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 TIOCSWINSZ
 178   TIOCSWINSZ_val = TIOCSWINSZ,
 179 #endif
 180 #ifdef TIOCNOTTY
 181   TIOCNOTTY_val = TIOCNOTTY,
 182 #endif
 183 #ifdef TIOCSCTTY
 184   TIOCSCTTY_val = TIOCSCTTY,
 185 #endif
 186 #ifdef TIOCGPTN
 187   TIOCGPTN_val = TIOCGPTN,
 188 #endif
 189 #ifdef TIOCSPTLCK
 190   TIOCSPTLCK_val = TIOCSPTLCK,
 191 #endif
 192 #ifdef TIOCGDEV
 193   TIOCGDEV_val = TIOCGDEV,
 194 #endif
 195 #ifdef TIOCSIG
 196   TIOCSIG_val = TIOCSIG,
 197 #endif
 198 #ifdef TCGETS
 199   TCGETS_val = TCGETS,
 200 #endif
 201 #ifdef TCSETS
 202   TCSETS_val = TCSETS,
 203 #endif
 204 };
 205 EOF
 206
 207 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 208
 209 echo 'package syscall' > ${OUT}
 210 echo 'import "unsafe"' >> ${OUT}
 211 echo 'type _ unsafe.Pointer' >> ${OUT}
 212
 213 # Get all the consts and types, skipping ones which could not be
 214 # represented in Go and ones which we need to rewrite.  We also skip
 215 # function declarations, as we don't need them here.  All the symbols
 216 # will all have a leading underscore.
 217 grep -v '^// ' gen-sysinfo.go | \
 218   grep -v '^func' | \
 219   grep -v '^type _timeval ' | \
 220   grep -v '^type _timespec_t ' | \
 221   grep -v '^type _timespec ' | \
 222   grep -v '^type _timestruc_t ' | \
 223   grep -v '^type _epoll_' | \
 224   grep -v 'in6_addr' | \
 225   grep -v 'sockaddr_in6' | \
 226   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 227       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 228       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 229       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 230     >> ${OUT}
 231
 232 # The errno constants.  These get type Errno.
 233 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 234   egrep '#define E[A-Z0-9_]+ ' | \
 235   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 236
 237 # The O_xxx flags.
 238 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 239   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 240 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 241   echo "const O_ASYNC = 0" >> ${OUT}
 242 fi
 243 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 244   echo "const O_CLOEXEC = 0" >> ${OUT}
 245 fi
 246
 247 # The os package requires F_DUPFD_CLOEXEC to be defined.
 248 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 249   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
 250 fi
 251
 252 # These flags can be lost on i386 GNU/Linux when using
 253 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 254 # before we see the definition of F_SETLK64.
 255 for flag in F_GETLK F_SETLK F_SETLKW; do
 256   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 257       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 258     echo "const ${flag} = ${flag}64" >> ${OUT}
 259   fi
 260 done
 261
 262 # The Flock_t struct for fcntl.
 263 grep '^type _flock ' gen-sysinfo.go | \
 264     sed -e 's/type _flock/type Flock_t/' \
 265       -e 's/l_type/Type/' \
 266       -e 's/l_whence/Whence/' \
 267       -e 's/l_start/Start/' \
 268       -e 's/l_len/Len/' \
 269       -e 's/l_pid/Pid/' \
 270     >> ${OUT}
 271
 272 # The signal numbers.
 273 grep '^const _SIG[^_]' gen-sysinfo.go | \
 274   grep -v '^const _SIGEV_' | \
 275   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 276 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 277   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 278     echo "const SIGPOLL = SIGIO" >> ${OUT}
 279   fi
 280 fi
 281 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 282   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 283     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 284   fi
 285 fi
 286
 287 # The syscall numbers.  We force the names to upper case.
 288 grep '^const _SYS_' gen-sysinfo.go | \
 289   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 290   while read sys; do
 291     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 292     echo "const $sup = _$sys" >> ${OUT}
 293   done
 294
 295 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 296 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 297   echo "const SYS_GETDENTS = 0" >> ${OUT}
 298 fi
 299 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 300   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 301 fi
 302
 303 # Stat constants.
 304 grep '^const _S_' gen-sysinfo.go | \
 305   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 306
 307 # Mmap constants.
