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.
   8
   9 # This shell script creates the sysinfo.go file which holds types and
  10 # constants extracted from the system header files.  This relies on a
  11 # hook in gcc: the -fdump-go-spec option will generate debugging
  12 # information in Go syntax.
  13
  14 # We currently #include all the files at once, which works, but leads
  15 # to exposing some names which ideally should not be exposed, as they
  16 # match grep patterns.  E.g., WCHAR_MIN gets exposed because it starts
  17 # with W, like the wait flags.
  18
  19 CC=${CC:-gcc}
  20 OUT=tmp-sysinfo.go
  21
  22 set -e
  23
  24 rm -f sysinfo.c
  25 cat > sysinfo.c <<EOF
  26 #include "config.h"
  27
  28 #include <sys/types.h>
  29 #include <dirent.h>
  30 #include <errno.h>
  31 #include <fcntl.h>
  32 #include <netinet/in.h>
  33 /* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
  34    included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
  35    && !_XOPEN_SOURCE.
  36    <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
  37    <sys/ttold.h> does so unconditionally.  */
  38 #ifdef __sgi__
  39 #include <sys/bsd_types.h>
  40 #include <sys/ttold.h>
  41 #endif
  42 #include <netinet/tcp.h>
  43 #if defined(HAVE_NETINET_IN_SYSTM_H)
  44 #include <netinet/in_systm.h>
  45 #endif
  46 #if defined(HAVE_NETINET_IP_H)
  47 #include <netinet/ip.h>
  48 #endif
  49 #if defined(HAVE_NETINET_IP_MROUTE_H)
  50 #include <netinet/ip_mroute.h>
  51 #endif
  52 #if defined(HAVE_NETINET_IF_ETHER_H)
  53 #include <netinet/if_ether.h>
  54 #endif
  55 #include <signal.h>
  56 #include <sys/ioctl.h>
  57 #include <termios.h>
  58 #if defined(HAVE_SYSCALL_H)
  59 #include <syscall.h>
  60 #endif
  61 #if defined(HAVE_SYS_SYSCALL_H)
  62 #include <sys/syscall.h>
  63 #endif
  64 #if defined(HAVE_SYS_EPOLL_H)
  65 #include <sys/epoll.h>
  66 #endif
  67 #if defined(HAVE_SYS_FILE_H)
  68 #include <sys/file.h>
  69 #endif
  70 #if defined(HAVE_SYS_MMAN_H)
  71 #include <sys/mman.h>
  72 #endif
  73 #if defined(HAVE_SYS_PRCTL_H)
  74 #include <sys/prctl.h>
  75 #endif
  76 #if defined(HAVE_SYS_PTRACE_H)
  77 #include <sys/ptrace.h>
  78 #endif
  79 #include <sys/resource.h>
  80 #include <sys/uio.h>
  81 #include <sys/socket.h>
  82 #include <sys/stat.h>
  83 #include <sys/time.h>
  84 #include <sys/times.h>
  85 #include <sys/wait.h>
  86 #include <sys/un.h>
  87 #if defined(HAVE_SYS_USER_H)
  88 #include <sys/user.h>
  89 #endif
  90 #if defined(HAVE_SYS_UTSNAME_H)
  91 #include <sys/utsname.h>
  92 #endif
  93 #if defined(HAVE_SYS_SELECT_H)
  94 #include <sys/select.h>
  95 #endif
  96 #include <time.h>
  97 #include <unistd.h>
  98 #include <netdb.h>
  99 #include <pwd.h>
 100 #if defined(HAVE_LINUX_FILTER_H)
 101 #include <linux/filter.h>
 102 #endif
 103 #if defined(HAVE_LINUX_IF_ADDR_H)
 104 #include <linux/if_addr.h>
 105 #endif
 106 #if defined(HAVE_LINUX_IF_ETHER_H)
 107 #include <linux/if_ether.h>
 108 #endif
 109 #if defined(HAVE_LINUX_IF_TUN_H)
 110 #include <linux/if_tun.h>
 111 #endif
 112 #if defined(HAVE_LINUX_NETLINK_H)
 113 #include <linux/netlink.h>
 114 #endif
 115 #if defined(HAVE_LINUX_RTNETLINK_H)
 116 #include <linux/rtnetlink.h>
 117 #endif
 118 #if defined(HAVE_NET_IF_H)
 119 #include <net/if.h>
 120 #endif
 121 #if defined(HAVE_NET_IF_ARP_H)
 122 #include <net/if_arp.h>
 123 #endif
 124 #if defined(HAVE_NET_ROUTE_H)
 125 #include <net/route.h>
 126 #endif
 127 #if defined (HAVE_NETPACKET_PACKET_H)
 128 #include <netpacket/packet.h>
 129 #endif
 130 #if defined(HAVE_SYS_MOUNT_H)
 131 #include <sys/mount.h>
 132 #endif
 133 #if defined(HAVE_SYS_VFS_H)
 134 #include <sys/vfs.h>
 135 #endif
 136 #if defined(HAVE_STATFS_H)
 137 #include <sys/statfs.h>
 138 #endif
 139 #if defined(HAVE_SYS_TIMEX_H)
 140 #include <sys/timex.h>
 141 #endif
 142 #if defined(HAVE_SYS_SYSINFO_H)
 143 #include <sys/sysinfo.h>
 144 #endif
 145 #if defined(HAVE_USTAT_H)
 146 #include <ustat.h>
 147 #endif
 148 #if defined(HAVE_UTIME_H)
 149 #include <utime.h>
 150 #endif
 151 #if defined(HAVE_LINUX_ETHER_H)
 152 #include <linux/ether.h>
