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 #if defined(HAVE_NETINET_ICMP6_H)
 164 #include <netinet/icmp6.h>
 165 #endif
 166 #if defined(HAVE_SCHED_H)
 167 #include <sched.h>
 168 #endif
 169
 170 /* Constants that may only be defined as expressions on some systems,
 171    expressions too complex for -fdump-go-spec to handle.  These are
 172    handled specially below.  */
 173 enum {
 174 #ifdef TIOCGWINSZ
 175   TIOCGWINSZ_val = TIOCGWINSZ,
 176 #endif
 177 #ifdef TIOCNOTTY
 178   TIOCNOTTY_val = TIOCNOTTY,
 179 #endif
 180 #ifdef TIOCSCTTY
 181   TIOCSCTTY_val = TIOCSCTTY,
 182 #endif
 183 #ifdef TIOCGPTN
 184   TIOCGPTN_val = TIOCGPTN,
 185 #endif
 186 #ifdef TIOCSPTLCK
 187   TIOCSPTLCK_val = TIOCSPTLCK,
 188 #endif
 189 #ifdef TIOCGDEV
 190   TIOCGDEV_val = TIOCGDEV,
 191 #endif
 192 #ifdef TIOCSIG
 193   TIOCSIG_val = TIOCSIG,
 194 #endif
 195 };
 196 EOF
 197
 198 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 199
 200 echo 'package syscall' > ${OUT}
 201 echo 'import "unsafe"' >> ${OUT}
 202 echo 'type _ unsafe.Pointer' >> ${OUT}
 203
 204 # Get all the consts and types, skipping ones which could not be
 205 # represented in Go and ones which we need to rewrite.  We also skip
 206 # function declarations, as we don't need them here.  All the symbols
 207 # will all have a leading underscore.
 208 grep -v '^// ' gen-sysinfo.go | \
 209   grep -v '^func' | \
 210   grep -v '^type _timeval ' | \
 211   grep -v '^type _timespec_t ' | \
 212   grep -v '^type _timespec ' | \
 213   grep -v '^type _timestruc_t ' | \
 214   grep -v '^type _epoll_' | \
 215   grep -v 'in6_addr' | \
 216   grep -v 'sockaddr_in6' | \
 217   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 218       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 219       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 220       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 221     >> ${OUT}
 222
 223 # The errno constants.  These get type Errno.
 224 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 225   egrep '#define E[A-Z0-9_]+ ' | \
 226   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 227
 228 # The O_xxx flags.
 229 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 230   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 231 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 232   echo "const O_ASYNC = 0" >> ${OUT}
 233 fi
 234 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 235   echo "const O_CLOEXEC = 0" >> ${OUT}
 236 fi
 237
 238 # The os package requires F_DUPFD_CLOEXEC to be defined.
 239 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 240   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
 241 fi
 242
 243 # These flags can be lost on i386 GNU/Linux when using
 244 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 245 # before we see the definition of F_SETLK64.
 246 for flag in F_GETLK F_SETLK F_SETLKW; do
 247   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 248       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 249     echo "const ${flag} = ${flag}64" >> ${OUT}
 250   fi
 251 done
 252
 253 # The Flock_t struct for fcntl.
 254 grep '^type _flock ' gen-sysinfo.go | \
 255     sed -e 's/type _flock/type Flock_t/' \
 256       -e 's/l_type/Type/' \
 257       -e 's/l_whence/Whence/' \
 258       -e 's/l_start/Start/' \
 259       -e 's/l_len/Len/' \
 260       -e 's/l_pid/Pid/' \
 261     >> ${OUT}
 262
 263 # The signal numbers.
 264 grep '^const _SIG[^_]' gen-sysinfo.go | \
 265   grep -v '^const _SIGEV_' | \
 266   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 267 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 268   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 269     echo "const SIGPOLL = SIGIO" >> ${OUT}
 270   fi
 271 fi
 272 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 273   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 274     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 275   fi
 276 fi
 277
 278 # The syscall numbers.  We force the names to upper case.
 279 grep '^const _SYS_' gen-sysinfo.go | \
 280   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 281   while read sys; do
 282     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 283     echo "const $sup = _$sys" >> ${OUT}
 284   done
 285
 286 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 287 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 288   echo "const SYS_GETDENTS = 0" >> ${OUT}
 289 fi
 290 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 291   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 292 fi
 293
 294 # Stat constants.
