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 #include <grp.h>
 101 #if defined(HAVE_LINUX_FILTER_H)
 102 #include <linux/filter.h>
 103 #endif
 104 #if defined(HAVE_LINUX_IF_ADDR_H)
 105 #include <linux/if_addr.h>
 106 #endif
 107 #if defined(HAVE_LINUX_IF_ETHER_H)
 108 #include <linux/if_ether.h>
 109 #endif
 110 #if defined(HAVE_LINUX_IF_TUN_H)
 111 #include <linux/if_tun.h>
 112 #endif
 113 #if defined(HAVE_LINUX_NETLINK_H)
 114 #include <linux/netlink.h>
 115 #endif
 116 #if defined(HAVE_LINUX_RTNETLINK_H)
 117 #include <linux/rtnetlink.h>
 118 #endif
 119 #if defined(HAVE_NET_IF_H)
 120 #include <net/if.h>
 121 #endif
 122 #if defined(HAVE_NET_IF_ARP_H)
 123 #include <net/if_arp.h>
 124 #endif
 125 #if defined(HAVE_NET_ROUTE_H)
 126 #include <net/route.h>
 127 #endif
 128 #if defined (HAVE_NETPACKET_PACKET_H)
 129 #include <netpacket/packet.h>
 130 #endif
 131 #if defined(HAVE_SYS_MOUNT_H)
 132 #include <sys/mount.h>
 133 #endif
 134 #if defined(HAVE_SYS_VFS_H)
 135 #include <sys/vfs.h>
 136 #endif
 137 #if defined(HAVE_STATFS_H)
 138 #include <sys/statfs.h>
 139 #endif
 140 #if defined(HAVE_SYS_TIMEX_H)
 141 #include <sys/timex.h>
 142 #endif
 143 #if defined(HAVE_SYS_SYSINFO_H)
 144 #include <sys/sysinfo.h>
 145 #endif
 146 #if defined(HAVE_USTAT_H)
 147 #include <ustat.h>
 148 #endif
 149 #if defined(HAVE_UTIME_H)
 150 #include <utime.h>
 151 #endif
 152 #if defined(HAVE_LINUX_ETHER_H)
 153 #include <linux/ether.h>
 154 #endif
 155 #if defined(HAVE_LINUX_FS_H)
 156 #include <linux/fs.h>
 157 #endif
 158 #if defined(HAVE_LINUX_REBOOT_H)
 159 #include <linux/reboot.h>
 160 #endif
 161 #if defined(HAVE_SYS_INOTIFY_H)
 162 #include <sys/inotify.h>
 163 #endif
 164 #if defined(HAVE_NETINET_ICMP6_H)
 165 #include <netinet/icmp6.h>
 166 #endif
 167 #if defined(HAVE_SCHED_H)
 168 #include <sched.h>
 169 #endif
 170
 171 /* Constants that may only be defined as expressions on some systems,
 172    expressions too complex for -fdump-go-spec to handle.  These are
 173    handled specially below.  */
 174 enum {
 175 #ifdef TIOCGWINSZ
 176   TIOCGWINSZ_val = TIOCGWINSZ,
 177 #endif
 178 #ifdef TIOCSWINSZ
 179   TIOCSWINSZ_val = TIOCSWINSZ,
 180 #endif
 181 #ifdef TIOCNOTTY
 182   TIOCNOTTY_val = TIOCNOTTY,
 183 #endif
 184 #ifdef TIOCSCTTY
 185   TIOCSCTTY_val = TIOCSCTTY,
 186 #endif
 187 #ifdef TIOCGPGRP
 188   TIOCGPGRP_val = TIOCGPGRP,
 189 #endif
 190 #ifdef TIOCSPGRP
 191   TIOCSPGRP_val = TIOCSPGRP,
 192 #endif
 193 #ifdef TIOCGPTN
 194   TIOCGPTN_val = TIOCGPTN,
 195 #endif
 196 #ifdef TIOCSPTLCK
 197   TIOCSPTLCK_val = TIOCSPTLCK,
 198 #endif
 199 #ifdef TIOCGDEV
 200   TIOCGDEV_val = TIOCGDEV,
 201 #endif
 202 #ifdef TIOCSIG
 203   TIOCSIG_val = TIOCSIG,
 204 #endif
 205 #ifdef TCGETS
 206   TCGETS_val = TCGETS,
 207 #endif
 208 #ifdef TCSETS