 153 #endif
 154 #if defined(HAVE_LINUX_FS_H)
 155 #include <linux/fs.h>
 156 #endif
 157 #if defined(HAVE_LINUX_REBOOT_H)
 158 #include <linux/reboot.h>
 159 #endif
 160 #if defined(HAVE_SYS_INOTIFY_H)
 161 #include <sys/inotify.h>
 162 #endif
 163
 164 /* Constants that may only be defined as expressions on some systems,
 165    expressions too complex for -fdump-go-spec to handle.  These are
 166    handled specially below.  */
 167 enum {
 168 #ifdef TIOCGWINSZ
 169   TIOCGWINSZ_val = TIOCGWINSZ,
 170 #endif
 171 };
 172 EOF
 173
 174 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 175
 176 echo 'package syscall' > ${OUT}
 177 echo 'import "unsafe"' >> ${OUT}
 178 echo 'type _ unsafe.Pointer' >> ${OUT}
 179
 180 # Get all the consts and types, skipping ones which could not be
 181 # represented in Go and ones which we need to rewrite.  We also skip
 182 # function declarations, as we don't need them here.  All the symbols
 183 # will all have a leading underscore.
 184 grep -v '^// ' gen-sysinfo.go | \
 185   grep -v '^func' | \
 186   grep -v '^type _timeval ' | \
 187   grep -v '^type _timespec_t ' | \
 188   grep -v '^type _timespec ' | \
 189   grep -v '^type _timestruc_t ' | \
 190   grep -v '^type _epoll_' | \
 191   grep -v 'in6_addr' | \
 192   grep -v 'sockaddr_in6' | \
 193   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 194       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 195       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 196       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 197     >> ${OUT}
 198
 199 # The errno constants.  These get type Errno.
 200 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 201   egrep '#define E[A-Z0-9_]+ ' | \
 202   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 203
 204 # The O_xxx flags.
 205 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 206   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 207 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 208   echo "const O_ASYNC = 0" >> ${OUT}
 209 fi
 210 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 211   echo "const O_CLOEXEC = 0" >> ${OUT}
 212 fi
 213
 214 # These flags can be lost on i386 GNU/Linux when using
 215 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 216 # before we see the definition of F_SETLK64.
 217 for flag in F_GETLK F_SETLK F_SETLKW; do
 218   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 219       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 220     echo "const ${flag} = ${flag}64" >> ${OUT}
 221   fi
 222 done
 223
 224 # The signal numbers.
 225 grep '^const _SIG[^_]' gen-sysinfo.go | \
 226   grep -v '^const _SIGEV_' | \
 227   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 228
 229 # The syscall numbers.  We force the names to upper case.
 230 grep '^const _SYS_' gen-sysinfo.go | \
 231   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 232   while read sys; do
 233     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 234     echo "const $sup = _$sys" >> ${OUT}
 235   done
 236
 237 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 238 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 239   echo "const SYS_GETDENTS = 0" >> ${OUT}
 240 fi
 241 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 242   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 243 fi
 244
 245 # Stat constants.
 246 grep '^const _S_' gen-sysinfo.go | \
 247   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 248
 249 # Mmap constants.
 250 grep '^const _PROT_' gen-sysinfo.go | \
 251   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 252 grep '^const _MAP_' gen-sysinfo.go | \
 253   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 254 grep '^const _MADV_' gen-sysinfo.go | \
 255   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 256 grep '^const _MCL_' gen-sysinfo.go | \
 257   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 258
 259 # Process status constants.
 260 grep '^const _W' gen-sysinfo.go |
 261   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 262 # WSTOPPED was introduced in glibc 2.3.4.
