_ino/Ino/' \
 560          -e 's/d_namlen/Namlen/' \
 561          -e 's/d_off/Off/' \
 562          -e 's/d_reclen/Reclen/' \
 563          -e 's/d_type/Type/' \
 564       >> ${OUT}
 565 echo "type DIR _DIR" >> ${OUT}
 566
 567 # Values for d_type field in dirent.
 568 grep '^const _DT_' gen-sysinfo.go |
 569   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 570
 571 # The rusage struct.
 572 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 573 if test "$rusage" != ""; then
 574   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 575   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 576   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 577   rusage=`echo $rusage | sed -e 's/^ *//'`
 578   nrusage=
 579   while test -n "$rusage"; do
 580     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 581     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 582     # Drop the leading ru_, capitalize the next character.
 583     field=`echo $field | sed -e 's/^ru_//'`
 584     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 585     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 586     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 587     # Fix _timeval _timespec, and _timestruc_t.
 588     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 589     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 590     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 591     field="$f$r"
 592     nrusage="$nrusage $field;"
 593   done
 594   echo "type Rusage struct {$nrusage }" >> ${OUT}
 595 else
 596   echo "type Rusage struct {}" >> ${OUT}
 597 fi
 598
 599 # The RUSAGE constants.
 600 grep '^const _RUSAGE_' gen-sysinfo.go | \
 601   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 602
 603 # The utsname struct.
 604 grep '^type _utsname ' gen-sysinfo.go | \
 605     sed -e 's/_utsname/Utsname/' \
 606       -e 's/sysname/Sysname/' \
 607       -e 's/nodename/Nodename/' \
 608       -e 's/release/Release/' \
 609       -e 's/version/Version/' \
 610       -e 's/machine/Machine/' \
 611       -e 's/domainname/Domainname/' \
 612     >> ${OUT}
 613
 614 # The iovec struct.
 615 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 616 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 617 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 618 echo $iovec | \
 619     sed -e 's/_iovec/Iovec/' \
 620       -e 's/iov_base/Base/' \
 621       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 622     >> ${OUT}
 623
 624 # The msghdr struct.
 625 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 626 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 627 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 628 echo $msghdr | \
 629     sed -e 's/_msghdr/Msghdr/' \
 630       -e 's/msg_name/Name/' \
 631       -e 's/msg_namelen/Namelen/' \
 632       -e 's/msg_iov/Iov/' \
 633       -e 's/msg_iovlen/Iovlen/' \
 634       -e 's/_iovec/Iovec/' \
 635       -e 's/msg_control/Control/' \
 636       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 637       -e 's/msg_flags/Flags/' \
 638     >> ${OUT}
 639
 640 # The MSG_ flags for Msghdr.
 641 grep '^const _MSG_' gen-sysinfo.go | \
 642   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 643
 644 # The cmsghdr struct.
 645 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 646 if test -n "$cmsghdr"; then
 647   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 648   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 649   echo "$cmsghdr" | \
 650       sed -e 's/_cmsghdr/Cmsghdr/' \
 651         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 652         -e 's/cmsg_level/Level/' \
 653         -e 's/cmsg_type/Type/' \
 654         -e 's/\[\]/[0]/' \
 655       >> ${OUT}
 656 fi
 657
 658 # The SCM_ flags for Cmsghdr.
 659 grep '^const _SCM_' gen-sysinfo.go | \
 660   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 661
 662 # The ucred struct.
 663 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 664
 665 # The ip_mreq struct.
 666 grep '^type _ip_mreq ' gen-sysinfo.go | \
 667     sed -e 's/_ip_mreq/IPMreq/' \
 668       -e 's/imr_multiaddr/Multiaddr/' \
 669       -e 's/imr_interface/Interface/' \
 670       -e 's/_in_addr/[4]byte/g' \
 671     >> ${OUT}
 672
 673 # We need IPMreq to compile the net package.
 674 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 675   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 676 fi
 677
 678 # The ipv6_mreq struct.
 679 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 680     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 681       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 682       -e 's/ipv6mr_interface/Interface/' \
 683       -e 's/_in6_addr/[16]byte/' \
 684     >> ${OUT}
 685
 686 # We need IPv6Mreq to compile the net package.