 209   TCSETS_val = TCSETS,
 210 #endif
 211 #ifdef TUNSETIFF
 212   TUNSETIFF_val = TUNSETIFF,
 213 #endif
 214 #ifdef TUNSETNOCSUM
 215   TUNSETNOCSUM_val = TUNSETNOCSUM,
 216 #endif
 217 #ifdef TUNSETDEBUG
 218   TUNSETDEBUG_val = TUNSETDEBUG,
 219 #endif
 220 #ifdef TUNSETPERSIST
 221   TUNSETPERSIST_val = TUNSETPERSIST,
 222 #endif
 223 #ifdef TUNSETOWNER
 224   TUNSETOWNER_val = TUNSETOWNER,
 225 #endif
 226 #ifdef TUNSETLINK
 227   TUNSETLINK_val = TUNSETLINK,
 228 #endif
 229 #ifdef TUNSETGROUP
 230   TUNSETGROUP_val = TUNSETGROUP,
 231 #endif
 232 #ifdef TUNGETFEATURES
 233   TUNGETFEATURES_val = TUNGETFEATURES,
 234 #endif
 235 #ifdef TUNSETOFFLOAD
 236   TUNSETOFFLOAD_val = TUNSETOFFLOAD,
 237 #endif
 238 #ifdef TUNSETTXFILTER
 239   TUNSETTXFILTER_val = TUNSETTXFILTER,
 240 #endif
 241 #ifdef TUNGETIFF
 242   TUNGETIFF_val = TUNGETIFF,
 243 #endif
 244 #ifdef TUNGETSNDBUF
 245   TUNGETSNDBUF_val = TUNGETSNDBUF,
 246 #endif
 247 #ifdef TUNSETSNDBUF
 248   TUNSETSNDBUF_val = TUNSETSNDBUF,
 249 #endif
 250 #ifdef TUNATTACHFILTER
 251   TUNATTACHFILTER_val = TUNATTACHFILTER,
 252 #endif
 253 #ifdef TUNDETACHFILTER
 254   TUNDETACHFILTER_val = TUNDETACHFILTER,
 255 #endif
 256 #ifdef TUNGETVNETHDRSZ
 257   TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ,
 258 #endif
 259 #ifdef TUNSETVNETHDRSZ
 260   TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ,
 261 #endif
 262 #ifdef TUNSETQUEUE
 263   TUNSETQUEUE_val = TUNSETQUEUE,
 264 #endif
 265 #ifdef TUNSETIFINDEX
 266   TUNSETIFINDEX_val = TUNSETIFINDEX,
 267 #endif
 268 #ifdef TUNGETFILTER
 269   TUNGETFILTER_val = TUNGETFILTER,
 270 #endif
 271 #ifdef NLA_HDRLEN
 272   NLA_HDRLEN_val = NLA_HDRLEN,
 273 #endif
 274
 275 };
 276 EOF
 277
 278 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 279
 280 echo 'package syscall' > ${OUT}
 281 echo 'import "unsafe"' >> ${OUT}
 282 echo 'type _ unsafe.Pointer' >> ${OUT}
 283
 284 # Get all the consts and types, skipping ones which could not be
 285 # represented in Go and ones which we need to rewrite.  We also skip
 286 # function declarations, as we don't need them here.  All the symbols
 287 # will all have a leading underscore.
 288 grep -v '^// ' gen-sysinfo.go | \
 289   grep -v '^func' | \
 290   grep -v '^type _timeval ' | \
 291   grep -v '^type _timespec_t ' | \
 292   grep -v '^type _timespec ' | \
 293   grep -v '^type _timestruc_t ' | \
 294   grep -v '^type _epoll_' | \
 295   grep -v 'in6_addr' | \
 296   grep -v 'sockaddr_in6' | \
 297   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 298       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 299       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 300       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 301     >> ${OUT}
 302
 303 # The errno constants.  These get type Errno.