 263 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 264   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 265     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 266   else
 267     echo 'const WSTOPPED = 2' >> ${OUT}
 268   fi
 269 fi
 270 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 271    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 272   echo 'const WALL = ___WALL' >> ${OUT}
 273 fi
 274
 275 # Networking constants.
 276 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 277   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 278 grep '^const _SOMAXCONN' gen-sysinfo.go |
 279   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 280     >> ${OUT}
 281 grep '^const _SHUT_' gen-sysinfo.go |
 282   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 283
 284 # The net package requires some const definitions.
 285 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 286   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 287     echo "const $m = 0" >> ${OUT}
 288   fi
 289 done
 290
 291 # pathconf constants.
 292 grep '^const __PC' gen-sysinfo.go |
 293   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 294
 295 # The PATH_MAX constant.
 296 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 297   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 298 fi
 299
 300 # epoll constants.
 301 grep '^const _EPOLL' gen-sysinfo.go |
 302   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 303 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 304 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 305   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 306 fi
 307 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 308   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 309 fi
 310
 311 # Prctl constants.
 312 grep '^const _PR_' gen-sysinfo.go |
 313   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 314
 315 # Ptrace constants.
 316 grep '^const _PTRACE' gen-sysinfo.go |
 317   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 318 # We need some ptrace options that are not defined in older versions
 319 # of glibc.
 320 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 321   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 322 fi
 323 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 324   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 325 fi
 326 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 327   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 328 fi
 329 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 330   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 331 fi
 332 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 333   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 334 fi
 335 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 336   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 337 fi
 338 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 339   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 340 fi
 341 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 342   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 343 fi
 344 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 345   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 346 fi
 347 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 348   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 349 fi
 350 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 351   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 352 fi
 353 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 354   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 355 fi
 356 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 357   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 358 fi
 359 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 360   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 361 fi
 362 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 363   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 364 fi
 365 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 366   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 367 fi
 368 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 369   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 370 fi
 371
 372 # The registers returned by PTRACE_GETREGS.  This is probably
 373 # GNU/Linux specific; it should do no harm if there is no
 374 # _user_regs_struct.
 375 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 376 if test "$regs" != ""; then
 377   regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'`
 378   regs=`echo $regs | sed -e s'/^ *//'`
 379   nregs=
 380   while test -n "$regs"; do
 381     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 382     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 383     # Capitalize the first character of the field.
 384     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 385     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 386     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 387     field="$f$r"
 388     nregs="$nregs $field;"
 389   done
 390   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 391 fi
 392
 393 # Some basic types.
 394 echo 'type Size_t _size_t' >> ${OUT}
 395 echo "type Ssize_t _ssize_t" >> ${OUT}
 396 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 397   echo "type Offset_t _off64_t" >> ${OUT}
 398 else
 399   echo "type Offset_t _off_t" >> ${OUT}
 400 fi
 401 echo "type Mode_t _mode_t" >> ${OUT}
 402 echo "type Pid_t _pid_t" >> ${OUT}
 403 echo "type Uid_t _uid_t" >> ${OUT}
 404 echo "type Gid_t _gid_t" >> ${OUT}
 405 echo "type Socklen_t _socklen_t" >> ${OUT}
 406
 407 # The long type, needed because that is the type that ptrace returns.
 408 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 409 if test "$sizeof_long" = "4"; then
 410   echo "type _C_long int32" >> ${OUT}
 411 elif test "$sizeof_long" = "8"; then
 412   echo "type _C_long int64" >> ${OUT}
 413 else
 414   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 415   exit 1
 416 fi
 417
 418 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 419 # double is commented by -fdump-go-spec.
 420 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 421   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 422 fi
 423 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 424   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 425 fi
 426
 427 # The time_t type.
 428 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 429   echo 'type Time_t _time_t' >> ${OUT}
 430 fi
 431
 432 # The time structures need special handling: we need to name the
 433 # types, so that we can cast integers to the right types when
 434 # assigning to the structures.
 435 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 436 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 437 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 438 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 439 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 440 echo $timeval | \
 441   sed -e 's/type _timeval /type Timeval /' \
 442       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 443       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 444 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 445 if test "$timespec" = ""; then
 446   # IRIX 6.5 has __timespec instead.
 447   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 448 fi
 449 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 450 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 451 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 452 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 453 echo $timespec | \
 454   sed -e 's/^type ___timespec /type Timespec /' \
 455       -e 's/^type _timespec /type Timespec /' \
 456       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 457       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 458
 459 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 460 if test "$timestruc" != ""; then
 461   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 462   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 463   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 464   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 465   echo $timestruc | \
 466     sed -e 's/^type _timestruc_t /type Timestruc /' \
 467         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 468         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 469 fi
 470
 471 # The tms struct.
