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 # A helper function that prints a structure from gen-sysinfo.go with the first
 443 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 444 # is not empty, the structure or type is renamed to $2.
 445 upcase_fields () {
 446   name="$1"
 447   def=`grep "^type $name" gen-sysinfo.go`
 448   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 449   prefix=`echo $def | sed -e 's/{.*//'`
 450   if test "$2" != ""; then
 451     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 452   fi
 453   if test "$fields" != ""; then
 454     nfields=
 455     while test -n "$fields"; do
 456       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 457       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 458       # capitalize the next character.
 459       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 460       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 461       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 462       field="$f$r"
 463       nfields="$nfields $field;"
 464     done
 465     echo "${prefix} {$nfields }"
 466   fi
 467 }
 468
 469 # The registers returned by PTRACE_GETREGS.  This is probably
 470 # GNU/Linux specific; it should do no harm if there is no
 471 # _user_regs_struct.
 472 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 473 if test "$regs" == ""; then
 474   # s390
 475   regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
 476   if test "$regs" != ""; then
 477     # Substructures of __user_regs_struct on s390
 478     upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
 479     upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
 480     upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
 481   fi
 482 fi
 483 if test "$regs" != ""; then
 484   regs=`echo $regs |
 485     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 486   regs=`echo $regs | sed -e s'/^ *//'`
 487   nregs=
 488   while test -n "$regs"; do
 489     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 490     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 491     # Capitalize the first character of the field.
 492     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 493     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 494     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 495     field="$f$r"
 496     field=`echo "$field" | sed \
 497       -e 's/__user_psw_struct/PtracePsw/' \
 498       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 499       -e 's/__user_per_struct/PtracePer/'`
 500     nregs="$nregs $field;"
 501   done
 502   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 503 fi
 504
 505 # Some basic types.
 506 echo 'type Size_t _size_t' >> ${OUT}
 507 echo "type Ssize_t _ssize_t" >> ${OUT}
 508 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 509   echo "type Offset_t _off64_t" >> ${OUT}
 510 else
 511   echo "type Offset_t _off_t" >> ${OUT}
 512 fi
 513 echo "type Mode_t _mode_t" >> ${OUT}
 514 echo "type Pid_t _pid_t" >> ${OUT}
 515 echo "type Uid_t _uid_t" >> ${OUT}
 516 echo "type Gid_t _gid_t" >> ${OUT}
 517 echo "type Socklen_t _socklen_t" >> ${OUT}
 518
 519 # The C int type.
 520 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 521 if test "$sizeof_int" = "4"; then
 522   echo "type _C_int int32" >> ${OUT}
 523   echo "type _C_uint uint32" >> ${OUT}
 524 elif test "$sizeof_int" = "8"; then
 525   echo "type _C_int int64" >> ${OUT}
 526   echo "type _C_uint uint64" >> ${OUT}
 527 else
 528   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 529   exit 1
 530 fi
 531
 532 # The C long type, needed because that is the type that ptrace returns.
 533 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 534 if test "$sizeof_long" = "4"; then
 535   echo "type _C_long int32" >> ${OUT}
 536 elif test "$sizeof_long" = "8"; then
 537   echo "type _C_long int64" >> ${OUT}
 538 else
 539   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 540   exit 1
 541 fi
 542
 543 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 544 # double is commented by -fdump-go-spec.
 545 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 546   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 547 fi
 548 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 549   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 550 fi
 551
 552 # The time_t type.
 553 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 554   echo 'type Time_t _time_t' >> ${OUT}
 555 fi
 556
 557 # The time structures need special handling: we need to name the
 558 # types, so that we can cast integers to the right types when
 559 # assigning to the structures.
 560 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 561 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 562 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 563 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 564 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 565 echo $timeval | \
 566   sed -e 's/type _timeval /type Timeval /' \
 567       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 568       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 569 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 570 if test "$timespec" = ""; then
 571   # IRIX 6.5 has __timespec instead.