 687 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 688   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 689 fi
 690
 691 # The ip_mreqn struct.
 692 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 693     sed -e 's/_ip_mreqn/IPMreqn/' \
 694       -e 's/imr_multiaddr/Multiaddr/' \
 695       -e 's/imr_address/Address/' \
 696       -e 's/imr_ifindex/Ifindex/' \
 697       -e 's/_in_addr/[4]byte/g' \
 698     >> ${OUT}
 699
 700 # We need IPMreq to compile the net package.
 701 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 702   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 703 fi
 704
 705 # The icmp6_filter struct.
 706 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 707     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 708       -e 's/data/Data/' \
 709       -e 's/filt/Filt/' \
 710     >> ${OUT}
 711
 712 # We need ICMPv6Filter to compile the syscall package.
 713 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 714   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 715 fi
 716
 717 # The ip6_mtuinfo struct.
 718 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 719     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 720       -e 's/ip6m_addr/Addr/' \
 721       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 722       -e 's/ip6m_mtu/Mtu/' \
 723     >> ${OUT}
 724
 725 # We need IPv6MTUInfo to compile the syscall package.
 726 if ! grep 'type IPv6MTUInfo ' ${OUT} >/dev/null 2>&1; then
 727   echo 'type IPv6MTUInfo struct { Addr RawSockaddrInet6; Mtu uint32; }' >> ${OUT}
 728 fi
 729 if ! grep 'const _sizeof_ip6_mtuinfo = ' ${OUT} >/dev/null 2>&1; then
 730   echo 'const SizeofIPv6MTUInfo = 32' >> ${OUT}
 731 fi
 732
 733 # Try to guess the type to use for fd_set.
 734 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 735 fds_bits_type="_C_long"
 736 if test "$fd_set" != ""; then
 737     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 738 fi
 739 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 740
 741 # The addrinfo struct.
 742 grep '^type _addrinfo ' gen-sysinfo.go | \
 743     sed -e 's/_addrinfo/Addrinfo/g' \
 744       -e 's/ ai_/ Ai_/g' \
 745     >> ${OUT}
 746
 747 # The addrinfo and nameinfo flags and errors.
 748 grep '^const _AI_' gen-sysinfo.go | \
 749   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 750 grep '^const _EAI_' gen-sysinfo.go | \
 751   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 752 grep '^const _NI_' gen-sysinfo.go | \
 753   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 754
 755 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 756 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 757   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 758 fi
 759
 760 # The passwd struct.
 761 grep '^type _passwd ' gen-sysinfo.go | \
 762     sed -e 's/_passwd/Passwd/' \
 763       -e 's/ pw_/ Pw_/g' \
 764     >> ${OUT}
 765
 766 # The group struct.
 767 grep '^type _group ' gen-sysinfo.go | \
 768     sed -e 's/_group/Group/' \
 769       -e 's/ gr_/ Gr_/g' \
 770     >> ${OUT}
 771
 772 # The ioctl flags for the controlling TTY.
 773 grep '^const _TIOC' gen-sysinfo.go | \
 774     grep -v '_val =' | \
 775     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 776 grep '^const _TUNSET' gen-sysinfo.go | \
 777     grep -v '_val =' | \
 778     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 779 # We need TIOCGWINSZ.