 472 grep '^type _tms ' gen-sysinfo.go | \
 473     sed -e 's/type _tms/type Tms/' \
 474       -e 's/tms_utime/Utime/' \
 475       -e 's/tms_stime/Stime/' \
 476       -e 's/tms_cutime/Cutime/' \
 477       -e 's/tms_cstime/Cstime/' \
 478     >> ${OUT}
 479
 480 # The stat type.
 481 # Prefer largefile variant if available.
 482 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 483 if test "$stat" != ""; then
 484   grep '^type _stat64 ' gen-sysinfo.go
 485 else
 486   grep '^type _stat ' gen-sysinfo.go
 487 fi | sed -e 's/type _stat64/type Stat_t/' \
 488          -e 's/type _stat/type Stat_t/' \
 489          -e 's/st_dev/Dev/' \
 490          -e 's/st_ino/Ino/g' \
 491          -e 's/st_nlink/Nlink/' \
 492          -e 's/st_mode/Mode/' \
 493          -e 's/st_uid/Uid/' \
 494          -e 's/st_gid/Gid/' \
 495          -e 's/st_rdev/Rdev/' \
 496          -e 's/st_size/Size/' \
 497          -e 's/st_blksize/Blksize/' \
 498          -e 's/st_blocks/Blocks/' \
 499          -e 's/st_atim/Atim/' \
 500          -e 's/st_mtim/Mtim/' \
 501          -e 's/st_ctim/Ctim/' \
 502          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 503          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 504          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 505          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 506          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 507        >> ${OUT}
 508
 509 # The directory searching types.
 510 # Prefer largefile variant if available.
 511 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 512 if test "$dirent" != ""; then
 513   grep '^type _dirent64 ' gen-sysinfo.go
 514 else
 515   grep '^type _dirent ' gen-sysinfo.go
 516 fi | sed -e 's/type _dirent64/type Dirent/' \
 517          -e 's/type _dirent/type Dirent/' \
 518          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 519          -e 's/d_name/Name/' \
 520          -e 's/]int8/]byte/' \
 521          -e 's/d_ino/Ino/' \
 522          -e 's/d_off/Off/' \
 523          -e 's/d_reclen/Reclen/' \
 524          -e 's/d_type/Type/' \
 525       >> ${OUT}
 526 echo "type DIR _DIR" >> ${OUT}
 527
 528 # Values for d_type field in dirent.
 529 grep '^const _DT_' gen-sysinfo.go |
 530   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 531
 532 # The rusage struct.
 533 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 534 if test "$rusage" != ""; then
 535   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 536   rusage=`echo $rusage | sed -e 's/Godump_[0-9]* struct {\([^}]*\)};/\1/g'`
 537   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 538   rusage=`echo $rusage | sed -e 's/^ *//'`
 539   nrusage=
 540   while test -n "$rusage"; do
 541     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 542     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 543     # Drop the leading ru_, capitalize the next character.
 544     field=`echo $field | sed -e 's/^ru_//'`
 545     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 546     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 547     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 548     # Fix _timeval _timespec, and _timestruc_t.
 549     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 550     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 551     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 552     field="$f$r"
 553     nrusage="$nrusage $field;"
 554   done
 555   echo "type Rusage struct {$nrusage }" >> ${OUT}
 556 else
 557   echo "type Rusage struct {}" >> ${OUT}
 558 fi
 559
 560 # The RUSAGE constants.
 561 grep '^const _RUSAGE_' gen-sysinfo.go | \
 562   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 563
 564 # The utsname struct.
 565 grep '^type _utsname ' gen-sysinfo.go | \
 566     sed -e 's/_utsname/Utsname/' \
 567       -e 's/sysname/Sysname/' \
 568       -e 's/nodename/Nodename/' \
 569       -e 's/release/Release/' \
 570       -e 's/version/Version/' \
 571       -e 's/machine/Machine/' \
 572       -e 's/domainname/Domainname/' \
 573     >> ${OUT}
 574
 575 # The iovec struct.
 576 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 577 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 578 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 579 echo $iovec | \
 580     sed -e 's/_iovec/Iovec/' \
 581       -e 's/iov_base/Base/' \
 582       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 583     >> ${OUT}
 584
 585 # The msghdr struct.