 572   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 573 fi
 574 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 575 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 576 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 577 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 578 echo $timespec | \
 579   sed -e 's/^type ___timespec /type Timespec /' \
 580       -e 's/^type _timespec /type Timespec /' \
 581       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 582       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 583
 584 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 585 if test "$timestruc" != ""; then
 586   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 587   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 588   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 589   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 590   echo $timestruc | \
 591     sed -e 's/^type _timestruc_t /type Timestruc /' \
 592         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 593         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 594 fi
 595
 596 # The tms struct.
 597 grep '^type _tms ' gen-sysinfo.go | \
 598     sed -e 's/type _tms/type Tms/' \
 599       -e 's/tms_utime/Utime/' \
 600       -e 's/tms_stime/Stime/' \
 601       -e 's/tms_cutime/Cutime/' \
 602       -e 's/tms_cstime/Cstime/' \
 603     >> ${OUT}
 604
 605 # The stat type.
 606 # Prefer largefile variant if available.
 607 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 608 if test "$stat" != ""; then
 609   grep '^type _stat64 ' gen-sysinfo.go
 610 else
 611   grep '^type _stat ' gen-sysinfo.go
 612 fi | sed -e 's/type _stat64/type Stat_t/' \
 613          -e 's/type _stat/type Stat_t/' \
 614          -e 's/st_dev/Dev/' \
 615          -e 's/st_ino/Ino/g' \
 616          -e 's/st_nlink/Nlink/' \
 617          -e 's/st_mode/Mode/' \
 618          -e 's/st_uid/Uid/' \
 619          -e 's/st_gid/Gid/' \
 620          -e 's/st_rdev/Rdev/' \
 621          -e 's/st_size/Size/' \
 622          -e 's/st_blksize/Blksize/' \
 623          -e 's/st_blocks/Blocks/' \
 624          -e 's/st_atim/Atim/' \
 625          -e 's/st_mtim/Mtim/' \
 626          -e 's/st_ctim/Ctim/' \
 627          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 628          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 629          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 630          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 631          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 632        >> ${OUT}
 633
 634 # The directory searching types.
 635 # Prefer largefile variant if available.
 636 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 637 if test "$dirent" != ""; then
 638   grep '^type _dirent64 ' gen-sysinfo.go
 639 else
 640   grep '^type _dirent ' gen-sysinfo.go
 641 fi | sed -e 's/type _dirent64/type Dirent/' \
 642          -e 's/type _dirent/type Dirent/' \
 643          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 644          -e 's/d_name/Name/' \
 645          -e 's/]int8/]byte/' \
 646          -e 's/d_ino/Ino/' \
 647          -e 's/d_off/Off/' \
 648          -e 's/d_reclen/Reclen/' \
 649          -e 's/d_type/Type/' \
 650       >> ${OUT}
 651 echo "type DIR _DIR" >> ${OUT}
 652
 653 # Values for d_type field in dirent.
 654 grep '^const _DT_' gen-sysinfo.go |
 655   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 656
 657 # The rusage struct.
 658 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 659 if test "$rusage" != ""; then
 660   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 661   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 662   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 663   rusage=`echo $rusage | sed -e 's/^ *//'`
 664   nrusage=
 665   while test -n "$rusage"; do
 666     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 667     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 668     # Drop the leading ru_, capitalize the next character.
 669     field=`echo $field | sed -e 's/^ru_//'`
 670     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 671     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 672     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 673     # Fix _timeval _timespec, and _timestruc_t.
 674     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 675     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 676     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 677     field="$f$r"
 678     nrusage="$nrusage $field;"
 679   done
 680   echo "type Rusage struct {$nrusage }" >> ${OUT}
 681 else
 682   echo "type Rusage struct {}" >> ${OUT}
 683 fi
 684
 685 # The RUSAGE constants.
 686 grep '^const _RUSAGE_' gen-sysinfo.go | \
 687   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 688
 689 # The utsname struct.