 295 grep '^const _S_' gen-sysinfo.go | \
 296   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 297
 298 # Mmap constants.
 299 grep '^const _PROT_' gen-sysinfo.go | \
 300   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 301 grep '^const _MAP_' gen-sysinfo.go | \
 302   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 303 grep '^const _MADV_' gen-sysinfo.go | \
 304   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 305 grep '^const _MCL_' gen-sysinfo.go | \
 306   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 307
 308 # Process status constants.
 309 grep '^const _W' gen-sysinfo.go |
 310   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 311 # WSTOPPED was introduced in glibc 2.3.4.
 312 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 313   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 314     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 315   else
 316     echo 'const WSTOPPED = 2' >> ${OUT}
 317   fi
 318 fi
 319 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 320    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 321   echo 'const WALL = ___WALL' >> ${OUT}
 322 fi
 323
 324 # Networking constants.
 325 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 326   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 327 grep '^const _SOMAXCONN' gen-sysinfo.go |
 328   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 329     >> ${OUT}
 330 grep '^const _SHUT_' gen-sysinfo.go |
 331   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 332
 333 # The net package requires some const definitions.
 334 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 335   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 336     echo "const $m = 0" >> ${OUT}
 337   fi
 338 done
 339 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 340   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 341     echo "const $m = -1" >> ${OUT}
 342   fi
 343 done
 344
 345 # The syscall package requires AF_LOCAL.
 346 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 347   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 348     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 349   fi
 350 fi
 351
 352 # pathconf constants.
 353 grep '^const __PC' gen-sysinfo.go |
 354   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 355
 356 # The PATH_MAX constant.
 357 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 358   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 359 fi
 360
 361 # epoll constants.
 362 grep '^const _EPOLL' gen-sysinfo.go |
 363   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 364 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 365 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 366   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 367 fi
 368 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 369   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 370 fi
 371
 372 # Prctl constants.
 373 grep '^const _PR_' gen-sysinfo.go |
 374   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 375
 376 # Ptrace constants.
 377 grep '^const _PTRACE' gen-sysinfo.go |
 378   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 379 # We need some ptrace options that are not defined in older versions
 380 # of glibc.
 381 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 382   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 383 fi
 384 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 385   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 386 fi
 387 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 388   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 389 fi
 390 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 391   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 392 fi
 393 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 394   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 395 fi
 396 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 397   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 398 fi
 399 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 400   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 401 fi
 402 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 403   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 404 fi
 405 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 406   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 407 fi
 408 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 409   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 410 fi
 411 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 412   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 413 fi
 414 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 415   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 416 fi
 417 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 418   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 419 fi
 420 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 421   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 422 fi
 423 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 424   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 425 fi
 426 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 427   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 428 fi
 429 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 430   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 431 fi
 432
 433 # The registers returned by PTRACE_GETREGS.  This is probably
 434 # GNU/Linux specific; it should do no harm if there is no
 435 # _user_regs_struct.
 436 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 437 if test "$regs" != ""; then
 438   regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'`
 439   regs=`echo $regs | sed -e s'/^ *//'`
 440   nregs=
 441   while test -n "$regs"; do
 442     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 443     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 444     # Capitalize the first character of the field.
 445     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 446     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 447     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 448     field="$f$r"
 449     nregs="$nregs $field;"
 450   done
 451   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 452 fi
 453
 454 # Some basic types.
 455 echo 'type Size_t _size_t' >> ${OUT}
 456 echo "type Ssize_t _ssize_t" >> ${OUT}
 457 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 458   echo "type Offset_t _off64_t" >> ${OUT}
 459 else
 460   echo "type Offset_t _off_t" >> ${OUT}
 461 fi
 462 echo "type Mode_t _mode_t" >> ${OUT}
 463 echo "type Pid_t _pid_t" >> ${OUT}
 464 echo "type Uid_t _uid_t" >> ${OUT}
 465 echo "type Gid_t _gid_t" >> ${OUT}
 466 echo "type Socklen_t _socklen_t" >> ${OUT}
 467
 468 # The C int type.