 308 grep '^const _PROT_' gen-sysinfo.go | \
 309   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 310 grep '^const _MAP_' gen-sysinfo.go | \
 311   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 312 grep '^const _MADV_' gen-sysinfo.go | \
 313   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 314 grep '^const _MCL_' gen-sysinfo.go | \
 315   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 316
 317 # Process status constants.
 318 grep '^const _W' gen-sysinfo.go |
 319   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 320 # WSTOPPED was introduced in glibc 2.3.4.
 321 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 322   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 323     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 324   else
 325     echo 'const WSTOPPED = 2' >> ${OUT}
 326   fi
 327 fi
 328 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 329    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 330   echo 'const WALL = ___WALL' >> ${OUT}
 331 fi
 332
 333 # Networking constants.
 334 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 335   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 336 grep '^const _SOMAXCONN' gen-sysinfo.go |
 337   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 338     >> ${OUT}
 339 grep '^const _SHUT_' gen-sysinfo.go |
 340   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 341
 342 # The net package requires some const definitions.
 343 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 344   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 345     echo "const $m = 0" >> ${OUT}
 346   fi
 347 done
 348 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 349   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 350     echo "const $m = -1" >> ${OUT}
 351   fi
 352 done
 353
 354 # The syscall package requires AF_LOCAL.
 355 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 356   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 357     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 358   fi
 359 fi
 360
 361 # pathconf constants.
 362 grep '^const __PC' gen-sysinfo.go |
 363   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 364
 365 # The PATH_MAX constant.
 366 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 367   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 368 fi
 369
 370 # epoll constants.
 371 grep '^const _EPOLL' gen-sysinfo.go |
 372   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 373 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 374 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 375   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 376 fi
 377 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 378   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 379 fi
 380
 381 # Prctl constants.
 382 grep '^const _PR_' gen-sysinfo.go |
 383   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 384
 385 # Ptrace constants.
 386 grep '^const _PTRACE' gen-sysinfo.go |
 387   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 388 # We need some ptrace options that are not defined in older versions
 389 # of glibc.
 390 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 391   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 392 fi
 393 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 394   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 395 fi
 396 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 397   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 398 fi
 399 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 400   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 401 fi
 402 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 403   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 404 fi
 405 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 406   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 407 fi
 408 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 409   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 410 fi
 411 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 412   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 413 fi
 414 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 415   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 416 fi
 417 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 418   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 419 fi
 420 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 421   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 422 fi
 423 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 424   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 425 fi
 426 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 427   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 428 fi
 429 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 430   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 431 fi
 432 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 433   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 434 fi
 435 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 436   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 437 fi
 438 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 439   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 440 fi
 441
 442 # The registers returned by PTRACE_GETREGS.  This is probably
 443 # GNU/Linux specific; it should do no harm if there is no
 444 # _user_regs_struct.
 445 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 446 if test "$regs" != ""; then
 447   regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'`
 448   regs=`echo $regs | sed -e s'/^ *//'`
 449   nregs=
 450   while test -n "$regs"; do
 451     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 452     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 453     # Capitalize the first character of the field.
 454     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 455     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 456     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 457     field="$f$r"
 458     nregs="$nregs $field;"
 459   done
 460   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 461 fi
 462
 463 # Some basic types.
 464 echo 'type Size_t _size_t' >> ${OUT}
 465 echo "type Ssize_t _ssize_t" >> ${OUT}
 466 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 467   echo "type Offset_t _off64_t" >> ${OUT}
 468 else
 469   echo "type Offset_t _off_t" >> ${OUT}
 470 fi
 471 echo "type Mode_t _mode_t" >> ${OUT}
 472 echo "type Pid_t _pid_t" >> ${OUT}
 473 echo "type Uid_t _uid_t" >> ${OUT}
 474 echo "type Gid_t _gid_t" >> ${OUT}
 475 echo "type Socklen_t _socklen_t" >> ${OUT}
 476
 477 # The C int type.
 478 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 479 if test "$sizeof_int" = "4"; then
 480   echo "type _C_int int32" >> ${OUT}
 481   echo "type _C_uint uint32" >> ${OUT}
 482 elif test "$sizeof_int" = "8"; then
 483   echo "type _C_int int64" >> ${OUT}
 484   echo "type _C_uint uint64" >> ${OUT}
 485 else
 486   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 487   exit 1
 488 fi
 489
 490 # The C long type, needed because that is the type that ptrace returns.
