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   grep -v '^const _SYS_SECCOMP = ' | \
 131   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 132   while read sys; do
 133     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 134     echo "const $sup = _$sys" >> ${OUT}
 135   done
 136
 137 # Special treatment of SYS_IOCTL for GNU/Hurd.
 138 if ! grep '^const SYS_IOCTL' ${OUT} > /dev/null 2>&1; then
 139   echo "const SYS_IOCTL = 0" >> ${OUT}
 140 fi
 141
 142 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 143 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 144   echo "const SYS_GETDENTS = 0" >> ${OUT}
 145 fi
 146 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 147   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 148 fi
 149
 150 # The syscall package wants the geteuid system call number.  It isn't
 151 # defined on Alpha, which only provides the getresuid system call.
 152 if ! grep '^const SYS_GETEUID ' ${OUT} >/dev/null 2>&1; then
 153   echo "const SYS_GETEUID = 0" >> ${OUT}
 154 fi
 155
 156 # Stat constants.
 157 grep '^const _S_' gen-sysinfo.go | \
 158   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 159
 160 # Mmap constants.
 161 grep '^const _PROT_' gen-sysinfo.go | \
 162   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 163 grep '^const _MAP_' gen-sysinfo.go | \
 164   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 165 grep '^const _MADV_' gen-sysinfo.go | \
 166   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 167 grep '^const _MCL_' gen-sysinfo.go | \
 168   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 169
 170 # Process status constants.
 171 grep '^const _W' gen-sysinfo.go |
 172   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 173 # WSTOPPED was introduced in glibc 2.3.4.
 174 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 175   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 176     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 177   else
 178     echo 'const WSTOPPED = 2' >> ${OUT}
 179   fi
 180 fi
 181 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 182    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 183   echo 'const WALL = ___WALL' >> ${OUT}
 184 fi
 185 # On GNU/Linux the os package requires WEXITED and WNOWAIT.
 186 if test "${GOOS}" = "linux"; then
 187   if ! grep '^const WEXITED = ' ${OUT} >/dev/null 2>&1; then
 188     echo 'const WEXITED = 4' >> ${OUT}
 189   fi
 190   if ! grep '^const WNOWAIT = ' ${OUT} >/dev/null 2>&1; then
 191     echo 'const WNOWAIT = 0x01000000' >> ${OUT}
 192   fi
 193 fi
 194
 195 # Networking constants.
 196 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 197   grep -v '_val =' |
 198   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 199 grep '^const _SOMAXCONN' gen-sysinfo.go |
 200   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 201     >> ${OUT}
 202 grep '^const _SHUT_' gen-sysinfo.go |
 203   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 204
 205 # The net package requires some const definitions.
 206 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 207   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 208     echo "const $m = 0" >> ${OUT}
 209   fi
 210 done
 211 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 212   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 213     echo "const $m = -1" >> ${OUT}
 214   fi
 215 done
 216
 217 # On 32-bit GNU/Linux the expression for SO_RCVTIMEO is too complicated
 218 # for -fdump-go-spec.
 219 if ! grep '^const SO_RCVTIMEO ' ${OUT} >/dev/null 2>&1; then
 220   if grep '^const _SO_RCVTIMEO_val' ${OUT} >/dev/null 2>&1; then
 221     echo 'const SO_RCVTIMEO = _SO_RCVTIMEO_val' >> ${OUT}
 222   fi
 223 fi
 224
 225 # The syscall package requires AF_LOCAL.
 226 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 227   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 228     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 229   fi
 230 fi
 231
 232 # The syscall package requires _AT_FDCWD, but doesn't export it.
 233 if ! grep '^const _AT_FDCWD = ' ${OUT} >/dev/null 2>&1; then
 234   echo "const _AT_FDCWD = -100" >> ${OUT}
 235 fi
 236
 237 # sysctl constants.
 238 grep '^const _CTL' gen-sysinfo.go |
 239   sed -e 's/^\(const \)_\(CTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 240   grep '^const _SYSCTL' gen-sysinfo.go |
 241   sed -e 's/^\(const \)_\(SYSCTL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 242   grep '^const _NET_RT' gen-sysinfo.go |
 243   sed -e 's/^\(const \)_\(NET_RT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 244
 245 # The sysctlnode struct.
 246 grep '^type _sysctlnode ' gen-sysinfo.go | \
 247     sed -e 's/_sysctlnode/Sysctlnode/' \
 248                 -e 's/sysctl_flags/Flags/' \
 249     -e 's/sysctl_name/Name/' \
 250     -e 's/sysctl_num/Num/' \
 251                 >> ${OUT}
 252
 253 # sysconf constants.
 254 grep '^const __SC' gen-sysinfo.go |
 255   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 256
 257 # pathconf constants.
 258 grep '^const __PC' gen-sysinfo.go |
 259   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 260
 261 # The PATH_MAX constant.
 262 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 263   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 264 fi
 265
 266 # epoll constants.
 267 grep '^const _EPOLL' gen-sysinfo.go |
 268   grep -v EPOLLET |
 269   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 270 # Make sure EPOLLET is positive.
 271 if grep '^const _EPOLLET = [0-9]' gen-sysinfo.go >/dev/null 2>&1; then
 272   grep '^const _EPOLLET ' gen-sysinfo.go |
 273     sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 274 else
 275   echo "const EPOLLET = 0x80000000" >> ${OUT}
 276 fi
 277 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 278 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 279   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 280 fi
 281 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 282   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 283 fi
 284
 285 # Prctl constants.
 286 grep '^const _PR_' gen-sysinfo.go |
 287   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 288
 289 # Ptrace constants.
 290 grep '^const _PTRACE' gen-sysinfo.go |
 291   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 292 # We need some ptrace options that are not defined in older versions
 293 # of glibc.