 469 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 470 if test "$sizeof_int" = "4"; then
 471   echo "type _C_int int32" >> ${OUT}
 472   echo "type _C_uint uint32" >> ${OUT}
 473 elif test "$sizeof_int" = "8"; then
 474   echo "type _C_int int64" >> ${OUT}
 475   echo "type _C_uint uint64" >> ${OUT}
 476 else
 477   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 478   exit 1
 479 fi
 480
 481 # The C long type, needed because that is the type that ptrace returns.
 482 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 483 if test "$sizeof_long" = "4"; then
 484   echo "type _C_long int32" >> ${OUT}
 485 elif test "$sizeof_long" = "8"; then
 486   echo "type _C_long int64" >> ${OUT}
 487 else
 488   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 489   exit 1
 490 fi
 491
 492 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 493 # double is commented by -fdump-go-spec.
 494 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 495   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 496 fi
 497 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 498   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 499 fi
 500
 501 # The time_t type.
 502 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 503   echo 'type Time_t _time_t' >> ${OUT}
 504 fi
 505
 506 # The time structures need special handling: we need to name the
 507 # types, so that we can cast integers to the right types when
 508 # assigning to the structures.
 509 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 510 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 511 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 512 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 513 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 514 echo $timeval | \
 515   sed -e 's/type _timeval /type Timeval /' \
 516       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 517       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 518 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 519 if test "$timespec" = ""; then
 520   # IRIX 6.5 has __timespec instead.
 521   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 522 fi
 523 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 524 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 525 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 526 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 527 echo $timespec | \
 528   sed -e 's/^type ___timespec /type Timespec /' \
 529       -e 's/^type _timespec /type Timespec /' \
 530       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 531       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 532
 533 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 534 if test "$timestruc" != ""; then
 535   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 536   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 537   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 538   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 539   echo $timestruc | \
 540     sed -e 's/^type _timestruc_t /type Timestruc /' \
 541         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 542         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 543 fi
 544
 545 # The tms struct.
 546 grep '^type _tms ' gen-sysinfo.go | \
 547     sed -e 's/type _tms/type Tms/' \
 548       -e 's/tms_utime/Utime/' \
 549       -e 's/tms_stime/Stime/' \
 550       -e 's/tms_cutime/Cutime/' \
 551       -e 's/tms_cstime/Cstime/' \
 552     >> ${OUT}
 553
 554 # The stat type.
 555 # Prefer largefile variant if available.
 556 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 557 if test "$stat" != ""; then
 558   grep '^type _stat64 ' gen-sysinfo.go
 559 else
 560   grep '^type _stat ' gen-sysinfo.go
 561 fi | sed -e 's/type _stat64/type Stat_t/' \
 562          -e 's/type _stat/type Stat_t/' \
 563          -e 's/st_dev/Dev/' \
 564          -e 's/st_ino/Ino/g' \
 565          -e 's/st_nlink/Nlink/' \
 566          -e 's/st_mode/Mode/' \
 567          -e 's/st_uid/Uid/' \
 568          -e 's/st_gid/Gid/' \
 569          -e 's/st_rdev/Rdev/' \
 570          -e 's/st_size/Size/' \
 571          -e 's/st_blksize/Blksize/' \
 572          -e 's/st_blocks/Blocks/' \
 573          -e 's/st_atim/Atim/' \
 574          -e 's/st_mtim/Mtim/' \
 575          -e 's/st_ctim/Ctim/' \
 576          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 577          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 578          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 579          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 580          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 581        >> ${OUT}
 582
 583 # The directory searching types.
 584 # Prefer largefile variant if available.
 585 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 586 if test "$dirent" != ""; then
 587   grep '^type _dirent64 ' gen-sysinfo.go
 588 else
 589   grep '^type _dirent ' gen-sysinfo.go
 590 fi | sed -e 's/type _dirent64/type Dirent/' \
 591          -e 's/type _dirent/type Dirent/' \
 592          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 593          -e 's/d_name/Name/' \
 594          -e 's/]int8/]byte/' \
 595          -e 's/d_ino/Ino/' \
 596          -e 's/d_off/Off/' \
 597          -e 's/d_reclen/Reclen/' \
 598          -e 's/d_type/Type/' \
 599       >> ${OUT}
 600 echo "type DIR _DIR" >> ${OUT}
 601
 602 # Values for d_type field in dirent.