 690 grep '^type _utsname ' gen-sysinfo.go | \
 691     sed -e 's/_utsname/Utsname/' \
 692       -e 's/sysname/Sysname/' \
 693       -e 's/nodename/Nodename/' \
 694       -e 's/release/Release/' \
 695       -e 's/version/Version/' \
 696       -e 's/machine/Machine/' \
 697       -e 's/domainname/Domainname/' \
 698     >> ${OUT}
 699
 700 # The iovec struct.
 701 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 702 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 703 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 704 echo $iovec | \
 705     sed -e 's/_iovec/Iovec/' \
 706       -e 's/iov_base/Base/' \
 707       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 708     >> ${OUT}
 709
 710 # The msghdr struct.
 711 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 712 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 713 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 714 echo $msghdr | \
 715     sed -e 's/_msghdr/Msghdr/' \
 716       -e 's/msg_name/Name/' \
 717       -e 's/msg_namelen/Namelen/' \
 718       -e 's/msg_iov/Iov/' \
 719       -e 's/msg_iovlen/Iovlen/' \
 720       -e 's/_iovec/Iovec/' \
 721       -e 's/msg_control/Control/' \
 722       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 723       -e 's/msg_flags/Flags/' \
 724     >> ${OUT}
 725
 726 # The MSG_ flags for Msghdr.
 727 grep '^const _MSG_' gen-sysinfo.go | \
 728   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 729
 730 # The cmsghdr struct.
 731 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 732 if test -n "$cmsghdr"; then
 733   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 734   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 735   echo "$cmsghdr" | \
 736       sed -e 's/_cmsghdr/Cmsghdr/' \
 737         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 738         -e 's/cmsg_level/Level/' \
 739         -e 's/cmsg_type/Type/' \
 740         -e 's/\[\]/[0]/' \
 741       >> ${OUT}
 742 fi
 743
 744 # The SCM_ flags for Cmsghdr.
 745 grep '^const _SCM_' gen-sysinfo.go | \
 746   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 747
 748 # The ucred struct.
 749 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 750
 751 # The ip_mreq struct.
 752 grep '^type _ip_mreq ' gen-sysinfo.go | \
 753     sed -e 's/_ip_mreq/IPMreq/' \
 754       -e 's/imr_multiaddr/Multiaddr/' \
 755       -e 's/imr_interface/Interface/' \
 756       -e 's/_in_addr/[4]byte/g' \
 757     >> ${OUT}
 758
 759 # We need IPMreq to compile the net package.
 760 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 761   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 762 fi
 763
 764 # The ipv6_mreq struct.
 765 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 766     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 767       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 768       -e 's/ipv6mr_interface/Interface/' \
 769       -e 's/_in6_addr/[16]byte/' \
 770     >> ${OUT}
 771
 772 # We need IPv6Mreq to compile the net package.
 773 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 774   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 775 fi
 776
 777 # The ip_mreqn struct.
 778 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 779     sed -e 's/_ip_mreqn/IPMreqn/' \
 780       -e 's/imr_multiaddr/Multiaddr/' \
 781       -e 's/imr_address/Address/' \
 782       -e 's/imr_ifindex/Ifindex/' \
 783       -e 's/_in_addr/[4]byte/g' \
 784     >> ${OUT}
 785
 786 # We need IPMreq to compile the net package.
 787 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 788   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 789 fi
 790
 791 # The icmp6_filter struct.
 792 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 793     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 794       -e 's/data/Data/' \
 795       -e 's/filt/Filt/' \
 796     >> ${OUT}
 797
 798 # We need ICMPv6Filter to compile the syscall package.
 799 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 800   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 801 fi
 802
 803 # Try to guess the type to use for fd_set.
 804 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 805 fds_bits_type="_C_long"
 806 if test "$fd_set" != ""; then
 807     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 808 fi
 809 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 810
 811 # The addrinfo struct.
 812 grep '^type _addrinfo ' gen-sysinfo.go | \
 813     sed -e 's/_addrinfo/Addrinfo/g' \
 814       -e 's/ ai_/ Ai_/g' \
 815     >> ${OUT}
 816
 817 # The addrinfo flags and errors.