 294 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 295   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 296 fi
 297 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 298   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 299 fi
 300 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 301   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 302 fi
 303 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 304   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 305 fi
 306 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 307   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 308 fi
 309 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 310   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 311 fi
 312 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 313   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 314 fi
 315 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 316   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 317 fi
 318 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 319   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 320 fi
 321 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 322   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 323 fi
 324 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 325   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 326 fi
 327 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 328   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 329 fi
 330 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 331   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 332 fi
 333 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 334   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 335 fi
 336 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 337   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 338 fi
 339 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 340   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 341 fi
 342 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 343   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 344 fi
 345
 346 # A helper function that prints a structure from gen-sysinfo.go with the first
 347 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 348 # is not empty, the structure or type is renamed to $2.
 349 upcase_fields () {
 350   name="$1"
 351   def=`grep "^type $name " gen-sysinfo.go`
 352   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 353   prefix=`echo $def | sed -e 's/{.*//'`
 354   if test "$2" != ""; then
 355     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 356   fi
 357   if test "$fields" != ""; then
 358     nfields=
 359     while test -n "$fields"; do
 360       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 361       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 362       # capitalize the next character.
 363       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 364       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 365       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 366       field="$f$r"
 367       nfields="$nfields $field;"
 368     done
 369     echo "${prefix} {$nfields }"
 370   fi
 371 }
 372
 373 # The registers returned by PTRACE_GETREGS.  This is probably
 374 # GNU/Linux specific; it should do no harm if there is no
 375 # _user_regs_struct.
 376 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 377 if test "$regs" = ""; then
 378   # mips*
 379   regs=`grep '^type _pt_regs struct' gen-sysinfo.go || true`
 380 fi
 381 if test "$regs" != ""; then
 382   regs=`echo $regs | sed -e 's/type _pt_regs struct//'`
 383   regs=`echo $regs |
 384     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 385   regs=`echo $regs | sed -e s'/^ *//'`
 386   nregs=
 387   while test -n "$regs"; do
 388     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 389     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 390     # Capitalize the first character of the field.
 391     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 392     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 393     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 394     field="$f$r"
 395     field=`echo "$field" | sed \
 396       -e 's/__user_psw_struct/PtracePsw/' \
 397       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 398       -e 's/__user_per_struct/PtracePer/'`
 399     nregs="$nregs $field;"
 400   done
 401   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 402 fi
 403
 404 # Some basic types.
 405 echo 'type Size_t _size_t' >> ${OUT}
 406 echo "type Ssize_t _ssize_t" >> ${OUT}
 407 echo "type Offset_t _libgo_off_t_type" >> ${OUT}
 408 echo "type Mode_t _mode_t" >> ${OUT}
 409 echo "type Pid_t _pid_t" >> ${OUT}
 410 echo "type Uid_t _uid_t" >> ${OUT}
 411 echo "type Gid_t _gid_t" >> ${OUT}
 412 echo "type Socklen_t _socklen_t" >> ${OUT}
 413
 414 # The C int type.
 415 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 416 if test "$sizeof_int" = "4"; then
 417   echo "type _C_int int32" >> ${OUT}
 418   echo "type _C_uint uint32" >> ${OUT}
 419 elif test "$sizeof_int" = "8"; then
 420   echo "type _C_int int64" >> ${OUT}
 421   echo "type _C_uint uint64" >> ${OUT}
 422 else
 423   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 424   exit 1
 425 fi
 426
 427 # The C long type, needed because that is the type that ptrace returns.
 428 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 429 if test "$sizeof_long" = "4"; then
 430   echo "type _C_long int32" >> ${OUT}
 431   echo "type _C_ulong uint32" >> ${OUT}
 432 elif test "$sizeof_long" = "8"; then
 433   echo "type _C_long int64" >> ${OUT}
 434   echo "type _C_ulong uint64" >> ${OUT}
 435 else
 436   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 437   exit 1
 438 fi
 439
 440 # The time_t type.
 441 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 442   echo 'type Time_t _time_t' >> ${OUT}
 443 fi
 444
 445 # The time structures need special handling: we need to name the
 446 # types, so that we can cast integers to the right types when
 447 # assigning to the structures.
 448 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 449 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 450 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 451 echo "type Timeval_sec_t = $timeval_sec" >> ${OUT}
 452 echo "type Timeval_usec_t = $timeval_usec" >> ${OUT}
 453 echo $timeval | \
 454   sed -e 's/type _timeval /type Timeval /' \
 455       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 456       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 457 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 458 if test "$timespec" = ""; then
 459   # IRIX 6.5 has __timespec instead.
 460   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 461 fi
 462 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 463 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 464 echo "type Timespec_sec_t = $timespec_sec" >> ${OUT}
 465 echo "type Timespec_nsec_t = $timespec_nsec" >> ${OUT}
 466 echo $timespec | \
 467   sed -e 's/^type ___timespec /type Timespec /' \
 468       -e 's/^type _timespec /type Timespec /' \
 469       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 470       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 471
 472 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 473 if test "$timestruc" = "type _timestruc_t _timespec"; then
 474   echo "type Timestruc Timespec" >> ${OUT}
 475 elif test "$timestruc" != ""; then
 476   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 477   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 478   echo "type Timestruc_sec_t = $timestruc_sec" >> ${OUT}
 479   echo "type Timestruc_nsec_t = $timestruc_nsec" >> ${OUT}
 480   echo $timestruc | \
 481     sed -e 's/^type _timestruc_t /type Timestruc /' \
 482         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 483         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 484 fi
 485
 486 # The tms struct.
 487 grep '^type _tms ' gen-sysinfo.go | \
 488     sed -e 's/type _tms/type Tms/' \
 489       -e 's/tms_utime/Utime/' \
 490       -e 's/tms_stime/Stime/' \
 491       -e 's/tms_cutime/Cutime/' \
 492       -e 's/tms_cstime/Cstime/' \
 493     >> ${OUT}
 494
 495 # AIX uses st_timespec struct for stat.