 603 grep '^const _DT_' gen-sysinfo.go |
 604   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 605
 606 # The rusage struct.
 607 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 608 if test "$rusage" != ""; then
 609   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 610   rusage=`echo $rusage | sed -e 's/Godump_[0-9]* struct {\([^}]*\)};/\1/g'`
 611   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 612   rusage=`echo $rusage | sed -e 's/^ *//'`
 613   nrusage=
 614   while test -n "$rusage"; do
 615     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 616     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 617     # Drop the leading ru_, capitalize the next character.
 618     field=`echo $field | sed -e 's/^ru_//'`
 619     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 620     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 621     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 622     # Fix _timeval _timespec, and _timestruc_t.
 623     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 624     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 625     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 626     field="$f$r"
 627     nrusage="$nrusage $field;"
 628   done
 629   echo "type Rusage struct {$nrusage }" >> ${OUT}
 630 else
 631   echo "type Rusage struct {}" >> ${OUT}
 632 fi
 633
 634 # The RUSAGE constants.
 635 grep '^const _RUSAGE_' gen-sysinfo.go | \
 636   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 637
 638 # The utsname struct.
 639 grep '^type _utsname ' gen-sysinfo.go | \
 640     sed -e 's/_utsname/Utsname/' \
 641       -e 's/sysname/Sysname/' \
 642       -e 's/nodename/Nodename/' \
 643       -e 's/release/Release/' \
 644       -e 's/version/Version/' \
 645       -e 's/machine/Machine/' \
 646       -e 's/domainname/Domainname/' \
 647     >> ${OUT}
 648
 649 # The iovec struct.
 650 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 651 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 652 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 653 echo $iovec | \
 654     sed -e 's/_iovec/Iovec/' \
 655       -e 's/iov_base/Base/' \
 656       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 657     >> ${OUT}
 658
 659 # The msghdr struct.
 660 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 661 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 662 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 663 echo $msghdr | \
 664     sed -e 's/_msghdr/Msghdr/' \
 665       -e 's/msg_name/Name/' \
 666       -e 's/msg_namelen/Namelen/' \
 667       -e 's/msg_iov/Iov/' \
 668       -e 's/msg_iovlen/Iovlen/' \
 669       -e 's/_iovec/Iovec/' \
 670       -e 's/msg_control/Control/' \
 671       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 672       -e 's/msg_flags/Flags/' \
 673     >> ${OUT}
 674
 675 # The MSG_ flags for Msghdr.
 676 grep '^const _MSG_' gen-sysinfo.go | \
 677   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 678
 679 # The cmsghdr struct.
 680 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 681 if test -n "$cmsghdr"; then
 682   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 683   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 684   echo "$cmsghdr" | \
 685       sed -e 's/_cmsghdr/Cmsghdr/' \
 686         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 687         -e 's/cmsg_level/Level/' \
 688         -e 's/cmsg_type/Type/' \
 689         -e 's/\[\]/[0]/' \
 690       >> ${OUT}
 691 fi
 692
 693 # The SCM_ flags for Cmsghdr.
 694 grep '^const _SCM_' gen-sysinfo.go | \
 695   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 696
 697 # The ucred struct.
 698 grep '^type _ucred ' gen-sysinfo.go | \
 699     sed -e 's/_ucred/Ucred/' \
 700       -e 's/pid/Pid/' \
 701       -e 's/uid/Uid/' \
 702       -e 's/gid/Gid/' \
 703     >> ${OUT}
 704
 705 # The ip_mreq struct.
 706 grep '^type _ip_mreq ' gen-sysinfo.go | \
 707     sed -e 's/_ip_mreq/IPMreq/' \
 708       -e 's/imr_multiaddr/Multiaddr/' \
 709       -e 's/imr_interface/Interface/' \
 710       -e 's/_in_addr/[4]byte/g' \
 711     >> ${OUT}
 712
 713 # We need IPMreq to compile the net package.
 714 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 715   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 716 fi
 717
 718 # The ipv6_mreq struct.
 719 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 720     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 721       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 722       -e 's/ipv6mr_interface/Interface/' \
 723       -e 's/_in6_addr/[16]byte/' \
 724     >> ${OUT}
 725
 726 # We need IPv6Mreq to compile the net package.
 727 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 728   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 729 fi
 730
 731 # The ip_mreqn struct.