 304 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 305   egrep '#define E[A-Z0-9_]+ ' | \
 306   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 307
 308 # The O_xxx flags.
 309 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 310   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 311 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 312   echo "const O_ASYNC = 0" >> ${OUT}
 313 fi
 314 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 315   echo "const O_CLOEXEC = 0" >> ${OUT}
 316 fi
 317
 318 # The os package requires F_DUPFD_CLOEXEC to be defined.
 319 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 320   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
 321 fi
 322
 323 # These flags can be lost on i386 GNU/Linux when using
 324 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 325 # before we see the definition of F_SETLK64.
 326 for flag in F_GETLK F_SETLK F_SETLKW; do
 327   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 328       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 329     echo "const ${flag} = ${flag}64" >> ${OUT}
 330   fi
 331 done
 332
 333 # The Flock_t struct for fcntl.
 334 grep '^type _flock ' gen-sysinfo.go | \
 335     sed -e 's/type _flock/type Flock_t/' \
 336       -e 's/l_type/Type/' \
 337       -e 's/l_whence/Whence/' \
 338       -e 's/l_start/Start/' \
 339       -e 's/l_len/Len/' \
 340       -e 's/l_pid/Pid/' \
 341     >> ${OUT}
 342
 343 # The signal numbers.
 344 grep '^const _SIG[^_]' gen-sysinfo.go | \
 345   grep -v '^const _SIGEV_' | \
 346   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 347 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 348   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 349     echo "const SIGPOLL = SIGIO" >> ${OUT}
 350   fi
 351 fi
 352 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 353   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 354     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 355   fi
 356 fi
 357
 358 # The syscall numbers.  We force the names to upper case.
 359 grep '^const _SYS_' gen-sysinfo.go | \
 360   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 361   while read sys; do
 362     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 363     echo "const $sup = _$sys" >> ${OUT}
 364   done
 365
 366 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 367 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 368   echo "const SYS_GETDENTS = 0" >> ${OUT}
 369 fi
 370 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 371   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 372 fi
 373
 374 # Stat constants.
 375 grep '^const _S_' gen-sysinfo.go | \
 376   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 377
 378 # Mmap constants.
 379 grep '^const _PROT_' gen-sysinfo.go | \
 380   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 381 grep '^const _MAP_' gen-sysinfo.go | \
 382   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 383 grep '^const _MADV_' gen-sysinfo.go | \
 384   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 385 grep '^const _MCL_' gen-sysinfo.go | \
 386   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 387
 388 # Process status constants.
 389 grep '^const _W' gen-sysinfo.go |
 390   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 391 # WSTOPPED was introduced in glibc 2.3.4.
 392 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 393   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 394     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 395   else
 396     echo 'const WSTOPPED = 2' >> ${OUT}
 397   fi
 398 fi
 399 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 400    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 401   echo 'const WALL = ___WALL' >> ${OUT}
 402 fi
 403
 404 # Networking constants.
 405 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 406   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 407 grep '^const _SOMAXCONN' gen-sysinfo.go |
 408   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 409     >> ${OUT}
 410 grep '^const _SHUT_' gen-sysinfo.go |
 411   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 412
 413 # The net package requires some const definitions.
 414 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 415   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 416     echo "const $m = 0" >> ${OUT}
 417   fi
 418 done
 419 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 420   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 421     echo "const $m = -1" >> ${OUT}
 422   fi
 423 done
 424
 425 # The syscall package requires AF_LOCAL.
 426 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 427   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 428     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 429   fi
 430 fi
 431
 432 # sysconf constants.
 433 grep '^const __SC' gen-sysinfo.go |
 434   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 435
 436 # pathconf constants.
 437 grep '^const __PC' gen-sysinfo.go |
 438   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 439
 440 # The PATH_MAX constant.