 780 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 781   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 782     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 783   fi
 784 fi
 785 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 786   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 787     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 788   fi
 789 fi
 790 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 791   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 792     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 793   fi
 794 fi
 795 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 796   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 797     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 798   fi
 799 fi
 800 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 801   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 802     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 803   fi
 804 fi
 805 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 806   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 807     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 808   fi
 809 fi
 810 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 811   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 812     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 813   fi
 814 fi
 815 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 816   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 817     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 818   fi
 819 fi
 820 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 821   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 822     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 823   fi
 824 fi
 825 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 826   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 827     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 828   fi
 829 fi
 830
 831 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 832   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 833     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 834   fi
 835 fi
 836
 837 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 838   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 839     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 840   fi
 841 fi
 842
 843 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 844   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 845     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 846   fi
 847 fi
 848
 849 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 850   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 851     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 852   fi
 853 fi
 854
 855 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 856   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 857     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 858   fi
 859 fi
 860
 861 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 862   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 863     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 864   fi
 865 fi
 866
 867 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 868   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 869     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 870   fi
 871 fi
 872
 873 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 874   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 875     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 876   fi
 877 fi
 878
 879 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 880   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 881     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 882   fi
 883 fi
 884
 885 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 886   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 887     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 888   fi
 889 fi
 890
 891 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 892   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 893     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 894   fi
 895 fi
 896
 897 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 898   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 899     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 900   fi
 901 fi
 902
 903 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 904   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 905     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 906   fi
 907 fi
 908
 909 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 910   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 911     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 912   fi
 913 fi
 914
 915 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 916   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 917     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 918   fi
 919 fi
 920
 921 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 922   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 923     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 924   fi
 925 fi
 926
 927 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 928   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 929     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 930   fi
 931 fi
 932
 933 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 934   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 935     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 936   fi
 937 fi
 938
 939
 940 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 941   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 942     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 943   fi
 944 fi
 945
 946 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 947   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 948     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 949   fi
 950 fi
 951
 952 # The ioctl flags for terminal control
 953 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 954     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 955 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 956   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 957     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 958   fi
 959 fi
 960 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 961   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 962     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 963   fi
 964 fi
 965
 966 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 967 # needs handling in syscalls.exec.go.
 968 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 969   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 970     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 971   fi
 972 fi
 973
 974 # If nothing else defined TIOCSCTTY, make sure it has a value.
 975 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 976   echo "const TIOCSCTTY = 0" >> ${OUT}
 977 fi
 978
 979 # The nlmsghdr struct.
 980 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 981     sed -e 's/_nlmsghdr/NlMsghdr/' \
 982       -e 's/nlmsg_len/Len/' \
 983       -e 's/nlmsg_type/Type/' \
 984       -e 's/nlmsg_flags/Flags/' \
 985       -e 's/nlmsg_seq/Seq/' \
 986       -e 's/nlmsg_pid/Pid/' \
 987     >> ${OUT}
 988
 989 # The nlmsg flags and operators.
 990 grep '^const _NLM' gen-sysinfo.go | \
 991     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 992
 993 # NLMSG_HDRLEN is defined as an expression using sizeof.
 994 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 995   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 996     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 997   fi
 998 fi
 999
1000 # The rtmsg struct.
1001 grep '^type _rtmsg ' gen-sysinfo.go | \
1002     sed -e 's/_rtmsg/RtMsg/' \
1003       -e 's/rtm_family/Family/' \
1004       -e 's/rtm_dst_len/Dst_len/' \
1005       -e 's/rtm_src_len/Src_len/' \
1006       -e 's/rtm_tos/Tos/' \
1007       -e 's/rtm_table/Table/' \
1008       -e 's/rtm_protocol/Protocol/' \
1009       -e 's/rtm_scope/Scope/' \
1010       -e 's/rtm_type/Type/' \
1011       -e 's/rtm_flags/Flags/' \
1012     >> ${OUT}
1013
1014 # The rtgenmsg struct.
1015 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1016     sed -e 's/_rtgenmsg/RtGenmsg/' \
1017       -e 's/rtgen_family/Family/' \
1018     >> ${OUT}
1019
1020 # The rt_msghdr struct.
1021 grep '^type _rt_msghdr ' gen-sysinfo.go | \
1022     sed -e 's/_rt_msghdr/RtMsghdr/g' \
1023         -e 's/rtm_msglen/Msglen/' \
1024         -e 's/rtm_version/Version/' \
1025         -e 's/rtm_type/Type/' \
1026         -e 's/rtm_index/Index/' \
1027         -e 's/rtm_flags/Flags/' \
1028         -e 's/rtm_addrs/Addrs/' \
1029         -e 's/rtm_pid/Pid/' \
1030         -e 's/rtm_seq/Seq/' \
1031         -e 's/rtm_errno/Errno/' \
1032         -e 's/rtm_use/Use/' \
1033         -e 's/rtm_inits/Inits/' \
1034         -e 's/rtm_rmx/Rmx/' \
1035         -e 's/_rt_metrics/RtMetrics/' \
1036       >> ${OUT}
1037
1038 # The rt_metrics struct.