 732 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 733     sed -e 's/_ip_mreqn/IPMreqn/' \
 734       -e 's/imr_multiaddr/Multiaddr/' \
 735       -e 's/imr_address/Address/' \
 736       -e 's/imr_ifindex/Ifindex/' \
 737       -e 's/_in_addr/[4]byte/g' \
 738     >> ${OUT}
 739
 740 # We need IPMreq to compile the net package.
 741 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 742   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 743 fi
 744
 745 # The icmp6_filter struct.
 746 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 747     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 748       -e 's/data/Data/' \
 749       -e 's/filt/Filt/' \
 750     >> ${OUT}
 751
 752 # We need ICMPv6Filter to compile the syscall package.
 753 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 754   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 755 fi
 756
 757 # Try to guess the type to use for fd_set.
 758 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 759 fds_bits_type="_C_long"
 760 if test "$fd_set" != ""; then
 761     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 762 fi
 763 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 764
 765 # The addrinfo struct.
 766 grep '^type _addrinfo ' gen-sysinfo.go | \
 767     sed -e 's/_addrinfo/Addrinfo/g' \
 768       -e 's/ ai_/ Ai_/g' \
 769     >> ${OUT}
 770
 771 # The addrinfo flags and errors.
 772 grep '^const _AI_' gen-sysinfo.go | \
 773   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 774 grep '^const _EAI_' gen-sysinfo.go | \
 775   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 776
 777 # The passwd struct.
 778 grep '^type _passwd ' gen-sysinfo.go | \
 779     sed -e 's/_passwd/Passwd/' \
 780       -e 's/ pw_/ Pw_/g' \
 781     >> ${OUT}
 782
 783 # The ioctl flags for the controlling TTY.
 784 grep '^const _TIOC' gen-sysinfo.go | \
 785     grep -v '_val =' | \
 786     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 787 # We need TIOCGWINSZ.
 788 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 789   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 790     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 791   fi
 792 fi
 793 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 794   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 795     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 796   fi
 797 fi
 798 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 799   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 800     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 801   fi
 802 fi
 803 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 804   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 805     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 806   fi
 807 fi
 808 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 809   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 810     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 811   fi
 812 fi
 813 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 814   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 815     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 816   fi
 817 fi
 818 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 819   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 820     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 821   fi
 822 fi
 823
 824 # The ioctl flags for terminal control
 825 grep '^const _TC[GS]ET' gen-sysinfo.go | \
 826     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 827
 828 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 829 # needs handling in syscalls.exec.go.
 830 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 831   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 832     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 833   fi
 834 fi
 835
 836 # The nlmsghdr struct.
 837 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 838     sed -e 's/_nlmsghdr/NlMsghdr/' \
 839       -e 's/nlmsg_len/Len/' \
 840       -e 's/nlmsg_type/Type/' \
 841       -e 's/nlmsg_flags/Flags/' \
 842       -e 's/nlmsg_seq/Seq/' \
 843       -e 's/nlmsg_pid/Pid/' \
 844     >> ${OUT}
 845
 846 # The nlmsg flags and operators.
 847 grep '^const _NLM' gen-sysinfo.go | \
 848     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 849
 850 # NLMSG_HDRLEN is defined as an expression using sizeof.
 851 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 852   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 853     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 854   fi
 855 fi
 856
 857 # The rtmsg struct.
 858 grep '^type _rtmsg ' gen-sysinfo.go | \
 859     sed -e 's/_rtmsg/RtMsg/' \
 860       -e 's/rtm_family/Family/' \
 861       -e 's/rtm_dst_len/Dst_len/' \
 862       -e 's/rtm_src_len/Src_len/' \
 863       -e 's/rtm_tos/Tos/' \
 864       -e 's/rtm_table/Table/' \
 865       -e 's/rtm_protocol/Protocol/' \
 866       -e 's/rtm_scope/Scope/' \
 867       -e 's/rtm_type/Type/' \
 868       -e 's/rtm_flags/Flags/' \
 869     >> ${OUT}
 870
 871 # The rtgenmsg struct.
 872 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 873     sed -e 's/_rtgenmsg/RtGenmsg/' \
 874       -e 's/rtgen_family/Family/' \
 875     >> ${OUT}
 876
 877 # The routing message flags.