 586 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 587 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 588 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 589 echo $msghdr | \
 590     sed -e 's/_msghdr/Msghdr/' \
 591       -e 's/msg_name/Name/' \
 592       -e 's/msg_namelen/Namelen/' \
 593       -e 's/msg_iov/Iov/' \
 594       -e 's/msg_iovlen/Iovlen/' \
 595       -e 's/_iovec/Iovec/' \
 596       -e 's/msg_control/Control/' \
 597       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 598       -e 's/msg_flags/Flags/' \
 599     >> ${OUT}
 600
 601 # The MSG_ flags for Msghdr.
 602 grep '^const _MSG_' gen-sysinfo.go | \
 603   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 604
 605 # The cmsghdr struct.
 606 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 607 if test -n "$cmsghdr"; then
 608   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 609   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 610   echo "$cmsghdr" | \
 611       sed -e 's/_cmsghdr/Cmsghdr/' \
 612         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 613         -e 's/cmsg_level/Level/' \
 614         -e 's/cmsg_type/Type/' \
 615         -e 's/\[\]/[0]/' \
 616       >> ${OUT}
 617 fi
 618
 619 # The SCM_ flags for Cmsghdr.
 620 grep '^const _SCM_' gen-sysinfo.go | \
 621   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 622
 623 # The ucred struct.
 624 grep '^type _ucred ' gen-sysinfo.go | \
 625     sed -e 's/_ucred/Ucred/' \
 626       -e 's/pid/Pid/' \
 627       -e 's/uid/Uid/' \
 628       -e 's/gid/Gid/' \
 629     >> ${OUT}
 630
 631 # The ip_mreq struct.
 632 grep '^type _ip_mreq ' gen-sysinfo.go | \
 633     sed -e 's/_ip_mreq/IPMreq/' \
 634       -e 's/imr_multiaddr/Multiaddr/' \
 635       -e 's/imr_interface/Interface/' \
 636       -e 's/_in_addr/[4]byte/g' \
 637     >> ${OUT}
 638
 639 # We need IPMreq to compile the net package.
 640 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 641   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 642 fi
 643
 644 # The ipv6_mreq struct.
 645 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 646     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 647       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 648       -e 's/ipv6mr_interface/Interface/' \
 649       -e 's/_in6_addr/[16]byte/' \
 650     >> ${OUT}
 651
 652 # We need IPv6Mreq to compile the net package.
 653 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 654   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 655 fi
 656
 657 # The ip_mreqn struct.
 658 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 659     sed -e 's/_ip_mreqn/IPMreqn/' \
 660       -e 's/imr_multiaddr/Multiaddr/' \
 661       -e 's/imr_address/Address/' \
 662       -e 's/imr_ifindex/Ifindex/' \
 663       -e 's/_in_addr/[4]byte/g' \
 664     >> ${OUT}
 665
 666 # We need IPMreq to compile the net package.
 667 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 668   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 669 fi
 670
 671 # Try to guess the type to use for fd_set.
 672 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 673 fds_bits_type="_C_long"
 674 if test "$fd_set" != ""; then
 675     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 676 fi
 677 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 678
 679 # The addrinfo struct.
 680 grep '^type _addrinfo ' gen-sysinfo.go | \
 681     sed -e 's/_addrinfo/Addrinfo/g' \
 682       -e 's/ ai_/ Ai_/g' \
 683     >> ${OUT}
 684
 685 # The addrinfo flags and errors.
 686 grep '^const _AI_' gen-sysinfo.go | \
 687   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 688 grep '^const _EAI_' gen-sysinfo.go | \
 689   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 690
 691 # The passwd struct.
 692 grep '^type _passwd ' gen-sysinfo.go | \
 693     sed -e 's/_passwd/Passwd/' \
 694       -e 's/ pw_/ Pw_/g' \
 695     >> ${OUT}
 696
 697 # The ioctl flags for the controlling TTY.
 698 grep '^const _TIOC' gen-sysinfo.go | \
 699     grep -v '_val =' | \
 700     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 701 # We need TIOCGWINSZ.
 702 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 703   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 704     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 705   fi
 706 fi
 707
 708 # The ioctl flags for terminal control
 709 grep '^const _TC[GS]ET' gen-sysinfo.go | \
 710     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 711
 712 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 713 # needs handling in syscalls.exec.go.
 714 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 715   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 716     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 717   fi
 718 fi
 719
 720 # The nlmsghdr struct.
 721 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 722     sed -e 's/_nlmsghdr/NlMsghdr/' \
 723       -e 's/nlmsg_len/Len/' \
 724       -e 's/nlmsg_type/Type/' \
 725       -e 's/nlmsg_flags/Flags/' \
 726       -e 's/nlmsg_seq/Seq/' \
 727       -e 's/nlmsg_pid/Pid/' \
 728     >> ${OUT}
 729
 730 # The nlmsg flags and operators.