 818 grep '^const _AI_' gen-sysinfo.go | \
 819   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 820 grep '^const _EAI_' gen-sysinfo.go | \
 821   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 822
 823 # The passwd struct.
 824 grep '^type _passwd ' gen-sysinfo.go | \
 825     sed -e 's/_passwd/Passwd/' \
 826       -e 's/ pw_/ Pw_/g' \
 827     >> ${OUT}
 828
 829 # The ioctl flags for the controlling TTY.
 830 grep '^const _TIOC' gen-sysinfo.go | \
 831     grep -v '_val =' | \
 832     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 833 # We need TIOCGWINSZ.
 834 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 835   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 836     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 837   fi
 838 fi
 839 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 840   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 841     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 842   fi
 843 fi
 844 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 845   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 846     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 847   fi
 848 fi
 849 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 850   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 851     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 852   fi
 853 fi
 854 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 855   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 856     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 857   fi
 858 fi
 859 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 860   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 861     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 862   fi
 863 fi
 864 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 865   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 866     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 867   fi
 868 fi
 869 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 870   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 871     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 872   fi
 873 fi
 874
 875 # The ioctl flags for terminal control
 876 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
 877     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 878 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
 879   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
 880     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
 881   fi
 882 fi
 883 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
 884   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
 885     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
 886   fi
 887 fi
 888
 889 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 890 # needs handling in syscalls.exec.go.
 891 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 892   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 893     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 894   fi
 895 fi
 896
 897 # The nlmsghdr struct.
 898 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 899     sed -e 's/_nlmsghdr/NlMsghdr/' \
 900       -e 's/nlmsg_len/Len/' \
 901       -e 's/nlmsg_type/Type/' \
 902       -e 's/nlmsg_flags/Flags/' \
 903       -e 's/nlmsg_seq/Seq/' \
 904       -e 's/nlmsg_pid/Pid/' \
 905     >> ${OUT}
 906
 907 # The nlmsg flags and operators.
 908 grep '^const _NLM' gen-sysinfo.go | \
 909     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 910
 911 # NLMSG_HDRLEN is defined as an expression using sizeof.
 912 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 913   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 914     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 915   fi
 916 fi
 917
 918 # The rtmsg struct.
 919 grep '^type _rtmsg ' gen-sysinfo.go | \
 920     sed -e 's/_rtmsg/RtMsg/' \
 921       -e 's/rtm_family/Family/' \
 922       -e 's/rtm_dst_len/Dst_len/' \
 923       -e 's/rtm_src_len/Src_len/' \
 924       -e 's/rtm_tos/Tos/' \
 925       -e 's/rtm_table/Table/' \
 926       -e 's/rtm_protocol/Protocol/' \
 927       -e 's/rtm_scope/Scope/' \
 928       -e 's/rtm_type/Type/' \
 929       -e 's/rtm_flags/Flags/' \
 930     >> ${OUT}
 931
 932 # The rtgenmsg struct.
 933 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 934     sed -e 's/_rtgenmsg/RtGenmsg/' \
 935       -e 's/rtgen_family/Family/' \
 936     >> ${OUT}
 937
 938 # The routing message flags.
 939 grep '^const _RT_' gen-sysinfo.go | \
 940     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 941 grep '^const _RTA' gen-sysinfo.go | \
 942     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 943 grep '^const _RTF' gen-sysinfo.go | \
 944     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 945 grep '^const _RTCF' gen-sysinfo.go | \
 946     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 947 grep '^const _RTM' gen-sysinfo.go | \
 948     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 949 grep '^const _RTN' gen-sysinfo.go | \
 950     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 951 grep '^const _RTPROT' gen-sysinfo.go | \
 952     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 953
 954 # The ifinfomsg struct.