 441 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 442   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 443 fi
 444
 445 # epoll constants.
 446 grep '^const _EPOLL' gen-sysinfo.go |
 447   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 448 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 449 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 450   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 451 fi
 452 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 453   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 454 fi
 455
 456 # Prctl constants.
 457 grep '^const _PR_' gen-sysinfo.go |
 458   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 459
 460 # Ptrace constants.
 461 grep '^const _PTRACE' gen-sysinfo.go |
 462   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 463 # We need some ptrace options that are not defined in older versions
 464 # of glibc.
 465 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 466   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 467 fi
 468 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 469   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 470 fi
 471 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 472   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 473 fi
 474 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 475   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 476 fi
 477 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 478   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 479 fi
 480 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 481   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 482 fi
 483 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 484   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 485 fi
 486 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 487   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 488 fi
 489 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 490   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 491 fi
 492 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 493   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 494 fi
 495 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 496   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 497 fi
 498 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 499   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 500 fi
 501 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 502   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 503 fi
 504 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 505   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 506 fi
 507 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 508   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 509 fi
 510 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 511   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 512 fi
 513 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 514   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 515 fi
 516
 517 # A helper function that prints a structure from gen-sysinfo.go with the first
 518 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 519 # is not empty, the structure or type is renamed to $2.
 520 upcase_fields () {
 521   name="$1"
 522   def=`grep "^type $name" gen-sysinfo.go`
 523   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 524   prefix=`echo $def | sed -e 's/{.*//'`
 525   if test "$2" != ""; then
 526     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 527   fi
 528   if test "$fields" != ""; then
 529     nfields=
 530     while test -n "$fields"; do
 531       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 532       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 533       # capitalize the next character.
 534       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 535       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 536       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 537       field="$f$r"
 538       nfields="$nfields $field;"
 539     done
 540     echo "${prefix} {$nfields }"
 541   fi
 542 }
 543
 544 # The registers returned by PTRACE_GETREGS.  This is probably
 545 # GNU/Linux specific; it should do no harm if there is no
 546 # _user_regs_struct.
 547 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 548 if test "$regs" = ""; then
 549   # s390
 550   regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
 551   if test "$regs" != ""; then
 552     # Substructures of __user_regs_struct on s390
 553     upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
 554     upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
 555     upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
 556   fi
 557 fi
 558 if test "$regs" != ""; then
 559   regs=`echo $regs |
 560     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 561   regs=`echo $regs | sed -e s'/^ *//'`
 562   nregs=
 563   while test -n "$regs"; do
 564     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 565     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 566     # Capitalize the first character of the field.
 567     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 568     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 569     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 570     field="$f$r"
 571     field=`echo "$field" | sed \
 572       -e 's/__user_psw_struct/PtracePsw/' \
 573       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 574       -e 's/__user_per_struct/PtracePer/'`
 575     nregs="$nregs $field;"
 576   done
 577   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 578 fi
 579
 580 # Some basic types.
 581 echo 'type Size_t _size_t' >> ${OUT}
 582 echo "type Ssize_t _ssize_t" >> ${OUT}
 583 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 584   echo "type Offset_t _off64_t" >> ${OUT}
 585 else
 586   echo "type Offset_t _off_t" >> ${OUT}
 587 fi
 588 echo "type Mode_t _mode_t" >> ${OUT}
 589 echo "type Pid_t _pid_t" >> ${OUT}
 590 echo "type Uid_t _uid_t" >> ${OUT}
 591 echo "type Gid_t _gid_t" >> ${OUT}
 592 echo "type Socklen_t _socklen_t" >> ${OUT}
 593
 594 # The C int type.
 595 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 596 if test "$sizeof_int" = "4"; then
 597   echo "type _C_int int32" >> ${OUT}
 598   echo "type _C_uint uint32" >> ${OUT}
 599 elif test "$sizeof_int" = "8"; then
 600   echo "type _C_int int64" >> ${OUT}
 601   echo "type _C_uint uint64" >> ${OUT}
 602 else
 603   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 604   exit 1
 605 fi
 606
 607 # The C long type, needed because that is the type that ptrace returns.