1039 grep '^type _rt_metrics ' gen-sysinfo.go | \
1040     sed -e 's/_rt_metrics/RtMetrics/g' \
1041         -e 's/rmx_locks/Locks/' \
1042         -e 's/rmx_mtu/Mtu/' \
1043         -e 's/rmx_hopcount/Hopcount/' \
1044         -e 's/rmx_recvpipe/Recvpipe/' \
1045         -e 's/rmx_sendpipe/Sendpipe/' \
1046         -e 's/rmx_ssthresh/Ssthresh/' \
1047         -e 's/rmx_rtt/Rtt/' \
1048         -e 's/rmx_rttvar/Rttvar/' \
1049         -e 's/rmx_expire/Expire/' \
1050         -e 's/rmx_pksent/Pksent/' \
1051       >> ${OUT}
1052
1053 # The routing message flags.
1054 grep '^const _RT_' gen-sysinfo.go | \
1055     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1056 grep '^const _RTA' gen-sysinfo.go | \
1057     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1058 grep '^const _RTF' gen-sysinfo.go | \
1059     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1060 grep '^const _RTCF' gen-sysinfo.go | \
1061     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1062 grep '^const _RTM' gen-sysinfo.go | \
1063     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1064 if test "${GOOS}" = "netbsd"; then
1065   if ! grep "RTM_RESOLVE" ${OUT} >/dev/null 2>&1; then
1066     # NetBSD 8.0 removed RTM_RESOLVE, but it is part of the syscall package's
1067     # stable API, so add it manually.
1068     echo "const RTM_RESOLVE = 0xb" >> ${OUT}
1069   fi
1070 fi
1071 grep '^const _RTN' gen-sysinfo.go | \
1072     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1073 grep '^const _RTPROT' gen-sysinfo.go | \
1074     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1075
1076 # The ifinfomsg struct.
1077 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1078     sed -e 's/_ifinfomsg/IfInfomsg/' \
1079       -e 's/ifi_family/Family/' \
1080       -e 's/ifi_type/Type/' \
1081       -e 's/ifi_index/Index/' \
1082       -e 's/ifi_flags/Flags/' \
1083       -e 's/ifi_change/Change/' \
1084     >> ${OUT}
1085
1086 # The if_msghdr struct. Upstream uses inconsistent capitalization for this type
1087 # on AIX, so we do too.
1088 ifmsghdr_name=IfMsghdr
1089 if test "${GOOS}" = "aix"; then
1090     ifmsghdr_name=IfMsgHdr
1091 fi
1092 grep '^type _if_msghdr ' gen-sysinfo.go | \
1093     sed -e "s/_if_msghdr/${ifmsghdr_name}/" \
1094                 -e 's/ifm_msglen/Msglen/' \
1095                 -e 's/ifm_version/Version/' \
1096                 -e 's/ifm_type/Type/' \
1097                 -e 's/ifm_addrs/Addrs/' \
1098                 -e 's/ifm_flags/Flags/' \
1099                 -e 's/ifm_index/Index/' \
1100                 -e 's/ifm_addrlen/Addrlen/' \
1101                 >> ${OUT}
1102
1103 # The if_announcemsghdr struct.
1104 grep '^type _if_announcemsghdr ' gen-sysinfo.go | \
1105     sed -e 's/_if_announcemsghdr/IfAnnounceMsghdr/g' \
1106         -e 's/ifan_msglen/Msglen/' \
1107         -e 's/ifan_version/Version/' \
1108         -e 's/ifan_type/Type/' \
1109         -e 's/ifan_index/Index/' \
1110         -e 's/ifan_name/Name/' \
1111         -e 's/ifan_what/What/' \
1112       >> ${OUT}
1113
1114 # The interface information types and flags.