 496 grep '^type _st_timespec ' gen-sysinfo.go | \
 497     sed -e 's/type _st_timespec /type StTimespec /' \
 498       -e 's/tv_sec/Sec/' \
 499       -e 's/tv_nsec/Nsec/' >> ${OUT}
 500
 501 # Special treatment of struct stat st_dev for GNU/Hurd
 502 # /usr/include/i386-gnu/bits/stat.h: #define st_dev st_fsid
 503 st_dev='-e s/st_dev/Dev/'
 504 if grep 'define st_dev st_fsid' gen-sysinfo.go > /dev/null 2>&1; then
 505   st_dev='-e s/st_fsid/Dev/'
 506 fi
 507
 508 # For historical reasons Go uses the suffix "timespec" instead of "tim" for
 509 # stat_t's time fields on NetBSD.
 510 st_times='-e s/st_atim/Atim/g -e s/st_mtim/Mtim/g -e s/st_ctim/Ctim/g'
 511 if test "${GOOS}" = "netbsd"; then
 512     st_times='-e s/st_atim/Atimespec/ -e s/st_mtim/Mtimespec/ -e s/st_ctim/Ctimespec/'
 513 fi
 514
 515 # The stat type.
 516 # Prefer largefile variant if available.
 517 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 518 if test "$stat" != ""; then
 519   grep '^type _stat64 ' gen-sysinfo.go
 520 else
 521   grep '^type _stat ' gen-sysinfo.go
 522 fi | sed -e 's/type _stat64/type Stat_t/' \
 523          -e 's/type _stat/type Stat_t/' \
 524          ${st_dev} \
 525          ${st_times} \
 526          -e 's/st_ino/Ino/g' \
 527          -e 's/st_nlink/Nlink/' \
 528          -e 's/st_mode/Mode/' \
 529          -e 's/st_uid/Uid/' \
 530          -e 's/st_gid/Gid/' \
 531          -e 's/st_rdev/Rdev/' \
 532          -e 's/st_size/Size/' \
 533          -e 's/st_blksize/Blksize/' \
 534          -e 's/st_blocks/Blocks/' \
 535          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 536          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 537          -e 's/\([^a-zA-Z0-9_]\)_st_timespec_t\([^a-zA-Z0-9_]\)/\1StTimespec\2/g' \
 538          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 539          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 540          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 541        >> ${OUT}
 542
 543 # The directory searching types.
 544 # Prefer largefile variant if available.
 545 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 546 if test "$dirent" != ""; then
 547   grep '^type _dirent64 ' gen-sysinfo.go
 548 else
 549   grep '^type _dirent ' gen-sysinfo.go
 550 fi | sed -e 's/type _dirent64/type Dirent/' \
 551          -e 's/type _dirent/type Dirent/' \
 552          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 553          -e 's/d_name/Name/' \
 554          -e 's/]int8/]byte/' \
 555          -e 's/d_fileno/Fileno/' \
 556          -e 's/d_ino/Ino/' \
 557          -e 's/d_namlen/Namlen/' \
 558          -e 's/d_off/Off/' \
 559          -e 's/d_reclen/Reclen/' \
 560          -e 's/d_type/Type/' \
 561       >> ${OUT}
 562 echo "type DIR _DIR" >> ${OUT}
 563
 564 # Values for d_type field in dirent.
 565 grep '^const _DT_' gen-sysinfo.go |
 566   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 567
 568 # The rusage struct.
 569 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 570 if test "$rusage" != ""; then
 571   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 572   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 573   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 574   rusage=`echo $rusage | sed -e 's/^ *//'`
 575   nrusage=
 576   while test -n "$rusage"; do
 577     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 578     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 579     # Drop the leading ru_, capitalize the next character.
 580     field=`echo $field | sed -e 's/^ru_//'`
 581     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 582     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 583     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 584     # Fix _timeval _timespec, and _timestruc_t.
 585     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 586     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 587     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 588     field="$f$r"
 589     nrusage="$nrusage $field;"
 590   done
 591   echo "type Rusage struct {$nrusage }" >> ${OUT}
 592 else
 593   echo "type Rusage struct {}" >> ${OUT}
 594 fi
 595
 596 # The RUSAGE constants.
 597 grep '^const _RUSAGE_' gen-sysinfo.go | \
 598   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 599
 600 # The utsname struct.
 601 grep '^type _utsname ' gen-sysinfo.go | \
 602     sed -e 's/_utsname/Utsname/' \
 603       -e 's/sysname/Sysname/' \
 604       -e 's/nodename/Nodename/' \
 605       -e 's/release/Release/' \
 606       -e 's/version/Version/' \
 607       -e 's/machine/Machine/' \
 608       -e 's/domainname/Domainname/' \
 609     >> ${OUT}
 610
 611 # The iovec struct.
 612 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 613 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 614 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 615 echo $iovec | \
 616     sed -e 's/_iovec/Iovec/' \
 617       -e 's/iov_base/Base/' \
 618       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 619     >> ${OUT}
 620
 621 # The msghdr struct.
 622 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 623 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 624 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 625 echo $msghdr | \
 626     sed -e 's/_msghdr/Msghdr/' \
 627       -e 's/msg_name/Name/' \
 628       -e 's/msg_namelen/Namelen/' \
 629       -e 's/msg_iov/Iov/' \
 630       -e 's/msg_iovlen/Iovlen/' \
 631       -e 's/_iovec/Iovec/' \
 632       -e 's/msg_control/Control/' \
 633       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 634       -e 's/msg_flags/Flags/' \
 635     >> ${OUT}
 636
 637 # The MSG_ flags for Msghdr.
 638 grep '^const _MSG_' gen-sysinfo.go | \
 639   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 640
 641 # The cmsghdr struct.
 642 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 643 if test -n "$cmsghdr"; then
 644   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 645   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 646   echo "$cmsghdr" | \
 647       sed -e 's/_cmsghdr/Cmsghdr/' \
 648         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 649         -e 's/cmsg_level/Level/' \
 650         -e 's/cmsg_type/Type/' \
 651         -e 's/\[\]/[0]/' \
 652       >> ${OUT}
 653 fi
 654
 655 # The SCM_ flags for Cmsghdr.
 656 grep '^const _SCM_' gen-sysinfo.go | \
 657   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 658
 659 # The ucred struct.