 491 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 492 if test "$sizeof_long" = "4"; then
 493   echo "type _C_long int32" >> ${OUT}
 494 elif test "$sizeof_long" = "8"; then
 495   echo "type _C_long int64" >> ${OUT}
 496 else
 497   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 498   exit 1
 499 fi
 500
 501 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 502 # double is commented by -fdump-go-spec.
 503 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 504   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 505 fi
 506 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 507   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 508 fi
 509
 510 # The time_t type.
 511 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 512   echo 'type Time_t _time_t' >> ${OUT}
 513 fi
 514
 515 # The time structures need special handling: we need to name the
 516 # types, so that we can cast integers to the right types when
 517 # assigning to the structures.
 518 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 519 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 520 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 521 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 522 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 523 echo $timeval | \
 524   sed -e 's/type _timeval /type Timeval /' \
 525       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 526       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 527 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 528 if test "$timespec" = ""; then
 529   # IRIX 6.5 has __timespec instead.
 530   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 531 fi
 532 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 533 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 534 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 535 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 536 echo $timespec | \
 537   sed -e 's/^type ___timespec /type Timespec /' \
 538       -e 's/^type _timespec /type Timespec /' \
 539       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 540       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 541
 542 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 543 if test "$timestruc" != ""; then
 544   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 545   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 546   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 547   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 548   echo $timestruc | \
 549     sed -e 's/^type _timestruc_t /type Timestruc /' \
 550         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 551         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 552 fi
 553
 554 # The tms struct.
 555 grep '^type _tms ' gen-sysinfo.go | \
 556     sed -e 's/type _tms/type Tms/' \
 557       -e 's/tms_utime/Utime/' \
 558       -e 's/tms_stime/Stime/' \
 559       -e 's/tms_cutime/Cutime/' \
 560       -e 's/tms_cstime/Cstime/' \
 561     >> ${OUT}
 562
 563 # The stat type.
 564 # Prefer largefile variant if available.
 565 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 566 if test "$stat" != ""; then
 567   grep '^type _stat64 ' gen-sysinfo.go
 568 else
 569   grep '^type _stat ' gen-sysinfo.go
 570 fi | sed -e 's/type _stat64/type Stat_t/' \
 571          -e 's/type _stat/type Stat_t/' \
 572          -e 's/st_dev/Dev/' \
 573          -e 's/st_ino/Ino/g' \
 574          -e 's/st_nlink/Nlink/' \
 575          -e 's/st_mode/Mode/' \
 576          -e 's/st_uid/Uid/' \
 577          -e 's/st_gid/Gid/' \
 578          -e 's/st_rdev/Rdev/' \
 579          -e 's/st_size/Size/' \
 580          -e 's/st_blksize/Blksize/' \
 581          -e 's/st_blocks/Blocks/' \
 582          -e 's/st_atim/Atim/' \
 583          -e 's/st_mtim/Mtim/' \
 584          -e 's/st_ctim/Ctim/' \
 585          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 586          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 587          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 588          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 589          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 590        >> ${OUT}
 591
 592 # The directory searching types.
 593 # Prefer largefile variant if available.
 594 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 595 if test "$dirent" != ""; then
 596   grep '^type _dirent64 ' gen-sysinfo.go
 597 else
 598   grep '^type _dirent ' gen-sysinfo.go
 599 fi | sed -e 's/type _dirent64/type Dirent/' \
 600          -e 's/type _dirent/type Dirent/' \
 601          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 602          -e 's/d_name/Name/' \
 603          -e 's/]int8/]byte/' \
 604          -e 's/d_ino/Ino/' \
 605          -e 's/d_off/Off/' \
 606          -e 's/d_reclen/Reclen/' \
 607          -e 's/d_type/Type/' \
 608       >> ${OUT}
 609 echo "type DIR _DIR" >> ${OUT}
 610
 611 # Values for d_type field in dirent.
 612 grep '^const _DT_' gen-sysinfo.go |
 613   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 614
 615 # The rusage struct.