1115 grep '^const _IFA' gen-sysinfo.go | \
1116     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1117 grep '^const _IFLA' gen-sysinfo.go | \
1118     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1119 grep '^const _IFF' gen-sysinfo.go | \
1120     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1121 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1122     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1123 grep '^const _SIOC' gen-sysinfo.go | \
1124     grep -v '_val =' | \
1125     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1126
1127 if ! grep '^const SIOCGIFMTU' ${OUT} >/dev/null 2>&1; then
1128         if grep '^const _SIOCGIFMTU_val' ${OUT} >/dev/null 2>&1; then
1129                 echo 'const SIOCGIFMTU = _SIOCGIFMTU_val' >> ${OUT}
1130         fi
1131 fi
1132
1133 # The ifaddrmsg struct.
1134 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1135     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1136       -e 's/ifa_family/Family/' \
1137       -e 's/ifa_prefixlen/Prefixlen/' \
1138       -e 's/ifa_flags/Flags/' \
1139       -e 's/ifa_scope/Scope/' \
1140       -e 's/ifa_index/Index/' \
1141     >> ${OUT}
1142
1143 # The ifa_msghdr struct.
1144 grep '^type _ifa_msghdr ' gen-sysinfo.go | \
1145     sed -e 's/_ifa_msghdr/IfaMsghdr/g' \
1146         -e 's/ifam_msglen/Msglen/' \
1147         -e 's/ifam_version/Version/' \
1148         -e 's/ifam_type/Type/' \
1149         -e 's/ifam_addrs/Addrs/' \
1150         -e 's/ifam_flags/Flags/' \
1151         -e 's/ifam_metric/Metric/' \
1152         -e 's/ifam_index/Index/' \
1153       >> ${OUT}
1154
1155 # The rtattr struct.
1156 grep '^type _rtattr ' gen-sysinfo.go | \
1157     sed -e 's/_rtattr/RtAttr/' \
1158       -e 's/rta_len/Len/' \
1159       -e 's/rta_type/Type/' \
1160     >> ${OUT}
1161
1162 # The bpf_version struct.
1163 grep '^type _bpf_version ' gen-sysinfo.go | \
1164     sed -e 's/_bpf_version/BpfVersion/g' \
1165         -e 's/bv_major/Major/' \
1166         -e 's/bv_minor/Minor/' \
1167       >> ${OUT}
1168
1169 # The bpf_stat struct.
1170 grep '^type _bpf_stat ' gen-sysinfo.go | \
1171     sed -e 's/_bpf_stat/BpfStat/g' \
1172         -e 's/bs_recv/Recv/' \
1173         -e 's/bs_drop/Drop/' \
1174         -e 's/bs_capt/Capt/' \
1175         -e 's/bs_padding/Padding/' \
1176       >> ${OUT}
1177
1178 # The bpf_insn struct.
1179 grep '^type _bpf_insn ' gen-sysinfo.go | \
1180     sed -e 's/_bpf_insn/BpfInsn/g' \
1181         -e 's/code/Code/' \
1182         -e 's/jt/Jt/' \
1183         -e 's/jf/Jf/' \
1184         -e 's/k/K/' \
1185       >> ${OUT}
1186
1187 # The bpf_program struct.
1188 grep '^type _bpf_program ' gen-sysinfo.go | \
1189     sed -e 's/_bpf_program/BpfProgram/g' \
1190         -e 's/bf_len/Len/' \
1191         -e 's/bf_insns/Insns/' \
1192         -e 's/_bpf_insn/BpfInsn/' \
1193       >> ${OUT}
1194
1195 # The BPF ioctl constants.
1196 grep '^const _BIOC' gen-sysinfo.go | \
1197     grep -v '_val =' | \
1198     sed -e 's/^\(const \)_\(BIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1199 for c in BIOCFLUSH BIOCGBLEN BIOCGDLT BIOCGETIF BIOCGHDRCMPLT BIOCGRTIMEOUT \
1200          BIOCGSTATS BIOCIMMEDIATE BIOCPROMISC BIOCSBLEN BIOCSDLT BIOCSETF \
1201          BIOCSETIF BIOCSHDRCMPLT BIOCSRTIMEOUT BIOCVERSION
1202 do
1203   if ! grep "^const ${c}" ${OUT} >/dev/null 2>&1; then
1204     if grep "^const _${c}_val" ${OUT} >/dev/null 2>&1; then
1205       echo "const ${c} = _${c}_val" >> ${OUT}
1206     fi
1207   fi
1208 done
1209
1210 # The in_pktinfo struct.