 660 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 661
 662 # The ip_mreq struct.
 663 grep '^type _ip_mreq ' gen-sysinfo.go | \
 664     sed -e 's/_ip_mreq/IPMreq/' \
 665       -e 's/imr_multiaddr/Multiaddr/' \
 666       -e 's/imr_interface/Interface/' \
 667       -e 's/_in_addr/[4]byte/g' \
 668     >> ${OUT}
 669
 670 # We need IPMreq to compile the net package.
 671 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 672   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 673 fi
 674
 675 # The ipv6_mreq struct.
 676 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 677     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 678       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 679       -e 's/ipv6mr_interface/Interface/' \
 680       -e 's/_in6_addr/[16]byte/' \
 681     >> ${OUT}
 682
 683 # We need IPv6Mreq to compile the net package.
 684 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 685   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 686 fi
 687
 688 # The ip_mreqn struct.
 689 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 690     sed -e 's/_ip_mreqn/IPMreqn/' \
 691       -e 's/imr_multiaddr/Multiaddr/' \
 692       -e 's/imr_address/Address/' \
 693       -e 's/imr_ifindex/Ifindex/' \
 694       -e 's/_in_addr/[4]byte/g' \
 695     >> ${OUT}
 696
 697 # We need IPMreq to compile the net package.
 698 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 699   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 700 fi
 701
 702 # The icmp6_filter struct.
 703 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 704     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 705       -e 's/data/Data/' \
 706       -e 's/filt/Filt/' \
 707     >> ${OUT}
 708
 709 # We need ICMPv6Filter to compile the syscall package.
 710 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 711   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 712 fi
 713
 714 # The ip6_mtuinfo struct.
 715 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 716     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 717       -e 's/ip6m_addr/Addr/' \
 718       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 719       -e 's/ip6m_mtu/Mtu/' \
 720     >> ${OUT}
 721
 722 # We need IPv6MTUInfo to compile the syscall package.
 723 if ! grep 'type IPv6MTUInfo ' ${OUT} >/dev/null 2>&1; then
 724   echo 'type IPv6MTUInfo struct { Addr RawSockaddrInet6; Mtu uint32; }' >> ${OUT}
 725 fi
 726 if ! grep 'const _sizeof_ip6_mtuinfo = ' ${OUT} >/dev/null 2>&1; then
 727   echo 'const SizeofIPv6MTUInfo = 32' >> ${OUT}
 728 fi
 729
 730 # Try to guess the type to use for fd_set.
 731 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 732 fds_bits_type="_C_long"
 733 if test "$fd_set" != ""; then
 734     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 735 fi
 736 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 737
 738 # The addrinfo struct.
 739 grep '^type _addrinfo ' gen-sysinfo.go | \
 740     sed -e 's/_addrinfo/Addrinfo/g' \
 741       -e 's/ ai_/ Ai_/g' \
 742     >> ${OUT}
 743
 744 # The addrinfo and nameinfo flags and errors.
 745 grep '^const _AI_' gen-sysinfo.go | \
 746   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 747 grep '^const _EAI_' gen-sysinfo.go | \
 748   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 749 grep '^const _NI_' gen-sysinfo.go | \
 750   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 751
 752 # If nothing else defined EAI_OVERFLOW, make sure it has a value.
 753 if ! grep "const EAI_OVERFLOW " ${OUT} >/dev/null 2>&1; then
 754   echo "const EAI_OVERFLOW = 0" >> ${OUT}
 755 fi
 756
 757 # The passwd struct.
 758 grep '^type _passwd ' gen-sysinfo.go | \
 759     sed -e 's/_passwd/Passwd/' \
 760       -e 's/ pw_/ Pw_/g' \
 761     >> ${OUT}
 762
 763 # The group struct.
 764 grep '^type _group ' gen-sysinfo.go | \
 765     sed -e 's/_group/Group/' \
 766       -e 's/ gr_/ Gr_/g' \
 767     >> ${OUT}
 768
 769 # The ioctl flags for the controlling TTY.
 770 grep '^const _TIOC' gen-sysinfo.go | \
 771     grep -v '_val =' | \
 772     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 773 grep '^const _TUNSET' gen-sysinfo.go | \
 774     grep -v '_val =' | \
 775     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 776 # We need TIOCGWINSZ.
 777 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 778   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 779     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 780   fi
 781 fi
 782 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 783   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 784     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 785   fi
 786 fi
 787 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 788   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 789     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 790   fi
 791 fi
 792 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 793   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 794     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 795   fi
 796 fi
 797 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 798   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 799     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 800   fi
 801 fi
 802 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 803   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 804     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 805   fi
 806 fi
 807 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 808   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 809     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 810   fi
 811 fi
 812 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 813   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 814     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 815   fi
 816 fi
 817 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 818   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 819     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 820   fi
 821 fi
 822 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 823   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 824     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 825   fi
 826 fi
 827
 828 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 829   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 830     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 831   fi
 832 fi
 833
 834 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 835   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 836     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 837   fi
 838 fi
 839
 840 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 841   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 842     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 843   fi
 844 fi
 845
 846 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 847   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 848     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
 849   fi
 850 fi
 851
 852 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
 853   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
 854     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
 855   fi
 856 fi
 857
 858 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
 859   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
 860     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
 861   fi
 862 fi
 863
 864 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
 865   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
 866     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
 867   fi
 868 fi
 869
 870 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
 871   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
 872     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
 873   fi
 874 fi
 875
 876 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
 877   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
 878     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
 879   fi
 880 fi
 881
 882 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
 883   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
 884     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
 885   fi
 886 fi
 887
 888 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
 889   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
 890     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
 891   fi
 892 fi
 893
 894 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
 895   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 896     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
 897   fi
 898 fi
 899
 900 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
 901   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
 902     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
 903   fi
 904 fi
 905
 906 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
 907   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 908     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
 909   fi
 910 fi
 911
 912 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
 913   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
 914     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
 915   fi
 916 fi
 917
 918 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 919   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 920     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
 921   fi
 922 fi
 923
 924 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
 925   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
 926     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
 927   fi
 928 fi
 929
 930 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
 931   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
 932     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
 933   fi
 934 fi
 935
 936
 937 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
 938   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
 939     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
 940   fi
 941 fi
 942
 943 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
 944   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
 945     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
 946   fi
 947 fi
 948
 949 # The ioctl flags for terminal control
 950 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 951     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 952 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 953   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 954     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 955   fi
 956 fi
 957 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 958   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 959     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 960   fi
 961 fi
 962
 963 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 964 # needs handling in syscalls.exec.go.