 616 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 617 if test "$rusage" != ""; then
 618   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 619   rusage=`echo $rusage | sed -e 's/Godump_[0-9]* struct {\([^}]*\)};/\1/g'`
 620   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 621   rusage=`echo $rusage | sed -e 's/^ *//'`
 622   nrusage=
 623   while test -n "$rusage"; do
 624     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 625     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 626     # Drop the leading ru_, capitalize the next character.
 627     field=`echo $field | sed -e 's/^ru_//'`
 628     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 629     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 630     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 631     # Fix _timeval _timespec, and _timestruc_t.
 632     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 633     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 634     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 635     field="$f$r"
 636     nrusage="$nrusage $field;"
 637   done
 638   echo "type Rusage struct {$nrusage }" >> ${OUT}
 639 else
 640   echo "type Rusage struct {}" >> ${OUT}
 641 fi
 642
 643 # The RUSAGE constants.
 644 grep '^const _RUSAGE_' gen-sysinfo.go | \
 645   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 646
 647 # The utsname struct.
 648 grep '^type _utsname ' gen-sysinfo.go | \
 649     sed -e 's/_utsname/Utsname/' \
 650       -e 's/sysname/Sysname/' \
 651       -e 's/nodename/Nodename/' \
 652       -e 's/release/Release/' \
 653       -e 's/version/Version/' \
 654       -e 's/machine/Machine/' \
 655       -e 's/domainname/Domainname/' \
 656     >> ${OUT}
 657
 658 # The iovec struct.
 659 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 660 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 661 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 662 echo $iovec | \
 663     sed -e 's/_iovec/Iovec/' \
 664       -e 's/iov_base/Base/' \
 665       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 666     >> ${OUT}
 667
 668 # The msghdr struct.
 669 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 670 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 671 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 672 echo $msghdr | \
 673     sed -e 's/_msghdr/Msghdr/' \
 674       -e 's/msg_name/Name/' \
 675       -e 's/msg_namelen/Namelen/' \
 676       -e 's/msg_iov/Iov/' \
 677       -e 's/msg_iovlen/Iovlen/' \
 678       -e 's/_iovec/Iovec/' \
 679       -e 's/msg_control/Control/' \
 680       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 681       -e 's/msg_flags/Flags/' \
 682     >> ${OUT}
 683
 684 # The MSG_ flags for Msghdr.
 685 grep '^const _MSG_' gen-sysinfo.go | \
 686   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 687
 688 # The cmsghdr struct.
 689 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 690 if test -n "$cmsghdr"; then
 691   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 692   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 693   echo "$cmsghdr" | \
 694       sed -e 's/_cmsghdr/Cmsghdr/' \
 695         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 696         -e 's/cmsg_level/Level/' \
 697         -e 's/cmsg_type/Type/' \
 698         -e 's/\[\]/[0]/' \
 699       >> ${OUT}
 700 fi
 701
 702 # The SCM_ flags for Cmsghdr.
 703 grep '^const _SCM_' gen-sysinfo.go | \
 704   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 705
 706 # The ucred struct.
 707 grep '^type _ucred ' gen-sysinfo.go | \
 708     sed -e 's/_ucred/Ucred/' \
 709       -e 's/pid/Pid/' \
 710       -e 's/uid/Uid/' \
 711       -e 's/gid/Gid/' \
 712     >> ${OUT}
 713
 714 # The ip_mreq struct.
 715 grep '^type _ip_mreq ' gen-sysinfo.go | \
 716     sed -e 's/_ip_mreq/IPMreq/' \
 717       -e 's/imr_multiaddr/Multiaddr/' \
 718       -e 's/imr_interface/Interface/' \
 719       -e 's/_in_addr/[4]byte/g' \
 720     >> ${OUT}
 721
 722 # We need IPMreq to compile the net package.
 723 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 724   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 725 fi
 726
 727 # The ipv6_mreq struct.
 728 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 729     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 730       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 731       -e 's/ipv6mr_interface/Interface/' \
 732       -e 's/_in6_addr/[16]byte/' \
 733     >> ${OUT}
 734
 735 # We need IPv6Mreq to compile the net package.
 736 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 737   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 738 fi
 739
 740 # The ip_mreqn struct.