 731 grep '^const _NLM' gen-sysinfo.go | \
 732     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 733
 734 # NLMSG_HDRLEN is defined as an expression using sizeof.
 735 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 736   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 737     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 738   fi
 739 fi
 740
 741 # The rtmsg struct.
 742 grep '^type _rtmsg ' gen-sysinfo.go | \
 743     sed -e 's/_rtmsg/RtMsg/' \
 744       -e 's/rtm_family/Family/' \
 745       -e 's/rtm_dst_len/Dst_len/' \
 746       -e 's/rtm_src_len/Src_len/' \
 747       -e 's/rtm_tos/Tos/' \
 748       -e 's/rtm_table/Table/' \
 749       -e 's/rtm_protocol/Protocol/' \
 750       -e 's/rtm_scope/Scope/' \
 751       -e 's/rtm_type/Type/' \
 752       -e 's/rtm_flags/Flags/' \
 753     >> ${OUT}
 754
 755 # The rtgenmsg struct.
 756 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 757     sed -e 's/_rtgenmsg/RtGenmsg/' \
 758       -e 's/rtgen_family/Family/' \
 759     >> ${OUT}
 760
 761 # The routing message flags.
 762 grep '^const _RT_' gen-sysinfo.go | \
 763     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 764 grep '^const _RTA' gen-sysinfo.go | \
 765     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 766 grep '^const _RTF' gen-sysinfo.go | \
 767     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 768 grep '^const _RTCF' gen-sysinfo.go | \
 769     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 770 grep '^const _RTM' gen-sysinfo.go | \
 771     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 772 grep '^const _RTN' gen-sysinfo.go | \
 773     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 774 grep '^const _RTPROT' gen-sysinfo.go | \
 775     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 776
 777 # The ifinfomsg struct.
 778 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 779     sed -e 's/_ifinfomsg/IfInfomsg/' \
 780       -e 's/ifi_family/Family/' \
 781       -e 's/ifi_type/Type/' \
 782       -e 's/ifi_index/Index/' \
 783       -e 's/ifi_flags/Flags/' \
 784       -e 's/ifi_change/Change/' \
 785     >> ${OUT}
 786
 787 # The interface information types and flags.
 788 grep '^const _IFA' gen-sysinfo.go | \
 789     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 790 grep '^const _IFLA' gen-sysinfo.go | \
 791     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 792 grep '^const _IFF' gen-sysinfo.go | \
 793     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 794 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 795     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 796 grep '^const _SIOC' gen-sysinfo.go |
 797     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 798
 799 # The ifaddrmsg struct.
 800 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 801     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 802       -e 's/ifa_family/Family/' \
 803       -e 's/ifa_prefixlen/Prefixlen/' \
 804       -e 's/ifa_flags/Flags/' \
 805       -e 's/ifa_scope/Scope/' \
 806       -e 's/ifa_index/Index/' \
 807     >> ${OUT}
 808
 809 # The rtattr struct.
 810 grep '^type _rtattr ' gen-sysinfo.go | \
 811     sed -e 's/_rtattr/RtAttr/' \
 812       -e 's/rta_len/Len/' \
 813       -e 's/rta_type/Type/' \
 814     >> ${OUT}
 815
 816 # The in_pktinfo struct.
 817 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 818     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 819       -e 's/ipi_ifindex/Ifindex/' \
 820       -e 's/ipi_spec_dst/Spec_dst/' \
 821       -e 's/ipi_addr/Addr/' \
 822       -e 's/_in_addr/[4]byte/g' \
 823     >> ${OUT}
 824
 825 # The in6_pktinfo struct.
 826 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
 827     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
 828       -e 's/ipi6_addr/Addr/' \
 829       -e 's/ipi6_ifindex/Ifindex/' \
 830       -e 's/_in6_addr/[16]byte/' \
 831     >> ${OUT}
 832
 833 # The termios struct.
 834 grep '^type _termios ' gen-sysinfo.go | \
 835     sed -e 's/_termios/Termios/' \
 836       -e 's/c_iflag/Iflag/' \
 837       -e 's/c_oflag/Oflag/' \
 838       -e 's/c_cflag/Cflag/' \
 839       -e 's/c_lflag/Lflag/' \
 840       -e 's/c_line/Line/' \
 841       -e 's/c_cc/Cc/' \
 842       -e 's/c_ispeed/Ispeed/' \
 843       -e 's/c_ospeed/Ospeed/' \
 844     >> ${OUT}
 845
 846 # The termios constants.