 878 grep '^const _RT_' gen-sysinfo.go | \
 879     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 880 grep '^const _RTA' gen-sysinfo.go | \
 881     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 882 grep '^const _RTF' gen-sysinfo.go | \
 883     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 884 grep '^const _RTCF' gen-sysinfo.go | \
 885     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 886 grep '^const _RTM' gen-sysinfo.go | \
 887     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 888 grep '^const _RTN' gen-sysinfo.go | \
 889     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 890 grep '^const _RTPROT' gen-sysinfo.go | \
 891     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 892
 893 # The ifinfomsg struct.
 894 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 895     sed -e 's/_ifinfomsg/IfInfomsg/' \
 896       -e 's/ifi_family/Family/' \
 897       -e 's/ifi_type/Type/' \
 898       -e 's/ifi_index/Index/' \
 899       -e 's/ifi_flags/Flags/' \
 900       -e 's/ifi_change/Change/' \
 901     >> ${OUT}
 902
 903 # The interface information types and flags.
 904 grep '^const _IFA' gen-sysinfo.go | \
 905     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 906 grep '^const _IFLA' gen-sysinfo.go | \
 907     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 908 grep '^const _IFF' gen-sysinfo.go | \
 909     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 910 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 911     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 912 grep '^const _SIOC' gen-sysinfo.go |
 913     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 914
 915 # The ifaddrmsg struct.
 916 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 917     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 918       -e 's/ifa_family/Family/' \
 919       -e 's/ifa_prefixlen/Prefixlen/' \
 920       -e 's/ifa_flags/Flags/' \
 921       -e 's/ifa_scope/Scope/' \
 922       -e 's/ifa_index/Index/' \
 923     >> ${OUT}
 924
 925 # The rtattr struct.
 926 grep '^type _rtattr ' gen-sysinfo.go | \
 927     sed -e 's/_rtattr/RtAttr/' \
 928       -e 's/rta_len/Len/' \
 929       -e 's/rta_type/Type/' \
 930     >> ${OUT}
 931
 932 # The in_pktinfo struct.
 933 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 934     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 935       -e 's/ipi_ifindex/Ifindex/' \
 936       -e 's/ipi_spec_dst/Spec_dst/' \
 937       -e 's/ipi_addr/Addr/' \
 938       -e 's/_in_addr/[4]byte/g' \
 939     >> ${OUT}
 940
 941 # The in6_pktinfo struct.
 942 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
 943     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
 944       -e 's/ipi6_addr/Addr/' \
 945       -e 's/ipi6_ifindex/Ifindex/' \
 946       -e 's/_in6_addr/[16]byte/' \
 947     >> ${OUT}
 948
 949 # The termios struct.
 950 grep '^type _termios ' gen-sysinfo.go | \
 951     sed -e 's/_termios/Termios/' \
 952       -e 's/c_iflag/Iflag/' \
 953       -e 's/c_oflag/Oflag/' \
 954       -e 's/c_cflag/Cflag/' \
 955       -e 's/c_lflag/Lflag/' \
 956       -e 's/c_line/Line/' \
 957       -e 's/c_cc/Cc/' \
 958       -e 's/c_ispeed/Ispeed/' \
 959       -e 's/c_ospeed/Ospeed/' \
 960     >> ${OUT}
 961
 962 # The termios constants.
 963 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
 964     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
 965     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
 966     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
 967     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
 968     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
 969     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
 970     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
 971     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
 972     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
 973     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
 974     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
 975
 976     grep "^const _$n " gen-sysinfo.go | \
 977         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 978 done
 979
 980 # The mount flags
 981 grep '^const _MNT_' gen-sysinfo.go |
 982     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 983 grep '^const _MS_' gen-sysinfo.go |
 984     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 985
 986 # The fallocate flags.
 987 grep '^const _FALLOC_' gen-sysinfo.go |
 988     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 989
 990 # The statfs struct.
 991 # Prefer largefile variant if available.