 741 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 742     sed -e 's/_ip_mreqn/IPMreqn/' \
 743       -e 's/imr_multiaddr/Multiaddr/' \
 744       -e 's/imr_address/Address/' \
 745       -e 's/imr_ifindex/Ifindex/' \
 746       -e 's/_in_addr/[4]byte/g' \
 747     >> ${OUT}
 748
 749 # We need IPMreq to compile the net package.
 750 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 751   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 752 fi
 753
 754 # The icmp6_filter struct.
 755 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 756     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 757       -e 's/data/Data/' \
 758       -e 's/filt/Filt/' \
 759     >> ${OUT}
 760
 761 # We need ICMPv6Filter to compile the syscall package.
 762 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 763   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 764 fi
 765
 766 # Try to guess the type to use for fd_set.
 767 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 768 fds_bits_type="_C_long"
 769 if test "$fd_set" != ""; then
 770     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 771 fi
 772 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 773
 774 # The addrinfo struct.
 775 grep '^type _addrinfo ' gen-sysinfo.go | \
 776     sed -e 's/_addrinfo/Addrinfo/g' \
 777       -e 's/ ai_/ Ai_/g' \
 778     >> ${OUT}
 779
 780 # The addrinfo flags and errors.
 781 grep '^const _AI_' gen-sysinfo.go | \
 782   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 783 grep '^const _EAI_' gen-sysinfo.go | \
 784   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 785
 786 # The passwd struct.
 787 grep '^type _passwd ' gen-sysinfo.go | \
 788     sed -e 's/_passwd/Passwd/' \
 789       -e 's/ pw_/ Pw_/g' \
 790     >> ${OUT}
 791
 792 # The ioctl flags for the controlling TTY.
 793 grep '^const _TIOC' gen-sysinfo.go | \
 794     grep -v '_val =' | \
 795     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 796 # We need TIOCGWINSZ.
 797 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 798   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 799     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 800   fi
 801 fi
 802 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 803   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 804     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 805   fi
 806 fi
 807 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 808   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 809     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 810   fi
 811 fi
 812 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 813   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 814     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 815   fi
 816 fi
 817 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 818   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 819     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 820   fi
 821 fi
 822 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 823   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 824     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 825   fi
 826 fi
 827 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 828   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 829     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 830   fi
 831 fi
 832 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 833   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 834     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 835   fi
 836 fi
 837
 838 # The ioctl flags for terminal control
 839 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 840     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 841 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 842   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 843     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 844   fi
 845 fi
 846 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 847   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 848     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 849   fi
 850 fi
 851
 852 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 853 # needs handling in syscalls.exec.go.
 854 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 855   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 856     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 857   fi
 858 fi
 859
 860 # The nlmsghdr struct.
 861 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 862     sed -e 's/_nlmsghdr/NlMsghdr/' \
 863       -e 's/nlmsg_len/Len/' \
 864       -e 's/nlmsg_type/Type/' \
 865       -e 's/nlmsg_flags/Flags/' \
 866       -e 's/nlmsg_seq/Seq/' \
 867       -e 's/nlmsg_pid/Pid/' \
 868     >> ${OUT}
 869
 870 # The nlmsg flags and operators.
 871 grep '^const _NLM' gen-sysinfo.go | \
 872     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 873
 874 # NLMSG_HDRLEN is defined as an expression using sizeof.
 875 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 876   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 877     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 878   fi
 879 fi
 880
 881 # The rtmsg struct.
 882 grep '^type _rtmsg ' gen-sysinfo.go | \
 883     sed -e 's/_rtmsg/RtMsg/' \
 884       -e 's/rtm_family/Family/' \
 885       -e 's/rtm_dst_len/Dst_len/' \
 886       -e 's/rtm_src_len/Src_len/' \
 887       -e 's/rtm_tos/Tos/' \
 888       -e 's/rtm_table/Table/' \
 889       -e 's/rtm_protocol/Protocol/' \
 890       -e 's/rtm_scope/Scope/' \
 891       -e 's/rtm_type/Type/' \
 892       -e 's/rtm_flags/Flags/' \
 893     >> ${OUT}
 894
 895 # The rtgenmsg struct.
 896 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 897     sed -e 's/_rtgenmsg/RtGenmsg/' \
 898       -e 's/rtgen_family/Family/' \
 899     >> ${OUT}
 900
 901 # The routing message flags.