 965 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 966   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 967     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 968   fi
 969 fi
 970
 971 # If nothing else defined TIOCSCTTY, make sure it has a value.
 972 if ! grep "const TIOCSCTTY " ${OUT} >/dev/null 2>&1; then
 973   echo "const TIOCSCTTY = 0" >> ${OUT}
 974 fi
 975
 976 # The nlmsghdr struct.
 977 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 978     sed -e 's/_nlmsghdr/NlMsghdr/' \
 979       -e 's/nlmsg_len/Len/' \
 980       -e 's/nlmsg_type/Type/' \
 981       -e 's/nlmsg_flags/Flags/' \
 982       -e 's/nlmsg_seq/Seq/' \
 983       -e 's/nlmsg_pid/Pid/' \
 984     >> ${OUT}
 985
 986 # The nlmsg flags and operators.
 987 grep '^const _NLM' gen-sysinfo.go | \
 988     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 989
 990 # NLMSG_HDRLEN is defined as an expression using sizeof.
 991 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 992   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 993     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 994   fi
 995 fi
 996
 997 # The rtmsg struct.
 998 grep '^type _rtmsg ' gen-sysinfo.go | \
 999     sed -e 's/_rtmsg/RtMsg/' \
1000       -e 's/rtm_family/Family/' \
1001       -e 's/rtm_dst_len/Dst_len/' \
1002       -e 's/rtm_src_len/Src_len/' \
1003       -e 's/rtm_tos/Tos/' \
1004       -e 's/rtm_table/Table/' \
1005       -e 's/rtm_protocol/Protocol/' \
1006       -e 's/rtm_scope/Scope/' \
1007       -e 's/rtm_type/Type/' \
1008       -e 's/rtm_flags/Flags/' \
1009     >> ${OUT}
1010
1011 # The rtgenmsg struct.
1012 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1013     sed -e 's/_rtgenmsg/RtGenmsg/' \
1014       -e 's/rtgen_family/Family/' \
1015     >> ${OUT}
1016
1017 # The rt_msghdr struct.
1018 grep '^type _rt_msghdr ' gen-sysinfo.go | \
1019     sed -e 's/_rt_msghdr/RtMsghdr/g' \
1020         -e 's/rtm_msglen/Msglen/' \
1021         -e 's/rtm_version/Version/' \
1022         -e 's/rtm_type/Type/' \
1023         -e 's/rtm_index/Index/' \
1024         -e 's/rtm_flags/Flags/' \
1025         -e 's/rtm_addrs/Addrs/' \
1026         -e 's/rtm_pid/Pid/' \
1027         -e 's/rtm_seq/Seq/' \
1028         -e 's/rtm_errno/Errno/' \
1029         -e 's/rtm_use/Use/' \
1030         -e 's/rtm_inits/Inits/' \
1031         -e 's/rtm_rmx/Rmx/' \
1032         -e 's/_rt_metrics/RtMetrics/' \
1033       >> ${OUT}
1034
1035 # The rt_metrics struct.
1036 grep '^type _rt_metrics ' gen-sysinfo.go | \
1037     sed -e 's/_rt_metrics/RtMetrics/g' \
1038         -e 's/rmx_locks/Locks/' \
1039         -e 's/rmx_mtu/Mtu/' \
1040         -e 's/rmx_hopcount/Hopcount/' \
1041         -e 's/rmx_recvpipe/Recvpipe/' \
1042         -e 's/rmx_sendpipe/Sendpipe/' \
1043         -e 's/rmx_ssthresh/Ssthresh/' \
1044         -e 's/rmx_rtt/Rtt/' \
1045         -e 's/rmx_rttvar/Rttvar/' \
1046         -e 's/rmx_expire/Expire/' \
1047         -e 's/rmx_pksent/Pksent/' \
1048       >> ${OUT}
1049
1050 # The routing message flags.
1051 grep '^const _RT_' gen-sysinfo.go | \
1052     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1053 grep '^const _RTA' gen-sysinfo.go | \
1054     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1055 grep '^const _RTF' gen-sysinfo.go | \
1056     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1057 grep '^const _RTCF' gen-sysinfo.go | \
1058     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1059 grep '^const _RTM' gen-sysinfo.go | \
1060     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1061 if test "${GOOS}" = "netbsd"; then
1062   if ! grep "RTM_RESOLVE" ${OUT} >/dev/null 2>&1; then
1063     # NetBSD 8.0 removed RTM_RESOLVE, but it is part of the syscall package's
1064     # stable API, so add it manually.
1065     echo "const RTM_RESOLVE = 0xb" >> ${OUT}
1066   fi
1067 fi
1068 grep '^const _RTN' gen-sysinfo.go | \
1069     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1070 grep '^const _RTPROT' gen-sysinfo.go | \
1071     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1072
1073 # The ifinfomsg struct.
1074 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1075     sed -e 's/_ifinfomsg/IfInfomsg/' \
1076       -e 's/ifi_family/Family/' \
1077       -e 's/ifi_type/Type/' \
1078       -e 's/ifi_index/Index/' \
1079       -e 's/ifi_flags/Flags/' \
1080       -e 's/ifi_change/Change/' \
1081     >> ${OUT}
1082
1083 # The if_msghdr struct. Upstream uses inconsistent capitalization for this type
1084 # on AIX, so we do too.