 608 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 609 if test "$sizeof_long" = "4"; then
 610   echo "type _C_long int32" >> ${OUT}
 611 elif test "$sizeof_long" = "8"; then
 612   echo "type _C_long int64" >> ${OUT}
 613 else
 614   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 615   exit 1
 616 fi
 617
 618 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 619 # double is commented by -fdump-go-spec.
 620 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 621   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 622 fi
 623 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 624   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 625 fi
 626
 627 # The time_t type.
 628 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 629   echo 'type Time_t _time_t' >> ${OUT}
 630 fi
 631
 632 # The time structures need special handling: we need to name the
 633 # types, so that we can cast integers to the right types when
 634 # assigning to the structures.
 635 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 636 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 637 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 638 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 639 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 640 echo $timeval | \
 641   sed -e 's/type _timeval /type Timeval /' \
 642       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 643       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 644 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 645 if test "$timespec" = ""; then
 646   # IRIX 6.5 has __timespec instead.
 647   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 648 fi
 649 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 650 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 651 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 652 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 653 echo $timespec | \
 654   sed -e 's/^type ___timespec /type Timespec /' \
 655       -e 's/^type _timespec /type Timespec /' \
 656       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 657       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 658
 659 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 660 if test "$timestruc" != ""; then
 661   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 662   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 663   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 664   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 665   echo $timestruc | \
 666     sed -e 's/^type _timestruc_t /type Timestruc /' \
 667         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 668         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 669 fi
 670
 671 # The tms struct.
 672 grep '^type _tms ' gen-sysinfo.go | \
 673     sed -e 's/type _tms/type Tms/' \
 674       -e 's/tms_utime/Utime/' \
 675       -e 's/tms_stime/Stime/' \
 676       -e 's/tms_cutime/Cutime/' \
 677       -e 's/tms_cstime/Cstime/' \
 678     >> ${OUT}
 679
 680 # The stat type.
 681 # Prefer largefile variant if available.
 682 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 683 if test "$stat" != ""; then
 684   grep '^type _stat64 ' gen-sysinfo.go
 685 else
 686   grep '^type _stat ' gen-sysinfo.go
 687 fi | sed -e 's/type _stat64/type Stat_t/' \
 688          -e 's/type _stat/type Stat_t/' \
 689          -e 's/st_dev/Dev/' \
 690          -e 's/st_ino/Ino/g' \
 691          -e 's/st_nlink/Nlink/' \
 692          -e 's/st_mode/Mode/' \
 693          -e 's/st_uid/Uid/' \
 694          -e 's/st_gid/Gid/' \
 695          -e 's/st_rdev/Rdev/' \
 696          -e 's/st_size/Size/' \
 697          -e 's/st_blksize/Blksize/' \
 698          -e 's/st_blocks/Blocks/' \
 699          -e 's/st_atim/Atim/' \
 700          -e 's/st_mtim/Mtim/' \
 701          -e 's/st_ctim/Ctim/' \
 702          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 703          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 704          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 705          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 706          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 707        >> ${OUT}
 708
 709 # The directory searching types.
 710 # Prefer largefile variant if available.
 711 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 712 if test "$dirent" != ""; then
 713   grep '^type _dirent64 ' gen-sysinfo.go
 714 else
 715   grep '^type _dirent ' gen-sysinfo.go
 716 fi | sed -e 's/type _dirent64/type Dirent/' \
 717          -e 's/type _dirent/type Dirent/' \
 718          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 719          -e 's/d_name/Name/' \
 720          -e 's/]int8/]byte/' \
 721          -e 's/d_ino/Ino/' \
 722          -e 's/d_off/Off/' \
 723          -e 's/d_reclen/Reclen/' \
 724          -e 's/d_type/Type/' \
 725       >> ${OUT}
 726 echo "type DIR _DIR" >> ${OUT}
 727
 728 # Values for d_type field in dirent.