 902 grep '^const _RT_' gen-sysinfo.go | \
 903     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 904 grep '^const _RTA' gen-sysinfo.go | \
 905     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 906 grep '^const _RTF' gen-sysinfo.go | \
 907     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 908 grep '^const _RTCF' gen-sysinfo.go | \
 909     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 910 grep '^const _RTM' gen-sysinfo.go | \
 911     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 912 grep '^const _RTN' gen-sysinfo.go | \
 913     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 914 grep '^const _RTPROT' gen-sysinfo.go | \
 915     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 916
 917 # The ifinfomsg struct.
 918 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 919     sed -e 's/_ifinfomsg/IfInfomsg/' \
 920       -e 's/ifi_family/Family/' \
 921       -e 's/ifi_type/Type/' \
 922       -e 's/ifi_index/Index/' \
 923       -e 's/ifi_flags/Flags/' \
 924       -e 's/ifi_change/Change/' \
 925     >> ${OUT}
 926
 927 # The interface information types and flags.
 928 grep '^const _IFA' gen-sysinfo.go | \
 929     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 930 grep '^const _IFLA' gen-sysinfo.go | \
 931     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 932 grep '^const _IFF' gen-sysinfo.go | \
 933     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 934 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 935     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 936 grep '^const _SIOC' gen-sysinfo.go |
 937     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 938
 939 # The ifaddrmsg struct.
 940 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 941     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 942       -e 's/ifa_family/Family/' \
 943       -e 's/ifa_prefixlen/Prefixlen/' \
 944       -e 's/ifa_flags/Flags/' \
 945       -e 's/ifa_scope/Scope/' \
 946       -e 's/ifa_index/Index/' \
 947     >> ${OUT}
 948
 949 # The rtattr struct.
 950 grep '^type _rtattr ' gen-sysinfo.go | \
 951     sed -e 's/_rtattr/RtAttr/' \
 952       -e 's/rta_len/Len/' \
 953       -e 's/rta_type/Type/' \
 954     >> ${OUT}
 955
 956 # The in_pktinfo struct.
 957 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 958     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 959       -e 's/ipi_ifindex/Ifindex/' \
 960       -e 's/ipi_spec_dst/Spec_dst/' \
 961       -e 's/ipi_addr/Addr/' \
 962       -e 's/_in_addr/[4]byte/g' \
 963     >> ${OUT}
 964
 965 # The in6_pktinfo struct.
 966 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
 967     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
 968       -e 's/ipi6_addr/Addr/' \
 969       -e 's/ipi6_ifindex/Ifindex/' \
 970       -e 's/_in6_addr/[16]byte/' \
 971     >> ${OUT}
 972
 973 # The termios struct.
 974 grep '^type _termios ' gen-sysinfo.go | \
 975     sed -e 's/_termios/Termios/' \
 976       -e 's/c_iflag/Iflag/' \
 977       -e 's/c_oflag/Oflag/' \
 978       -e 's/c_cflag/Cflag/' \
 979       -e 's/c_lflag/Lflag/' \
 980       -e 's/c_line/Line/' \
 981       -e 's/c_cc/Cc/' \
 982       -e 's/c_ispeed/Ispeed/' \
 983       -e 's/c_ospeed/Ospeed/' \
 984     >> ${OUT}
 985
 986 # The termios constants.
 987 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
 988     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
 989     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
 990     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
 991     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
 992     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
 993     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
 994     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
 995     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
 996     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
 997     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
 998     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
 999
1000     grep "^const _$n " gen-sysinfo.go | \
1001         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1002 done
1003
1004 # The mount flags
1005 grep '^const _MNT_' gen-sysinfo.go |
1006     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1007 grep '^const _MS_' gen-sysinfo.go |
1008     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1009
1010 # The fallocate flags.
1011 grep '^const _FALLOC_' gen-sysinfo.go |
1012     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1013
1014 # The statfs struct.
1015 # Prefer largefile variant if available.