 847 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
 848     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
 849     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
 850     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
 851     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
 852     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
 853     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
 854     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
 855     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
 856     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
 857     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
 858     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
 859
 860     grep "^const _$n " gen-sysinfo.go | \
 861         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 862 done
 863
 864 # The mount flags
 865 grep '^const _MNT_' gen-sysinfo.go |
 866     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 867 grep '^const _MS_' gen-sysinfo.go |
 868     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 869
 870 # The fallocate flags.
 871 grep '^const _FALLOC_' gen-sysinfo.go |
 872     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 873
 874 # The statfs struct.
 875 # Prefer largefile variant if available.
 876 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
 877 if test "$statfs" != ""; then
 878   grep '^type _statfs64 ' gen-sysinfo.go
 879 else
 880   grep '^type _statfs ' gen-sysinfo.go
 881 fi | sed -e 's/type _statfs64/type Statfs_t/' \
 882          -e 's/type _statfs/type Statfs_t/' \
 883          -e 's/f_type/Type/' \
 884          -e 's/f_bsize/Bsize/' \
 885          -e 's/f_blocks/Blocks/' \
 886          -e 's/f_bfree/Bfree/' \
 887          -e 's/f_bavail/Bavail/' \
 888          -e 's/f_files/Files/' \
 889          -e 's/f_ffree/Ffree/' \
 890          -e 's/f_fsid/Fsid/' \
 891          -e 's/f_namelen/Namelen/' \
 892          -e 's/f_frsize/Frsize/' \
 893          -e 's/f_flags/Flags/' \
 894          -e 's/f_spare/Spare/' \
 895     >> ${OUT}
 896
 897 # The timex struct.
 898 timex=`grep '^type _timex ' gen-sysinfo.go || true`
 899 if test "$timex" = ""; then
 900   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
 901   if test "$timex" != ""; then
 902     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
 903   fi
 904 fi
 905 if test "$timex" != ""; then
 906   echo "$timex" | \
 907     sed -e 's/_timex/Timex/' \
 908       -e 's/modes/Modes/' \
 909       -e 's/offset/Offset/' \
 910       -e 's/freq/Freq/' \
 911       -e 's/maxerror/Maxerror/' \
 912       -e 's/esterror/Esterror/' \
 913       -e 's/status/Status/' \
 914       -e 's/constant/Constant/' \
 915       -e 's/precision/Precision/' \
 916       -e 's/tolerance/Tolerance/' \
 917       -e 's/ time / Time /' \
 918       -e 's/tick/Tick/' \
 919       -e 's/ppsfreq/Ppsfreq/' \
 920       -e 's/jitter/Jitter/' \
 921       -e 's/shift/Shift/' \
 922       -e 's/stabil/Stabil/' \
 923       -e 's/jitcnt/Jitcnt/' \
 924       -e 's/calcnt/Calcnt/' \
 925       -e 's/errcnt/Errcnt/' \
 926       -e 's/stbcnt/Stbcnt/' \
 927       -e 's/tai/Tai/' \
 928       -e 's/_timeval/Timeval/' \
 929     >> ${OUT}
 930 fi
 931
 932 # The rlimit struct.
 933 grep '^type _rlimit ' gen-sysinfo.go | \
 934     sed -e 's/_rlimit/Rlimit/' \
 935       -e 's/rlim_cur/Cur/' \
 936       -e 's/rlim_max/Max/' \
 937     >> ${OUT}
 938
 939 # The RLIMIT constants.
 940 grep '^const _RLIMIT_' gen-sysinfo.go |
 941     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 942 grep '^const _RLIM_' gen-sysinfo.go |
 943     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 944
 945 # The sysinfo struct.
 946 grep '^type _sysinfo ' gen-sysinfo.go | \
 947     sed -e 's/_sysinfo/Sysinfo_t/' \
 948       -e 's/uptime/Uptime/' \
 949       -e 's/loads/Loads/' \
 950       -e 's/totalram/Totalram/' \
 951       -e 's/freeram/Freeram/' \
 952       -e 's/sharedram/Sharedram/' \
 953       -e 's/bufferram/Bufferram/' \
 954       -e 's/totalswap/Totalswap/' \
 955       -e 's/freeswap/Freeswap/' \
 956       -e 's/procs/Procs/' \
 957       -e 's/totalhigh/Totalhigh/' \
 958       -e 's/freehigh/Freehigh/' \
 959       -e 's/mem_unit/Unit/' \
 960     >> ${OUT}
 961
 962 # The ustat struct.