 729 grep '^const _DT_' gen-sysinfo.go |
 730   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 731
 732 # The rusage struct.
 733 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 734 if test "$rusage" != ""; then
 735   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 736   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 737   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 738   rusage=`echo $rusage | sed -e 's/^ *//'`
 739   nrusage=
 740   while test -n "$rusage"; do
 741     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 742     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 743     # Drop the leading ru_, capitalize the next character.
 744     field=`echo $field | sed -e 's/^ru_//'`
 745     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 746     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 747     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 748     # Fix _timeval _timespec, and _timestruc_t.
 749     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 750     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 751     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 752     field="$f$r"
 753     nrusage="$nrusage $field;"
 754   done
 755   echo "type Rusage struct {$nrusage }" >> ${OUT}
 756 else
 757   echo "type Rusage struct {}" >> ${OUT}
 758 fi
 759
 760 # The RUSAGE constants.
 761 grep '^const _RUSAGE_' gen-sysinfo.go | \
 762   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 763
 764 # The utsname struct.
 765 grep '^type _utsname ' gen-sysinfo.go | \
 766     sed -e 's/_utsname/Utsname/' \
 767       -e 's/sysname/Sysname/' \
 768       -e 's/nodename/Nodename/' \
 769       -e 's/release/Release/' \
 770       -e 's/version/Version/' \
 771       -e 's/machine/Machine/' \
 772       -e 's/domainname/Domainname/' \
 773     >> ${OUT}
 774
 775 # The iovec struct.
 776 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 777 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 778 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 779 echo $iovec | \
 780     sed -e 's/_iovec/Iovec/' \
 781       -e 's/iov_base/Base/' \
 782       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 783     >> ${OUT}
 784
 785 # The msghdr struct.
 786 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 787 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 788 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 789 echo $msghdr | \
 790     sed -e 's/_msghdr/Msghdr/' \
 791       -e 's/msg_name/Name/' \
 792       -e 's/msg_namelen/Namelen/' \
 793       -e 's/msg_iov/Iov/' \
 794       -e 's/msg_iovlen/Iovlen/' \
 795       -e 's/_iovec/Iovec/' \
 796       -e 's/msg_control/Control/' \
 797       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 798       -e 's/msg_flags/Flags/' \
 799     >> ${OUT}
 800
 801 # The MSG_ flags for Msghdr.
 802 grep '^const _MSG_' gen-sysinfo.go | \
 803   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 804
 805 # The cmsghdr struct.
 806 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 807 if test -n "$cmsghdr"; then
 808   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 809   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 810   echo "$cmsghdr" | \
 811       sed -e 's/_cmsghdr/Cmsghdr/' \
 812         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 813         -e 's/cmsg_level/Level/' \
 814         -e 's/cmsg_type/Type/' \
 815         -e 's/\[\]/[0]/' \
 816       >> ${OUT}
 817 fi
 818
 819 # The SCM_ flags for Cmsghdr.
 820 grep '^const _SCM_' gen-sysinfo.go | \
 821   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 822
 823 # The ucred struct.
 824 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 825
 826 # The ip_mreq struct.
 827 grep '^type _ip_mreq ' gen-sysinfo.go | \
 828     sed -e 's/_ip_mreq/IPMreq/' \
 829       -e 's/imr_multiaddr/Multiaddr/' \
 830       -e 's/imr_interface/Interface/' \
 831       -e 's/_in_addr/[4]byte/g' \
 832     >> ${OUT}
 833
 834 # We need IPMreq to compile the net package.
 835 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 836   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 837 fi
 838
 839 # The ipv6_mreq struct.
 840 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 841     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 842       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 843       -e 's/ipv6mr_interface/Interface/' \
 844       -e 's/_in6_addr/[16]byte/' \
 845     >> ${OUT}
 846
 847 # We need IPv6Mreq to compile the net package.
 848 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 849   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 850 fi
 851
 852 # The ip_mreqn struct.
