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