 955 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 956     sed -e 's/_ifinfomsg/IfInfomsg/' \
 957       -e 's/ifi_family/Family/' \
 958       -e 's/ifi_type/Type/' \
 959       -e 's/ifi_index/Index/' \
 960       -e 's/ifi_flags/Flags/' \
 961       -e 's/ifi_change/Change/' \
 962     >> ${OUT}
 963
 964 # The interface information types and flags.
 965 grep '^const _IFA' gen-sysinfo.go | \
 966     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 967 grep '^const _IFLA' gen-sysinfo.go | \
 968     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 969 grep '^const _IFF' gen-sysinfo.go | \
 970     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 971 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 972     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 973 grep '^const _SIOC' gen-sysinfo.go |
 974     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 975
 976 # The ifaddrmsg struct.
 977 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 978     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 979       -e 's/ifa_family/Family/' \
 980       -e 's/ifa_prefixlen/Prefixlen/' \
 981       -e 's/ifa_flags/Flags/' \
 982       -e 's/ifa_scope/Scope/' \
 983       -e 's/ifa_index/Index/' \
 984     >> ${OUT}
 985
 986 # The rtattr struct.
 987 grep '^type _rtattr ' gen-sysinfo.go | \
 988     sed -e 's/_rtattr/RtAttr/' \
 989       -e 's/rta_len/Len/' \
 990       -e 's/rta_type/Type/' \
 991     >> ${OUT}
 992
 993 # The in_pktinfo struct.
 994 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 995     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 996       -e 's/ipi_ifindex/Ifindex/' \
 997       -e 's/ipi_spec_dst/Spec_dst/' \
 998       -e 's/ipi_addr/Addr/' \
 999       -e 's/_in_addr/[4]byte/g' \
1000     >> ${OUT}
1001
1002 # The in6_pktinfo struct.
1003 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1004     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1005       -e 's/ipi6_addr/Addr/' \
1006       -e 's/ipi6_ifindex/Ifindex/' \
1007       -e 's/_in6_addr/[16]byte/' \
1008     >> ${OUT}
1009
1010 # The termios struct.
1011 grep '^type _termios ' gen-sysinfo.go | \
1012     sed -e 's/_termios/Termios/' \
1013       -e 's/c_iflag/Iflag/' \
1014       -e 's/c_oflag/Oflag/' \
1015       -e 's/c_cflag/Cflag/' \
1016       -e 's/c_lflag/Lflag/' \
1017       -e 's/c_line/Line/' \
1018       -e 's/c_cc/Cc/' \
1019       -e 's/c_ispeed/Ispeed/' \
1020       -e 's/c_ospeed/Ospeed/' \
1021     >> ${OUT}
1022
1023 # The termios constants.
1024 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1025     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1026     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1027     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1028     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1029     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1030     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1031     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1032     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1033     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1034     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1035     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1036
1037     grep "^const _$n " gen-sysinfo.go | \
1038         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1039 done
1040
1041 # The mount flags
1042 grep '^const _MNT_' gen-sysinfo.go |
1043     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1044 grep '^const _MS_' gen-sysinfo.go |
1045     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1046
1047 # The fallocate flags.
1048 grep '^const _FALLOC_' gen-sysinfo.go |
1049     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1050
1051 # The statfs struct.
1052 # Prefer largefile variant if available.
1053 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1054 if test "$statfs" != ""; then
1055   grep '^type _statfs64 ' gen-sysinfo.go
1056 else
1057   grep '^type _statfs ' gen-sysinfo.go
1058 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1059          -e 's/type _statfs/type Statfs_t/' \
1060          -e 's/f_type/Type/' \
1061          -e 's/f_bsize/Bsize/' \
1062          -e 's/f_blocks/Blocks/' \
1063          -e 's/f_bfree/Bfree/' \
1064          -e 's/f_bavail/Bavail/' \
1065          -e 's/f_files/Files/' \
1066          -e 's/f_ffree/Ffree/' \
1067          -e 's/f_fsid/Fsid/' \
1068          -e 's/f_namelen/Namelen/' \
1069          -e 's/f_frsize/Frsize/' \
1070          -e 's/f_flags/Flags/' \
1071          -e 's/f_spare/Spare/' \
1072     >> ${OUT}
1073
1074 # The timex struct.