 853 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 854     sed -e 's/_ip_mreqn/IPMreqn/' \
 855       -e 's/imr_multiaddr/Multiaddr/' \
 856       -e 's/imr_address/Address/' \
 857       -e 's/imr_ifindex/Ifindex/' \
 858       -e 's/_in_addr/[4]byte/g' \
 859     >> ${OUT}
 860
 861 # We need IPMreq to compile the net package.
 862 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 863   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 864 fi
 865
 866 # The icmp6_filter struct.
 867 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 868     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 869       -e 's/data/Data/' \
 870       -e 's/filt/Filt/' \
 871     >> ${OUT}
 872
 873 # We need ICMPv6Filter to compile the syscall package.
 874 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 875   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 876 fi
 877
 878 # The ip6_mtuinfo struct.
 879 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 880     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 881       -e 's/ip6m_addr/Addr/' \
 882       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 883       -e 's/ip6m_mtu/Mtu/' \
 884     >> ${OUT}
 885
 886 # Try to guess the type to use for fd_set.
 887 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 888 fds_bits_type="_C_long"
 889 if test "$fd_set" != ""; then
 890     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 891 fi
 892 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 893
 894 # The addrinfo struct.
 895 grep '^type _addrinfo ' gen-sysinfo.go | \
 896     sed -e 's/_addrinfo/Addrinfo/g' \
 897       -e 's/ ai_/ Ai_/g' \
 898     >> ${OUT}
 899
 900 # The addrinfo and nameinfo flags and errors.
 901 grep '^const _AI_' gen-sysinfo.go | \
 902   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 903 grep '^const _EAI_' gen-sysinfo.go | \
 904   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 905 grep '^const _NI_' gen-sysinfo.go | \
 906   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 907
 908 # The passwd struct.
 909 grep '^type _passwd ' gen-sysinfo.go | \
 910     sed -e 's/_passwd/Passwd/' \
 911       -e 's/ pw_/ Pw_/g' \
 912     >> ${OUT}
 913
 914 # The group struct.
 915 grep '^type _group ' gen-sysinfo.go | \
 916     sed -e 's/_group/Group/' \
 917       -e 's/ gr_/ Gr_/g' \
 918     >> ${OUT}
 919
 920 # The ioctl flags for the controlling TTY.
 921 grep '^const _TIOC' gen-sysinfo.go | \
 922     grep -v '_val =' | \
 923     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 924 grep '^const _TUNSET' gen-sysinfo.go | \
 925     grep -v '_val =' | \
 926     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 927 # We need TIOCGWINSZ.
 928 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 929   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 930     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 931   fi
 932 fi
 933 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 934   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 935     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 936   fi
 937 fi
 938 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 939   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 940     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 941   fi
 942 fi
 943 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 944   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 945     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 946   fi
 947 fi
 948 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 949   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 950     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 951   fi
 952 fi
 953 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 954   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 955     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 956   fi
 957 fi
 958 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 959   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 960     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 961   fi
 962 fi
 963 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 964   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 965     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 966   fi
 967 fi
 968 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 969   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 970     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 971   fi
 972 fi
 973 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 974   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 975     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 976   fi
 977 fi
 978
 979 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 980   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 981     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 982   fi
 983 fi
 984
 985 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 986   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 987     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 988   fi
 989 fi
 990
 991 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 992   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 993     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 994   fi
 995 fi
 996
 997 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 998   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
 999     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
1000   fi
1001 fi
1002
1003 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
1004   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
1005     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
1006   fi
1007 fi
1008
1009 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
1010   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
1011     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
1012   fi
1013 fi
1014
1015 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
1016   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
1017     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
1018   fi
1019 fi
1020
1021 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
1022   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
1023     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
1024   fi
1025 fi
1026
1027 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
1028   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
1029     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
1030   fi
1031 fi
1032
1033 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
1034   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
1035     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
1036   fi
1037 fi
1038
1039 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
1040   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
1041     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
1042   fi
1043 fi
1044
1045 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
1046   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
1047     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
1048   fi
1049 fi
1050
1051 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
1052   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
1053     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
1054   fi
1055 fi
1056
1057 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
1058   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
1059     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
1060   fi
1061 fi
1062
1063 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
1064   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
1065     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
1066   fi
1067 fi
1068
1069 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
1070   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
1071     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
1072   fi
1073 fi
1074
1075 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
1076   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
1077     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
1078   fi
1079 fi
1080
1081 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
1082   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
1083     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
1084   fi
1085 fi
1086
1087
1088 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
1089   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
1090     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
1091   fi
1092 fi
1093
1094 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
1095   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
1096     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
1097   fi
1098 fi
1099
1100 # The ioctl flags for terminal control
1101 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
1102     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1103 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
1104   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
1105     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
1106   fi
1107 fi
1108 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
1109   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
1110     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
1111   fi
1112 fi
1113
1114 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
1115 # needs handling in syscalls.exec.go.