1211 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1212     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1213       -e 's/ipi_ifindex/Ifindex/' \
1214       -e 's/ipi_spec_dst/Spec_dst/' \
1215       -e 's/ipi_addr/Addr/' \
1216       -e 's/_in_addr/[4]byte/g' \
1217     >> ${OUT}
1218
1219 # The in6_pktinfo struct.
1220 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1221     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1222       -e 's/ipi6_addr/Addr/' \
1223       -e 's/ipi6_ifindex/Ifindex/' \
1224       -e 's/_in6_addr/[16]byte/' \
1225     >> ${OUT}
1226
1227 # The termios struct.
1228 grep '^type _termios ' gen-sysinfo.go | \
1229     sed -e 's/_termios/Termios/' \
1230       -e 's/c_iflag/Iflag/' \
1231       -e 's/c_oflag/Oflag/' \
1232       -e 's/c_cflag/Cflag/' \
1233       -e 's/c_lflag/Lflag/' \
1234       -e 's/c_line/Line/' \
1235       -e 's/c_cc/Cc/' \
1236       -e 's/c_ispeed/Ispeed/' \
1237       -e 's/c_ospeed/Ospeed/' \
1238     >> ${OUT}
1239
1240 # The termios constants.
1241 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1242     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1243     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1244     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1245     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1246     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1247     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1248     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1249     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1250     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1251     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1252     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1253
1254     grep "^const _$n " gen-sysinfo.go | \
1255         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1256 done
1257
1258 # The mount flags
1259 grep '^const _MNT_' gen-sysinfo.go |
1260     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1261 grep '^const _MS_' gen-sysinfo.go |
1262     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1263
1264 # The fallocate flags.
1265 grep '^const _FALLOC_' gen-sysinfo.go |
1266     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1267
1268 # The statfs struct.
1269 # Prefer largefile variant if available.
1270 # CentOS 5 does not have f_flags, so pull from f_spare.
1271 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1272 if test "$statfs" = ""; then
1273   statfs=`grep '^type _statfs ' gen-sysinfo.go || true`
1274 fi
1275 if ! echo "$statfs" | grep f_flags >/dev/null 2>&1; then
1276   statfs=`echo "$statfs" | sed -e 's/f_spare \[4+1\]\([^ ;]*\)/f_flags \1; f_spare [3+1]\1/'`
1277 fi
1278 echo "$statfs" | sed -e 's/type _statfs64/type Statfs_t/' \
1279          -e 's/type _statfs/type Statfs_t/' \
1280          -e 's/f_type/Type/' \
1281          -e 's/f_bsize/Bsize/' \
1282          -e 's/f_blocks/Blocks/' \
1283          -e 's/f_bfree/Bfree/' \
1284          -e 's/f_bavail/Bavail/' \
1285          -e 's/f_files/Files/' \
1286          -e 's/f_ffree/Ffree/' \
1287          -e 's/f_fsid/Fsid/' \
1288          -e 's/f_namelen/Namelen/' \
1289          -e 's/f_frsize/Frsize/' \
1290          -e 's/f_flags/Flags/' \
1291          -e 's/f_spare/Spare/' \
1292     >> ${OUT}
1293
1294 # The timex struct.
1295 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1296 if test "$timex" = ""; then
1297   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1298   if test "$timex" != ""; then
1299     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1300   fi
1301 fi
1302 if test "$timex" != ""; then
1303   echo "$timex" | \
1304     sed -e 's/_timex/Timex/' \
1305       -e 's/modes/Modes/' \
1306       -e 's/offset/Offset/' \
1307       -e 's/freq/Freq/' \
1308       -e 's/maxerror/Maxerror/' \
1309       -e 's/esterror/Esterror/' \
1310       -e 's/status/Status/' \
1311       -e 's/constant/Constant/' \
1312       -e 's/precision/Precision/' \
1313       -e 's/tolerance/Tolerance/' \
1314       -e 's/ time / Time /' \
1315       -e 's/tick/Tick/' \
1316       -e 's/ppsfreq/Ppsfreq/' \
1317       -e 's/jitter/Jitter/' \
1318       -e 's/shift/Shift/' \
1319       -e 's/stabil/Stabil/' \
1320       -e 's/jitcnt/Jitcnt/' \
1321       -e 's/calcnt/Calcnt/' \
1322       -e 's/errcnt/Errcnt/' \
1323       -e 's/stbcnt/Stbcnt/' \
1324       -e 's/tai/Tai/' \
1325       -e 's/_timeval/Timeval/' \
1326     >> ${OUT}
1327 fi
1328
1329 # The rlimit struct.