 992 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
 993 if test "$statfs" != ""; then
 994   grep '^type _statfs64 ' gen-sysinfo.go
 995 else
 996   grep '^type _statfs ' gen-sysinfo.go
 997 fi | sed -e 's/type _statfs64/type Statfs_t/' \
 998          -e 's/type _statfs/type Statfs_t/' \
 999          -e 's/f_type/Type/' \
1000          -e 's/f_bsize/Bsize/' \
1001          -e 's/f_blocks/Blocks/' \
1002          -e 's/f_bfree/Bfree/' \
1003          -e 's/f_bavail/Bavail/' \
1004          -e 's/f_files/Files/' \
1005          -e 's/f_ffree/Ffree/' \
1006          -e 's/f_fsid/Fsid/' \
1007          -e 's/f_namelen/Namelen/' \
1008          -e 's/f_frsize/Frsize/' \
1009          -e 's/f_flags/Flags/' \
1010          -e 's/f_spare/Spare/' \
1011     >> ${OUT}
1012
1013 # The timex struct.
1014 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1015 if test "$timex" = ""; then
1016   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1017   if test "$timex" != ""; then
1018     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1019   fi
1020 fi
1021 if test "$timex" != ""; then
1022   echo "$timex" | \
1023     sed -e 's/_timex/Timex/' \
1024       -e 's/modes/Modes/' \
1025       -e 's/offset/Offset/' \
1026       -e 's/freq/Freq/' \
1027       -e 's/maxerror/Maxerror/' \
1028       -e 's/esterror/Esterror/' \
1029       -e 's/status/Status/' \
1030       -e 's/constant/Constant/' \
1031       -e 's/precision/Precision/' \
1032       -e 's/tolerance/Tolerance/' \
1033       -e 's/ time / Time /' \
1034       -e 's/tick/Tick/' \
1035       -e 's/ppsfreq/Ppsfreq/' \
1036       -e 's/jitter/Jitter/' \
1037       -e 's/shift/Shift/' \
1038       -e 's/stabil/Stabil/' \
1039       -e 's/jitcnt/Jitcnt/' \
1040       -e 's/calcnt/Calcnt/' \
1041       -e 's/errcnt/Errcnt/' \
1042       -e 's/stbcnt/Stbcnt/' \
1043       -e 's/tai/Tai/' \
1044       -e 's/_timeval/Timeval/' \
1045     >> ${OUT}
1046 fi
1047
1048 # The rlimit struct.
1049 grep '^type _rlimit ' gen-sysinfo.go | \
1050     sed -e 's/_rlimit/Rlimit/' \
1051       -e 's/rlim_cur/Cur/' \
1052       -e 's/rlim_max/Max/' \
1053     >> ${OUT}
1054
1055 # The RLIMIT constants.
1056 grep '^const _RLIMIT_' gen-sysinfo.go |
1057     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1058 grep '^const _RLIM_' gen-sysinfo.go |
1059     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1060
1061 # The sysinfo struct.
1062 grep '^type _sysinfo ' gen-sysinfo.go | \
1063     sed -e 's/_sysinfo/Sysinfo_t/' \
1064       -e 's/uptime/Uptime/' \
1065       -e 's/loads/Loads/' \
1066       -e 's/totalram/Totalram/' \
1067       -e 's/freeram/Freeram/' \
1068       -e 's/sharedram/Sharedram/' \
1069       -e 's/bufferram/Bufferram/' \
1070       -e 's/totalswap/Totalswap/' \
1071       -e 's/freeswap/Freeswap/' \
1072       -e 's/procs/Procs/' \
1073       -e 's/totalhigh/Totalhigh/' \
1074       -e 's/freehigh/Freehigh/' \
1075       -e 's/mem_unit/Unit/' \
1076     >> ${OUT}
1077
1078 # The ustat struct.
1079 grep '^type _ustat ' gen-sysinfo.go | \
1080     sed -e 's/_ustat/Ustat_t/' \
1081       -e 's/f_tfree/Tfree/' \
1082       -e 's/f_tinode/Tinoe/' \
1083       -e 's/f_fname/Fname/' \
1084       -e 's/f_fpack/Fpack/' \
1085     >> ${OUT}
1086 # Force it to be defined, as on some older GNU/Linux systems the
1087 # header file fails when using with <linux/filter.h>.
1088 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1089   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1090 fi
1091
1092 # The utimbuf struct.
1093 grep '^type _utimbuf ' gen-sysinfo.go | \
1094     sed -e 's/_utimbuf/Utimbuf/' \
1095       -e 's/actime/Actime/' \
1096       -e 's/modtime/Modtime/' \
1097     >> ${OUT}
1098
1099 # The LOCK flags for flock.