1016 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1017 if test "$statfs" != ""; then
1018   grep '^type _statfs64 ' gen-sysinfo.go
1019 else
1020   grep '^type _statfs ' gen-sysinfo.go
1021 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1022          -e 's/type _statfs/type Statfs_t/' \
1023          -e 's/f_type/Type/' \
1024          -e 's/f_bsize/Bsize/' \
1025          -e 's/f_blocks/Blocks/' \
1026          -e 's/f_bfree/Bfree/' \
1027          -e 's/f_bavail/Bavail/' \
1028          -e 's/f_files/Files/' \
1029          -e 's/f_ffree/Ffree/' \
1030          -e 's/f_fsid/Fsid/' \
1031          -e 's/f_namelen/Namelen/' \
1032          -e 's/f_frsize/Frsize/' \
1033          -e 's/f_flags/Flags/' \
1034          -e 's/f_spare/Spare/' \
1035     >> ${OUT}
1036
1037 # The timex struct.
1038 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1039 if test "$timex" = ""; then
1040   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1041   if test "$timex" != ""; then
1042     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1043   fi
1044 fi
1045 if test "$timex" != ""; then
1046   echo "$timex" | \
1047     sed -e 's/_timex/Timex/' \
1048       -e 's/modes/Modes/' \
1049       -e 's/offset/Offset/' \
1050       -e 's/freq/Freq/' \
1051       -e 's/maxerror/Maxerror/' \
1052       -e 's/esterror/Esterror/' \
1053       -e 's/status/Status/' \
1054       -e 's/constant/Constant/' \
1055       -e 's/precision/Precision/' \
1056       -e 's/tolerance/Tolerance/' \
1057       -e 's/ time / Time /' \
1058       -e 's/tick/Tick/' \
1059       -e 's/ppsfreq/Ppsfreq/' \
1060       -e 's/jitter/Jitter/' \
1061       -e 's/shift/Shift/' \
1062       -e 's/stabil/Stabil/' \
1063       -e 's/jitcnt/Jitcnt/' \
1064       -e 's/calcnt/Calcnt/' \
1065       -e 's/errcnt/Errcnt/' \
1066       -e 's/stbcnt/Stbcnt/' \
1067       -e 's/tai/Tai/' \
1068       -e 's/_timeval/Timeval/' \
1069     >> ${OUT}
1070 fi
1071
1072 # The rlimit struct.
1073 grep '^type _rlimit ' gen-sysinfo.go | \
1074     sed -e 's/_rlimit/Rlimit/' \
1075       -e 's/rlim_cur/Cur/' \
1076       -e 's/rlim_max/Max/' \
1077     >> ${OUT}
1078
1079 # The RLIMIT constants.
1080 grep '^const _RLIMIT_' gen-sysinfo.go |
1081     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1082 grep '^const _RLIM_' gen-sysinfo.go |
1083     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1084
1085 # The sysinfo struct.
1086 grep '^type _sysinfo ' gen-sysinfo.go | \
1087     sed -e 's/_sysinfo/Sysinfo_t/' \
1088       -e 's/uptime/Uptime/' \
1089       -e 's/loads/Loads/' \
1090       -e 's/totalram/Totalram/' \
1091       -e 's/freeram/Freeram/' \
1092       -e 's/sharedram/Sharedram/' \
1093       -e 's/bufferram/Bufferram/' \
1094       -e 's/totalswap/Totalswap/' \
1095       -e 's/freeswap/Freeswap/' \
1096       -e 's/procs/Procs/' \
1097       -e 's/totalhigh/Totalhigh/' \
1098       -e 's/freehigh/Freehigh/' \
1099       -e 's/mem_unit/Unit/' \
1100     >> ${OUT}
1101
1102 # The ustat struct.
1103 grep '^type _ustat ' gen-sysinfo.go | \
1104     sed -e 's/_ustat/Ustat_t/' \
1105       -e 's/f_tfree/Tfree/' \
1106       -e 's/f_tinode/Tinoe/' \
1107       -e 's/f_fname/Fname/' \
1108       -e 's/f_fpack/Fpack/' \
1109     >> ${OUT}
1110 # Force it to be defined, as on some older GNU/Linux systems the
1111 # header file fails when using with <linux/filter.h>.
1112 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1113   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1114 fi
1115
1116 # The utimbuf struct.
1117 grep '^type _utimbuf ' gen-sysinfo.go | \
1118     sed -e 's/_utimbuf/Utimbuf/' \
1119       -e 's/actime/Actime/' \
1120       -e 's/modtime/Modtime/' \
1121     >> ${OUT}
1122
1123 # The LOCK flags for flock.