 963 grep '^type _ustat ' gen-sysinfo.go | \
 964     sed -e 's/_ustat/Ustat_t/' \
 965       -e 's/f_tfree/Tfree/' \
 966       -e 's/f_tinode/Tinoe/' \
 967       -e 's/f_fname/Fname/' \
 968       -e 's/f_fpack/Fpack/' \
 969     >> ${OUT}
 970 # Force it to be defined, as on some older GNU/Linux systems the
 971 # header file fails when using with <linux/filter.h>.
 972 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
 973   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
 974 fi
 975
 976 # The utimbuf struct.
 977 grep '^type _utimbuf ' gen-sysinfo.go | \
 978     sed -e 's/_utimbuf/Utimbuf/' \
 979       -e 's/actime/Actime/' \
 980       -e 's/modtime/Modtime/' \
 981     >> ${OUT}
 982
 983 # The LOCK flags for flock.
 984 grep '^const _LOCK_' gen-sysinfo.go |
 985     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 986
 987 # The GNU/Linux LINUX_REBOOT flags.
 988 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
 989     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 990
 991 # The GNU/Linux sock_filter struct.
 992 grep '^type _sock_filter ' gen-sysinfo.go | \
 993     sed -e 's/_sock_filter/SockFilter/' \
 994       -e 's/code/Code/' \
 995       -e 's/jt/Jt/' \
 996       -e 's/jf/Jf/' \
 997       -e 's/k /K /' \
 998     >> ${OUT}
 999
1000 # The GNU/Linux sock_fprog struct.
1001 grep '^type _sock_fprog ' gen-sysinfo.go | \
1002     sed -e 's/_sock_fprog/SockFprog/' \
1003       -e 's/len/Len/' \
1004       -e 's/filter/Filter/' \
1005       -e 's/_sock_filter/SockFilter/' \
1006     >> ${OUT}
1007
1008 # The GNU/Linux filter flags.
1009 grep '^const _BPF_' gen-sysinfo.go | \
1010   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1011
1012 # The GNU/Linux nlattr struct.
1013 grep '^type _nlattr ' gen-sysinfo.go | \
1014     sed -e 's/_nlattr/NlAttr/' \
1015       -e 's/nla_len/Len/' \
1016       -e 's/nla_type/Type/' \
1017     >> ${OUT}
1018
1019 # The GNU/Linux nlmsgerr struct.
1020 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1021     sed -e 's/_nlmsgerr/NlMsgerr/' \
1022       -e 's/error/Error/' \
1023       -e 's/msg/Msg/' \
1024       -e 's/_nlmsghdr/NlMsghdr/' \
1025     >> ${OUT}
1026
1027 # The GNU/Linux rtnexthop struct.
1028 grep '^type _rtnexthop ' gen-sysinfo.go | \
1029     sed -e 's/_rtnexthop/RtNexthop/' \
1030       -e 's/rtnh_len/Len/' \
1031       -e 's/rtnh_flags/Flags/' \
1032       -e 's/rtnh_hops/Hops/' \
1033       -e 's/rtnh_ifindex/Ifindex/' \
1034     >> ${OUT}
1035
1036 # The GNU/Linux netlink flags.
1037 grep '^const _NETLINK_' gen-sysinfo.go | \
1038   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1039 grep '^const _NLA_' gen-sysinfo.go | \
1040   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1041
1042 # The GNU/Linux packet socket flags.
1043 grep '^const _PACKET_' gen-sysinfo.go | \
1044   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1045
1046 # The GNU/Linux inotify_event struct.
1047 grep '^type _inotify_event ' gen-sysinfo.go | \
1048     sed -e 's/_inotify_event/InotifyEvent/' \
1049       -e 's/wd/Wd/' \
1050       -e 's/mask/Mask/' \
1051       -e 's/cookie/Cookie/' \
1052       -e 's/len/Len/' \
1053       -e 's/name/Name/' \
1054       -e 's/\[\]/[0]/' \
1055       -e 's/\[0\]byte/[0]int8/' \
1056     >> ${OUT}
1057
1058 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1059 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1060     sed -e 's/_in6_addr/[16]byte/' \
1061     >> ${OUT}
1062
1063 # Struct sizes.
1064 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1065     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1066     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1067     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1068     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1069     sock_filter SockFilter sock_fprog SockFprog ucred Ucred
1070 while test $# != 0; do
1071     nc=$1
1072     ngo=$2
1073     shift
1074     shift
1075     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1076         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1077     fi
1078 done
1079
1080 # In order to compile the net package, we need some sizes to exist
1081 # even if the types do not.
1082 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1083     echo 'const SizeofIPMreq = 8' >> ${OUT}
1084 fi
1085 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1086     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1087 fi
1088 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1089     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1090 fi
1091
1092 exit $?