1085 ifmsghdr_name=IfMsghdr
1086 if test "${GOOS}" = "aix"; then
1087     ifmsghdr_name=IfMsgHdr
1088 fi
1089 grep '^type _if_msghdr ' gen-sysinfo.go | \
1090     sed -e "s/_if_msghdr/${ifmsghdr_name}/" \
1091                 -e 's/ifm_msglen/Msglen/' \
1092                 -e 's/ifm_version/Version/' \
1093                 -e 's/ifm_type/Type/' \
1094                 -e 's/ifm_addrs/Addrs/' \
1095                 -e 's/ifm_flags/Flags/' \
1096                 -e 's/ifm_index/Index/' \
1097                 -e 's/ifm_addrlen/Addrlen/' \
1098                 >> ${OUT}
1099
1100 # The if_announcemsghdr struct.
1101 grep '^type _if_announcemsghdr ' gen-sysinfo.go | \
1102     sed -e 's/_if_announcemsghdr/IfAnnounceMsghdr/g' \
1103         -e 's/ifan_msglen/Msglen/' \
1104         -e 's/ifan_version/Version/' \
1105         -e 's/ifan_type/Type/' \
1106         -e 's/ifan_index/Index/' \
1107         -e 's/ifan_name/Name/' \
1108         -e 's/ifan_what/What/' \
1109       >> ${OUT}
1110
1111 # The interface information types and flags.
1112 grep '^const _IFA' gen-sysinfo.go | \
1113     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1114 grep '^const _IFLA' gen-sysinfo.go | \
1115     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1116 grep '^const _IFF' gen-sysinfo.go | \
1117     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1118 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1119     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1120 grep '^const _SIOC' gen-sysinfo.go | \
1121     grep -v '_val =' | \
1122     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1123
1124 if ! grep '^const SIOCGIFMTU' ${OUT} >/dev/null 2>&1; then
1125         if grep '^const _SIOCGIFMTU_val' ${OUT} >/dev/null 2>&1; then
1126                 echo 'const SIOCGIFMTU = _SIOCGIFMTU_val' >> ${OUT}
1127         fi
1128 fi
1129
1130 # The ifaddrmsg struct.
1131 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1132     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1133       -e 's/ifa_family/Family/' \
1134       -e 's/ifa_prefixlen/Prefixlen/' \
1135       -e 's/ifa_flags/Flags/' \
1136       -e 's/ifa_scope/Scope/' \
1137       -e 's/ifa_index/Index/' \
1138     >> ${OUT}
1139
1140 # The ifa_msghdr struct.
1141 grep '^type _ifa_msghdr ' gen-sysinfo.go | \
1142     sed -e 's/_ifa_msghdr/IfaMsghdr/g' \
1143         -e 's/ifam_msglen/Msglen/' \
1144         -e 's/ifam_version/Version/' \
1145         -e 's/ifam_type/Type/' \
1146         -e 's/ifam_addrs/Addrs/' \
1147         -e 's/ifam_flags/Flags/' \
1148         -e 's/ifam_metric/Metric/' \
1149         -e 's/ifam_index/Index/' \
1150       >> ${OUT}
1151
1152 # The rtattr struct.
1153 grep '^type _rtattr ' gen-sysinfo.go | \
1154     sed -e 's/_rtattr/RtAttr/' \
1155       -e 's/rta_len/Len/' \
1156       -e 's/rta_type/Type/' \
1157     >> ${OUT}
1158
1159 # The bpf_version struct.
1160 grep '^type _bpf_version ' gen-sysinfo.go | \
1161     sed -e 's/_bpf_version/BpfVersion/g' \
1162         -e 's/bv_major/Major/' \
1163         -e 's/bv_minor/Minor/' \
1164       >> ${OUT}
1165
1166 # The bpf_stat struct.
1167 grep '^type _bpf_stat ' gen-sysinfo.go | \
1168     sed -e 's/_bpf_stat/BpfStat/g' \
1169         -e 's/bs_recv/Recv/' \
1170         -e 's/bs_drop/Drop/' \
1171         -e 's/bs_capt/Capt/' \
1172         -e 's/bs_padding/Padding/' \
1173       >> ${OUT}
1174
1175 # The bpf_insn struct.
1176 grep '^type _bpf_insn ' gen-sysinfo.go | \
1177     sed -e 's/_bpf_insn/BpfInsn/g' \
1178         -e 's/code/Code/' \
1179         -e 's/jt/Jt/' \
1180         -e 's/jf/Jf/' \
1181         -e 's/k/K/' \
1182       >> ${OUT}
1183
1184 # The bpf_program struct.
1185 grep '^type _bpf_program ' gen-sysinfo.go | \
1186     sed -e 's/_bpf_program/BpfProgram/g' \
1187         -e 's/bf_len/Len/' \
1188         -e 's/bf_insns/Insns/' \
1189         -e 's/_bpf_insn/BpfInsn/' \
1190       >> ${OUT}
1191
1192 # The BPF ioctl constants.
1193 grep '^const _BIOC' gen-sysinfo.go | \
1194     grep -v '_val =' | \
1195     sed -e 's/^\(const \)_\(BIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1196 for c in BIOCFLUSH BIOCGBLEN BIOCGDLT BIOCGETIF BIOCGHDRCMPLT BIOCGRTIMEOUT \
1197          BIOCGSTATS BIOCIMMEDIATE BIOCPROMISC BIOCSBLEN BIOCSDLT BIOCSETF \
1198          BIOCSETIF BIOCSHDRCMPLT BIOCSRTIMEOUT BIOCVERSION
1199 do
1200   if ! grep "^const ${c}" ${OUT} >/dev/null 2>&1; then
1201     if grep "^const _${c}_val" ${OUT} >/dev/null 2>&1; then
1202       echo "const ${c} = _${c}_val" >> ${OUT}
1203     fi
1204   fi
1205 done
1206
1207 # The in_pktinfo struct.
1208 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1209     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1210       -e 's/ipi_ifindex/Ifindex/' \
1211       -e 's/ipi_spec_dst/Spec_dst/' \
1212       -e 's/ipi_addr/Addr/' \
1213       -e 's/_in_addr/[4]byte/g' \
1214     >> ${OUT}
1215
1216 # The in6_pktinfo struct.
