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