1330 # On systems that use syscall/libcall_posix_largefile.go, use rlimit64
1331 # if it exists.
1332 rlimit="_rlimit"
1333 if test "${GOOS}" = "aix" || test "${GOOS}" = "linux" || (test "${GOOS}" = "solaris" && (test "${GOARCH}" = "386" || test "${GOARCH}" = "sparc")); then
1334   if grep '^type _rlimit64 ' gen-sysinfo.go > /dev/null 2>&1; then
1335     rlimit="_rlimit64"
1336   fi
1337 fi
1338 grep "^type ${rlimit} " gen-sysinfo.go | \
1339     sed -e "s/${rlimit}/Rlimit/" \
1340       -e 's/rlim_cur/Cur/' \
1341       -e 's/rlim_max/Max/' \
1342     >> ${OUT}
1343
1344 # The RLIMIT constants.
1345 grep '^const _RLIMIT_' gen-sysinfo.go |
1346     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1347 grep '^const _RLIM_' gen-sysinfo.go |
1348     grep -v '^const _RLIM_INFINITY ' |
1349     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1350 rliminf=""
1351 if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1352   rliminf=`grep '^const _RLIM64_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1353 else
1354   rliminf=`grep '^const _RLIM_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1355 fi
1356 # For compatibility with the gc syscall package, treat 0xffffffffffffffff as -1.
1357 if test "$rliminf" = "0xffffffffffffffff"; then
1358   echo "const RLIM_INFINITY = -1" >> ${OUT}
1359 elif test -n "$rliminf"; then
1360   echo "const RLIM_INFINITY = $rliminf" >> ${OUT}
1361 fi
1362
1363 # The sysinfo struct.
1364 grep '^type _sysinfo ' gen-sysinfo.go | \
1365     sed -e 's/_sysinfo/Sysinfo_t/' \
1366       -e 's/uptime/Uptime/' \
1367       -e 's/loads/Loads/' \
1368       -e 's/totalram/Totalram/' \
1369       -e 's/freeram/Freeram/' \
1370       -e 's/sharedram/Sharedram/' \
1371       -e 's/bufferram/Bufferram/' \
1372       -e 's/totalswap/Totalswap/' \
1373       -e 's/freeswap/Freeswap/' \
1374       -e 's/procs/Procs/' \
1375       -e 's/totalhigh/Totalhigh/' \
1376       -e 's/freehigh/Freehigh/' \
1377       -e 's/mem_unit/Unit/' \
1378     >> ${OUT}
1379
1380 # The utimbuf struct.
1381 grep '^type _utimbuf ' gen-sysinfo.go | \
1382     sed -e 's/_utimbuf/Utimbuf/' \
1383       -e 's/actime/Actime/' \
1384       -e 's/modtime/Modtime/' \
1385     >> ${OUT}
1386
1387 # The LOCK flags for flock.
1388 grep '^const _LOCK_' gen-sysinfo.go |
1389     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1390
1391 # The PRIO constants.
1392 grep '^const _PRIO_' gen-sysinfo.go | \
1393   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1394
1395 # The GNU/Linux LINUX_REBOOT flags.
1396 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1397     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1398
1399 # The GNU/Linux sock_filter struct.
1400 grep '^type _sock_filter ' gen-sysinfo.go | \
1401     sed -e 's/_sock_filter/SockFilter/' \
1402       -e 's/code/Code/' \
1403       -e 's/jt/Jt/' \
1404       -e 's/jf/Jf/' \
1405       -e 's/k /K /' \
1406     >> ${OUT}
1407
1408 # The GNU/Linux sock_fprog struct.