1075 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1076 if test "$timex" = ""; then
1077   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1078   if test "$timex" != ""; then
1079     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1080   fi
1081 fi
1082 if test "$timex" != ""; then
1083   echo "$timex" | \
1084     sed -e 's/_timex/Timex/' \
1085       -e 's/modes/Modes/' \
1086       -e 's/offset/Offset/' \
1087       -e 's/freq/Freq/' \
1088       -e 's/maxerror/Maxerror/' \
1089       -e 's/esterror/Esterror/' \
1090       -e 's/status/Status/' \
1091       -e 's/constant/Constant/' \
1092       -e 's/precision/Precision/' \
1093       -e 's/tolerance/Tolerance/' \
1094       -e 's/ time / Time /' \
1095       -e 's/tick/Tick/' \
1096       -e 's/ppsfreq/Ppsfreq/' \
1097       -e 's/jitter/Jitter/' \
1098       -e 's/shift/Shift/' \
1099       -e 's/stabil/Stabil/' \
1100       -e 's/jitcnt/Jitcnt/' \
1101       -e 's/calcnt/Calcnt/' \
1102       -e 's/errcnt/Errcnt/' \
1103       -e 's/stbcnt/Stbcnt/' \
1104       -e 's/tai/Tai/' \
1105       -e 's/_timeval/Timeval/' \
1106     >> ${OUT}
1107 fi
1108
1109 # The rlimit struct.
1110 grep '^type _rlimit ' gen-sysinfo.go | \
1111     sed -e 's/_rlimit/Rlimit/' \
1112       -e 's/rlim_cur/Cur/' \
1113       -e 's/rlim_max/Max/' \
1114     >> ${OUT}
1115
1116 # The RLIMIT constants.
1117 grep '^const _RLIMIT_' gen-sysinfo.go |
1118     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1119 grep '^const _RLIM_' gen-sysinfo.go |
1120     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1121
1122 # The sysinfo struct.
1123 grep '^type _sysinfo ' gen-sysinfo.go | \
1124     sed -e 's/_sysinfo/Sysinfo_t/' \
1125       -e 's/uptime/Uptime/' \
1126       -e 's/loads/Loads/' \
1127       -e 's/totalram/Totalram/' \
1128       -e 's/freeram/Freeram/' \
1129       -e 's/sharedram/Sharedram/' \
1130       -e 's/bufferram/Bufferram/' \
1131       -e 's/totalswap/Totalswap/' \
1132       -e 's/freeswap/Freeswap/' \
1133       -e 's/procs/Procs/' \
1134       -e 's/totalhigh/Totalhigh/' \
1135       -e 's/freehigh/Freehigh/' \
1136       -e 's/mem_unit/Unit/' \
1137     >> ${OUT}
1138
1139 # The ustat struct.
1140 grep '^type _ustat ' gen-sysinfo.go | \
1141     sed -e 's/_ustat/Ustat_t/' \
1142       -e 's/f_tfree/Tfree/' \
1143       -e 's/f_tinode/Tinoe/' \
1144       -e 's/f_fname/Fname/' \
1145       -e 's/f_fpack/Fpack/' \
1146     >> ${OUT}
1147 # Force it to be defined, as on some older GNU/Linux systems the
1148 # header file fails when using with <linux/filter.h>.
1149 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1150   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1151 fi
1152
1153 # The utimbuf struct.
1154 grep '^type _utimbuf ' gen-sysinfo.go | \
1155     sed -e 's/_utimbuf/Utimbuf/' \
1156       -e 's/actime/Actime/' \
1157       -e 's/modtime/Modtime/' \
1158     >> ${OUT}
1159
1160 # The LOCK flags for flock.
1161 grep '^const _LOCK_' gen-sysinfo.go |
1162     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1163
1164 # The PRIO constants.