1217 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1218     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1219       -e 's/ipi6_addr/Addr/' \
1220       -e 's/ipi6_ifindex/Ifindex/' \
1221       -e 's/_in6_addr/[16]byte/' \
1222     >> ${OUT}
1223
1224 # The termios struct.
1225 grep '^type _termios ' gen-sysinfo.go | \
1226     sed -e 's/_termios/Termios/' \
1227       -e 's/c_iflag/Iflag/' \
1228       -e 's/c_oflag/Oflag/' \
1229       -e 's/c_cflag/Cflag/' \
1230       -e 's/c_lflag/Lflag/' \
1231       -e 's/c_line/Line/' \
1232       -e 's/c_cc/Cc/' \
1233       -e 's/c_ispeed/Ispeed/' \
1234       -e 's/c_ospeed/Ospeed/' \
1235     >> ${OUT}
1236
1237 # The termios constants.
1238 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1239     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1240     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1241     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1242     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1243     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1244     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1245     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1246     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1247     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1248     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1249     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1250
1251     grep "^const _$n " gen-sysinfo.go | \
1252         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1253 done
1254
1255 # The mount flags
1256 grep '^const _MNT_' gen-sysinfo.go |
1257     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1258 grep '^const _MS_' gen-sysinfo.go |
1259     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1260
1261 # The fallocate flags.
1262 grep '^const _FALLOC_' gen-sysinfo.go |
1263     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1264
1265 # The statfs struct.
1266 # Prefer largefile variant if available.
1267 # CentOS 5 does not have f_flags, so pull from f_spare.
1268 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1269 if test "$statfs" = ""; then
1270   statfs=`grep '^type _statfs ' gen-sysinfo.go || true`
1271 fi
1272 if ! echo "$statfs" | grep f_flags >/dev/null 2>&1; then
1273   statfs=`echo "$statfs" | sed -e 's/f_spare \[4+1\]\([^ ;]*\)/f_flags \1; f_spare [3+1]\1/'`
1274 fi
1275 echo "$statfs" | sed -e 's/type _statfs64/type Statfs_t/' \
1276          -e 's/type _statfs/type Statfs_t/' \
1277          -e 's/f_type/Type/' \
1278          -e 's/f_bsize/Bsize/' \
1279          -e 's/f_blocks/Blocks/' \
1280          -e 's/f_bfree/Bfree/' \
1281          -e 's/f_bavail/Bavail/' \
1282          -e 's/f_files/Files/' \
1283          -e 's/f_ffree/Ffree/' \
1284          -e 's/f_fsid/Fsid/' \
1285          -e 's/f_namelen/Namelen/' \
1286          -e 's/f_frsize/Frsize/' \
1287          -e 's/f_flags/Flags/' \
1288          -e 's/f_spare/Spare/' \
1289     >> ${OUT}
1290
1291 # The timex struct.
1292 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1293 if test "$timex" = ""; then
1294   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1295   if test "$timex" != ""; then
1296     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1297   fi
1298 fi
1299 if test "$timex" != ""; then
1300   echo "$timex" | \
1301     sed -e 's/_timex/Timex/' \
1302       -e 's/modes/Modes/' \
1303       -e 's/offset/Offset/' \
1304       -e 's/freq/Freq/' \
1305       -e 's/maxerror/Maxerror/' \
1306       -e 's/esterror/Esterror/' \
1307       -e 's/status/Status/' \
1308       -e 's/constant/Constant/' \
1309       -e 's/precision/Precision/' \
1310       -e 's/tolerance/Tolerance/' \
1311       -e 's/ time / Time /' \
1312       -e 's/tick/Tick/' \
1313       -e 's/ppsfreq/Ppsfreq/' \
1314       -e 's/jitter/Jitter/' \
1315       -e 's/shift/Shift/' \
1316       -e 's/stabil/Stabil/' \
1317       -e 's/jitcnt/Jitcnt/' \
1318       -e 's/calcnt/Calcnt/' \
1319       -e 's/errcnt/Errcnt/' \
1320       -e 's/stbcnt/Stbcnt/' \
1321       -e 's/tai/Tai/' \
1322       -e 's/_timeval/Timeval/' \
1323     >> ${OUT}
1324 fi
1325
1326 # The rlimit struct.
1327 # On systems that use syscall/libcall_posix_largefile.go, use rlimit64
1328 # if it exists.
1329 rlimit="_rlimit"
1330 if test "${GOOS}" = "aix" || test "${GOOS}" = "linux" || (test "${GOOS}" = "solaris" && (test "${GOARCH}" = "386" || test "${GOARCH}" = "sparc")); then
1331   if grep '^type _rlimit64 ' gen-sysinfo.go > /dev/null 2>&1; then
1332     rlimit="_rlimit64"
1333   fi
1334 fi
1335 grep "^type ${rlimit} " gen-sysinfo.go | \
1336     sed -e "s/${rlimit}/Rlimit/" \
1337       -e 's/rlim_cur/Cur/' \
1338       -e 's/rlim_max/Max/' \
1339     >> ${OUT}
1340
1341 # The RLIMIT constants.
1342 grep '^const _RLIMIT_' gen-sysinfo.go |
1343     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1344 grep '^const _RLIM_' gen-sysinfo.go |
1345     grep -v '^const _RLIM_INFINITY ' |
1346     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1347 rliminf=""
1348 if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
1349   rliminf=`grep '^const _RLIM64_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1350 else
1351   rliminf=`grep '^const _RLIM_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
1352 fi
1353 # For compatibility with the gc syscall package, treat 0xffffffffffffffff as -1.
1354 if test "$rliminf" = "0xffffffffffffffff"; then
1355   echo "const RLIM_INFINITY = -1" >> ${OUT}
1356 elif test -n "$rliminf"; then
1357   echo "const RLIM_INFINITY = $rliminf" >> ${OUT}
1358 fi
1359
1360 # The sysinfo struct.