1124 grep '^const _LOCK_' gen-sysinfo.go |
1125     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1126
1127 # The PRIO constants.
1128 grep '^const _PRIO_' gen-sysinfo.go | \
1129   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1130
1131 # The GNU/Linux LINUX_REBOOT flags.
1132 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1133     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1134
1135 # The GNU/Linux sock_filter struct.
1136 grep '^type _sock_filter ' gen-sysinfo.go | \
1137     sed -e 's/_sock_filter/SockFilter/' \
1138       -e 's/code/Code/' \
1139       -e 's/jt/Jt/' \
1140       -e 's/jf/Jf/' \
1141       -e 's/k /K /' \
1142     >> ${OUT}
1143
1144 # The GNU/Linux sock_fprog struct.
1145 grep '^type _sock_fprog ' gen-sysinfo.go | \
1146     sed -e 's/_sock_fprog/SockFprog/' \
1147       -e 's/len/Len/' \
1148       -e 's/filter/Filter/' \
1149       -e 's/_sock_filter/SockFilter/' \
1150     >> ${OUT}
1151
1152 # The GNU/Linux filter flags.
1153 grep '^const _BPF_' gen-sysinfo.go | \
1154   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1155
1156 # The GNU/Linux nlattr struct.
1157 grep '^type _nlattr ' gen-sysinfo.go | \
1158     sed -e 's/_nlattr/NlAttr/' \
1159       -e 's/nla_len/Len/' \
1160       -e 's/nla_type/Type/' \
1161     >> ${OUT}
1162
1163 # The GNU/Linux nlmsgerr struct.
1164 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1165     sed -e 's/_nlmsgerr/NlMsgerr/' \
1166       -e 's/error/Error/' \
1167       -e 's/msg/Msg/' \
1168       -e 's/_nlmsghdr/NlMsghdr/' \
1169     >> ${OUT}
1170
1171 # The GNU/Linux rtnexthop struct.
1172 grep '^type _rtnexthop ' gen-sysinfo.go | \
1173     sed -e 's/_rtnexthop/RtNexthop/' \
1174       -e 's/rtnh_len/Len/' \
1175       -e 's/rtnh_flags/Flags/' \
1176       -e 's/rtnh_hops/Hops/' \
1177       -e 's/rtnh_ifindex/Ifindex/' \
1178     >> ${OUT}
1179
1180 # The GNU/Linux netlink flags.
1181 grep '^const _NETLINK_' gen-sysinfo.go | \
1182   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1183 grep '^const _NLA_' gen-sysinfo.go | \
1184   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1185
1186 # The GNU/Linux packet socket flags.
1187 grep '^const _PACKET_' gen-sysinfo.go | \
1188   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1189
1190 # The GNU/Linux inotify_event struct.
1191 grep '^type _inotify_event ' gen-sysinfo.go | \
1192     sed -e 's/_inotify_event/InotifyEvent/' \
1193       -e 's/wd/Wd/' \
1194       -e 's/mask/Mask/' \
1195       -e 's/cookie/Cookie/' \
1196       -e 's/len/Len/' \
1197       -e 's/name/Name/' \
1198       -e 's/\[\]/[0]/' \
1199       -e 's/\[0\]byte/[0]int8/' \
1200     >> ${OUT}
1201
1202 # The GNU/Linux CLONE flags.
1203 grep '^const _CLONE_' gen-sysinfo.go | \
1204   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1205
1206 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1207 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1208     sed -e 's/_in6_addr/[16]byte/' \
1209     >> ${OUT}
1210
1211 # Struct sizes.
1212 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1213     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1214     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1215     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1216     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1217     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1218     icmp6_filter ICMPv6Filter
1219 while test $# != 0; do
1220     nc=$1
1221     ngo=$2
1222     shift
1223     shift
1224     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1225         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1226     fi
1227 done
1228
1229 # In order to compile the net package, we need some sizes to exist
1230 # even if the types do not.
1231 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1232     echo 'const SizeofIPMreq = 8' >> ${OUT}
1233 fi
1234 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1235     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1236 fi
1237 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1238     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1239 fi
1240 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1241     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1242 fi
1243
1244 exit $?