1165 grep '^const _PRIO_' gen-sysinfo.go | \
1166   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1167
1168 # The GNU/Linux LINUX_REBOOT flags.
1169 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1170     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1171
1172 # The GNU/Linux sock_filter struct.
1173 grep '^type _sock_filter ' gen-sysinfo.go | \
1174     sed -e 's/_sock_filter/SockFilter/' \
1175       -e 's/code/Code/' \
1176       -e 's/jt/Jt/' \
1177       -e 's/jf/Jf/' \
1178       -e 's/k /K /' \
1179     >> ${OUT}
1180
1181 # The GNU/Linux sock_fprog struct.
1182 grep '^type _sock_fprog ' gen-sysinfo.go | \
1183     sed -e 's/_sock_fprog/SockFprog/' \
1184       -e 's/len/Len/' \
1185       -e 's/filter/Filter/' \
1186       -e 's/_sock_filter/SockFilter/' \
1187     >> ${OUT}
1188
1189 # The GNU/Linux filter flags.
1190 grep '^const _BPF_' gen-sysinfo.go | \
1191   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1192
1193 # The GNU/Linux nlattr struct.
1194 grep '^type _nlattr ' gen-sysinfo.go | \
1195     sed -e 's/_nlattr/NlAttr/' \
1196       -e 's/nla_len/Len/' \
1197       -e 's/nla_type/Type/' \
1198     >> ${OUT}
1199
1200 # The GNU/Linux nlmsgerr struct.
1201 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1202     sed -e 's/_nlmsgerr/NlMsgerr/' \
1203       -e 's/error/Error/' \
1204       -e 's/msg/Msg/' \
1205       -e 's/_nlmsghdr/NlMsghdr/' \
1206     >> ${OUT}
1207
1208 # The GNU/Linux rtnexthop struct.
1209 grep '^type _rtnexthop ' gen-sysinfo.go | \
1210     sed -e 's/_rtnexthop/RtNexthop/' \
1211       -e 's/rtnh_len/Len/' \
1212       -e 's/rtnh_flags/Flags/' \
1213       -e 's/rtnh_hops/Hops/' \
1214       -e 's/rtnh_ifindex/Ifindex/' \
1215     >> ${OUT}
1216
1217 # The GNU/Linux netlink flags.
1218 grep '^const _NETLINK_' gen-sysinfo.go | \
1219   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1220 grep '^const _NLA_' gen-sysinfo.go | \
1221   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1222
1223 # The GNU/Linux packet socket flags.
1224 grep '^const _PACKET_' gen-sysinfo.go | \
1225   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1226
1227 # The GNU/Linux inotify_event struct.
1228 grep '^type _inotify_event ' gen-sysinfo.go | \
1229     sed -e 's/_inotify_event/InotifyEvent/' \
1230       -e 's/wd/Wd/' \
1231       -e 's/mask/Mask/' \
1232       -e 's/cookie/Cookie/' \
1233       -e 's/len/Len/' \
1234       -e 's/name/Name/' \
1235       -e 's/\[\]/[0]/' \
1236       -e 's/\[0\]byte/[0]int8/' \
1237     >> ${OUT}
1238
1239 # The GNU/Linux CLONE flags.
1240 grep '^const _CLONE_' gen-sysinfo.go | \
1241   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1242
1243 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1244 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1245     sed -e 's/_in6_addr/[16]byte/' \
1246     >> ${OUT}
1247
1248 # Struct sizes.
1249 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1250     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1251     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1252     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1253     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1254     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1255     icmp6_filter ICMPv6Filter
1256 while test $# != 0; do
1257     nc=$1
1258     ngo=$2
1259     shift
1260     shift
1261     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1262         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1263     fi
1264 done
1265
1266 # In order to compile the net package, we need some sizes to exist
1267 # even if the types do not.
1268 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1269     echo 'const SizeofIPMreq = 8' >> ${OUT}
1270 fi
1271 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1272     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1273 fi
1274 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1275     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1276 fi
1277 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1278     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1279 fi
1280
1281 exit $?