1361 grep '^type _sysinfo ' gen-sysinfo.go | \
1362     sed -e 's/_sysinfo/Sysinfo_t/' \
1363       -e 's/uptime/Uptime/' \
1364       -e 's/loads/Loads/' \
1365       -e 's/totalram/Totalram/' \
1366       -e 's/freeram/Freeram/' \
1367       -e 's/sharedram/Sharedram/' \
1368       -e 's/bufferram/Bufferram/' \
1369       -e 's/totalswap/Totalswap/' \
1370       -e 's/freeswap/Freeswap/' \
1371       -e 's/procs/Procs/' \
1372       -e 's/totalhigh/Totalhigh/' \
1373       -e 's/freehigh/Freehigh/' \
1374       -e 's/mem_unit/Unit/' \
1375     >> ${OUT}
1376
1377 # The utimbuf struct.
1378 grep '^type _utimbuf ' gen-sysinfo.go | \
1379     sed -e 's/_utimbuf/Utimbuf/' \
1380       -e 's/actime/Actime/' \
1381       -e 's/modtime/Modtime/' \
1382     >> ${OUT}
1383
1384 # The LOCK flags for flock.
1385 grep '^const _LOCK_' gen-sysinfo.go |
1386     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1387
1388 # The PRIO constants.
1389 grep '^const _PRIO_' gen-sysinfo.go | \
1390   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1391
1392 # The GNU/Linux LINUX_REBOOT flags.
1393 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1394     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1395
1396 # The GNU/Linux sock_filter struct.
1397 grep '^type _sock_filter ' gen-sysinfo.go | \
1398     sed -e 's/_sock_filter/SockFilter/' \
1399       -e 's/code/Code/' \
1400       -e 's/jt/Jt/' \
1401       -e 's/jf/Jf/' \
1402       -e 's/k /K /' \
1403     >> ${OUT}
1404
1405 # The GNU/Linux sock_fprog struct.
1406 grep '^type _sock_fprog ' gen-sysinfo.go | \
1407     sed -e 's/_sock_fprog/SockFprog/' \
1408       -e 's/len/Len/' \
1409       -e 's/filter/Filter/' \
1410       -e 's/_sock_filter/SockFilter/' \
1411     >> ${OUT}
1412
1413 # The GNU/Linux filter flags.
1414 grep '^const _BPF_' gen-sysinfo.go | \
1415   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1416
1417 # The GNU/Linux nlattr struct.
1418 grep '^type _nlattr ' gen-sysinfo.go | \
1419     sed -e 's/_nlattr/NlAttr/' \
1420       -e 's/nla_len/Len/' \
1421       -e 's/nla_type/Type/' \
1422     >> ${OUT}
1423
1424 # The GNU/Linux nlmsgerr struct.
1425 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1426     sed -e 's/_nlmsgerr/NlMsgerr/' \
1427       -e 's/error/Error/' \
1428       -e 's/msg/Msg/' \
1429       -e 's/_nlmsghdr/NlMsghdr/' \
1430     >> ${OUT}
1431
1432 # The GNU/Linux rtnexthop struct.
1433 grep '^type _rtnexthop ' gen-sysinfo.go | \
1434     sed -e 's/_rtnexthop/RtNexthop/' \
1435       -e 's/rtnh_len/Len/' \
1436       -e 's/rtnh_flags/Flags/' \
1437       -e 's/rtnh_hops/Hops/' \
1438       -e 's/rtnh_ifindex/Ifindex/' \
1439     >> ${OUT}
1440
1441 # The GNU/Linux netlink flags.
1442 grep '^const _NETLINK_' gen-sysinfo.go | \
1443   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1444 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1445   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1446
1447 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1448   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1449     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1450   fi
1451 fi
1452
1453 # The GNU/Linux packet socket flags.
1454 grep '^const _PACKET_' gen-sysinfo.go | \
1455   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1456
1457 # The GNU/Linux inotify_event struct.
1458 grep '^type _inotify_event ' gen-sysinfo.go | \
1459     sed -e 's/_inotify_event/InotifyEvent/' \
1460       -e 's/wd/Wd/' \
1461       -e 's/mask/Mask/' \
1462       -e 's/cookie/Cookie/' \
1463       -e 's/len/Len/' \
1464       -e 's/name/Name/' \
1465       -e 's/\[\]/[0]/' \
1466       -e 's/\[0\]byte/[0]int8/' \
1467     >> ${OUT}
1468
1469 # The GNU/Linux CLONE flags.
1470 grep '^const _CLONE_' gen-sysinfo.go | \
1471   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1472 # We need some CLONE constants that are not defined in older versions
1473 # of glibc.
1474 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1475   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1476 fi
1477 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1478   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1479 fi
1480
1481 # Struct sizes.
1482 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1483     ifaddrmsg IfAddrmsg ifa_msghdr IfaMsghdr ifinfomsg IfInfomsg \
1484     if_msghdr IfMsghdr in_pktinfo Inet4Pktinfo in6_pktinfo Inet6Pktinfo \
1485     inotify_event InotifyEvent linger Linger msghdr Msghdr nlattr NlAttr \
1486     nlmsgerr NlMsgerr nlmsghdr NlMsghdr rtattr RtAttr rt_msghdr RtMsghdr \
1487     rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1488     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1489     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1490 while test $# != 0; do
1491     nc=$1
1492     ngo=$2
1493     shift
1494     shift
1495     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1496         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1497     fi
1498 done
1499
1500 # In order to compile the net package, we need some sizes to exist
1501 # even if the types do not.
1502 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1503     echo 'const SizeofIPMreq = 8' >> ${OUT}
1504 fi
1505 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1506     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1507 fi
1508 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1509     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1510 fi
1511 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1512     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1513 fi
1514
1515 # Type 'uint128' is needed in a couple of type definitions on arm64,such
1516 # as _user_fpsimd_struct, _elf_fpregset_t, etc.
1517 if ! grep '^type uint128' ${OUT} > /dev/null 2>&1; then
1518     echo "type uint128 [16]byte" >> ${OUT}
1519 fi
1520
1521 exit $?