1100 grep '^const _LOCK_' gen-sysinfo.go |
1101     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1102
1103 # The PRIO constants.
1104 grep '^const _PRIO_' gen-sysinfo.go | \
1105   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1106
1107 # The GNU/Linux LINUX_REBOOT flags.
1108 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1109     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1110
1111 # The GNU/Linux sock_filter struct.
1112 grep '^type _sock_filter ' gen-sysinfo.go | \
1113     sed -e 's/_sock_filter/SockFilter/' \
1114       -e 's/code/Code/' \
1115       -e 's/jt/Jt/' \
1116       -e 's/jf/Jf/' \
1117       -e 's/k /K /' \
1118     >> ${OUT}
1119
1120 # The GNU/Linux sock_fprog struct.
1121 grep '^type _sock_fprog ' gen-sysinfo.go | \
1122     sed -e 's/_sock_fprog/SockFprog/' \
1123       -e 's/len/Len/' \
1124       -e 's/filter/Filter/' \
1125       -e 's/_sock_filter/SockFilter/' \
1126     >> ${OUT}
1127
1128 # The GNU/Linux filter flags.
1129 grep '^const _BPF_' gen-sysinfo.go | \
1130   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1131
1132 # The GNU/Linux nlattr struct.
1133 grep '^type _nlattr ' gen-sysinfo.go | \
1134     sed -e 's/_nlattr/NlAttr/' \
1135       -e 's/nla_len/Len/' \
1136       -e 's/nla_type/Type/' \
1137     >> ${OUT}
1138
1139 # The GNU/Linux nlmsgerr struct.
1140 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1141     sed -e 's/_nlmsgerr/NlMsgerr/' \
1142       -e 's/error/Error/' \
1143       -e 's/msg/Msg/' \
1144       -e 's/_nlmsghdr/NlMsghdr/' \
1145     >> ${OUT}
1146
1147 # The GNU/Linux rtnexthop struct.
1148 grep '^type _rtnexthop ' gen-sysinfo.go | \
1149     sed -e 's/_rtnexthop/RtNexthop/' \
1150       -e 's/rtnh_len/Len/' \
1151       -e 's/rtnh_flags/Flags/' \
1152       -e 's/rtnh_hops/Hops/' \
1153       -e 's/rtnh_ifindex/Ifindex/' \
1154     >> ${OUT}
1155
1156 # The GNU/Linux netlink flags.
1157 grep '^const _NETLINK_' gen-sysinfo.go | \
1158   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1159 grep '^const _NLA_' gen-sysinfo.go | \
1160   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1161
1162 # The GNU/Linux packet socket flags.
1163 grep '^const _PACKET_' gen-sysinfo.go | \
1164   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1165
1166 # The GNU/Linux inotify_event struct.
1167 grep '^type _inotify_event ' gen-sysinfo.go | \
1168     sed -e 's/_inotify_event/InotifyEvent/' \
1169       -e 's/wd/Wd/' \
1170       -e 's/mask/Mask/' \
1171       -e 's/cookie/Cookie/' \
1172       -e 's/len/Len/' \
1173       -e 's/name/Name/' \
1174       -e 's/\[\]/[0]/' \
1175       -e 's/\[0\]byte/[0]int8/' \
1176     >> ${OUT}
1177
1178 # The GNU/Linux CLONE flags.
1179 grep '^const _CLONE_' gen-sysinfo.go | \
1180   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1181
1182 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1183 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1184     sed -e 's/_in6_addr/[16]byte/' \
1185     >> ${OUT}
1186
1187 # Struct sizes.
1188 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1189     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1190     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1191     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1192     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1193     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1194     icmp6_filter ICMPv6Filter
1195 while test $# != 0; do
1196     nc=$1
1197     ngo=$2
1198     shift
1199     shift
1200     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1201         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1202     fi
1203 done
1204
1205 # In order to compile the net package, we need some sizes to exist
1206 # even if the types do not.
1207 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1208     echo 'const SizeofIPMreq = 8' >> ${OUT}
1209 fi
1210 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1211     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1212 fi
1213 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1214     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1215 fi
1216 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1217     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1218 fi
1219
1220 exit $?