1409 grep '^type _sock_fprog ' gen-sysinfo.go | \
1410     sed -e 's/_sock_fprog/SockFprog/' \
1411       -e 's/len/Len/' \
1412       -e 's/filter/Filter/' \
1413       -e 's/_sock_filter/SockFilter/' \
1414     >> ${OUT}
1415
1416 # The GNU/Linux filter flags.
1417 grep '^const _BPF_' gen-sysinfo.go | \
1418   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1419
1420 # The GNU/Linux nlattr struct.
1421 grep '^type _nlattr ' gen-sysinfo.go | \
1422     sed -e 's/_nlattr/NlAttr/' \
1423       -e 's/nla_len/Len/' \
1424       -e 's/nla_type/Type/' \
1425     >> ${OUT}
1426
1427 # The GNU/Linux nlmsgerr struct.
1428 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1429     sed -e 's/_nlmsgerr/NlMsgerr/' \
1430       -e 's/error/Error/' \
1431       -e 's/msg/Msg/' \
1432       -e 's/_nlmsghdr/NlMsghdr/' \
1433     >> ${OUT}
1434
1435 # The GNU/Linux rtnexthop struct.
1436 grep '^type _rtnexthop ' gen-sysinfo.go | \
1437     sed -e 's/_rtnexthop/RtNexthop/' \
1438       -e 's/rtnh_len/Len/' \
1439       -e 's/rtnh_flags/Flags/' \
1440       -e 's/rtnh_hops/Hops/' \
1441       -e 's/rtnh_ifindex/Ifindex/' \
1442     >> ${OUT}
1443
1444 # The GNU/Linux netlink flags.
1445 grep '^const _NETLINK_' gen-sysinfo.go | \
1446   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1447 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1448   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1449
1450 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1451   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1452     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1453   fi
1454 fi
1455
1456 # The GNU/Linux packet socket flags.
1457 grep '^const _PACKET_' gen-sysinfo.go | \
1458   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1459
1460 # The GNU/Linux inotify_event struct.
1461 grep '^type _inotify_event ' gen-sysinfo.go | \
1462     sed -e 's/_inotify_event/InotifyEvent/' \
1463       -e 's/wd/Wd/' \
1464       -e 's/mask/Mask/' \
1465       -e 's/cookie/Cookie/' \
1466       -e 's/len/Len/' \
1467       -e 's/name/Name/' \
1468       -e 's/\[\]/[0]/' \
1469       -e 's/\[0\]byte/[0]int8/' \
1470     >> ${OUT}
1471
1472 # The GNU/Linux CLONE flags.
1473 grep '^const _CLONE_' gen-sysinfo.go | \
1474   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1475 # We need some CLONE constants that are not defined in older versions
1476 # of glibc.
1477 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1478   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1479 fi
1480 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1481   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1482 fi
1483
1484 # Struct sizes.
1485 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1486     ifaddrmsg IfAddrmsg ifa_msghdr IfaMsghdr ifinfomsg IfInfomsg \
1487     if_msghdr IfMsghdr in_pktinfo Inet4Pktinfo in6_pktinfo Inet6Pktinfo \
1488     inotify_event InotifyEvent linger Linger msghdr Msghdr nlattr NlAttr \
1489     nlmsgerr NlMsgerr nlmsghdr NlMsghdr rtattr RtAttr rt_msghdr RtMsghdr \
1490     rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1491     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1492     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1493 while test $# != 0; do
1494     nc=$1
1495     ngo=$2
1496     shift
1497     shift
1498     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1499         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1500     fi
1501 done
1502
1503 # In order to compile the net package, we need some sizes to exist
1504 # even if the types do not.
1505 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1506     echo 'const SizeofIPMreq = 8' >> ${OUT}
1507 fi
1508 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1509     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1510 fi
1511 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1512     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1513 fi
1514 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1515     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1516 fi
1517
1518 # Type 'uint128' is needed in a couple of type definitions on arm64,such
1519 # as _user_fpsimd_struct, _elf_fpregset_t, etc.
1520 if ! grep '^type uint128' ${OUT} > /dev/null 2>&1; then
1521     echo "type uint128 [16]byte" >> ${OUT}
1522 fi
1523
1524 exit $?