1116 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
1117   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
1118     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
1119   fi
1120 fi
1121
1122 # The nlmsghdr struct.
1123 grep '^type _nlmsghdr ' gen-sysinfo.go | \
1124     sed -e 's/_nlmsghdr/NlMsghdr/' \
1125       -e 's/nlmsg_len/Len/' \
1126       -e 's/nlmsg_type/Type/' \
1127       -e 's/nlmsg_flags/Flags/' \
1128       -e 's/nlmsg_seq/Seq/' \
1129       -e 's/nlmsg_pid/Pid/' \
1130     >> ${OUT}
1131
1132 # The nlmsg flags and operators.
1133 grep '^const _NLM' gen-sysinfo.go | \
1134     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1135
1136 # NLMSG_HDRLEN is defined as an expression using sizeof.
1137 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
1138   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
1139     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
1140   fi
1141 fi
1142
1143 # The rtmsg struct.
1144 grep '^type _rtmsg ' gen-sysinfo.go | \
1145     sed -e 's/_rtmsg/RtMsg/' \
1146       -e 's/rtm_family/Family/' \
1147       -e 's/rtm_dst_len/Dst_len/' \
1148       -e 's/rtm_src_len/Src_len/' \
1149       -e 's/rtm_tos/Tos/' \
1150       -e 's/rtm_table/Table/' \
1151       -e 's/rtm_protocol/Protocol/' \
1152       -e 's/rtm_scope/Scope/' \
1153       -e 's/rtm_type/Type/' \
1154       -e 's/rtm_flags/Flags/' \
1155     >> ${OUT}
1156
1157 # The rtgenmsg struct.
1158 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1159     sed -e 's/_rtgenmsg/RtGenmsg/' \
1160       -e 's/rtgen_family/Family/' \
1161     >> ${OUT}
1162
1163 # The routing message flags.
1164 grep '^const _RT_' gen-sysinfo.go | \
1165     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1166 grep '^const _RTA' gen-sysinfo.go | \
1167     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1168 grep '^const _RTF' gen-sysinfo.go | \
1169     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1170 grep '^const _RTCF' gen-sysinfo.go | \
1171     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1172 grep '^const _RTM' gen-sysinfo.go | \
1173     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1174 grep '^const _RTN' gen-sysinfo.go | \
1175     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1176 grep '^const _RTPROT' gen-sysinfo.go | \
1177     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1178
1179 # The ifinfomsg struct.
1180 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1181     sed -e 's/_ifinfomsg/IfInfomsg/' \
1182       -e 's/ifi_family/Family/' \
1183       -e 's/ifi_type/Type/' \
1184       -e 's/ifi_index/Index/' \
1185       -e 's/ifi_flags/Flags/' \
1186       -e 's/ifi_change/Change/' \
1187     >> ${OUT}
1188
1189 # The interface information types and flags.
1190 grep '^const _IFA' gen-sysinfo.go | \
1191     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1192 grep '^const _IFLA' gen-sysinfo.go | \
1193     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1194 grep '^const _IFF' gen-sysinfo.go | \
1195     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1196 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1197     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1198 grep '^const _SIOC' gen-sysinfo.go |
1199     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1200
1201 # The ifaddrmsg struct.
1202 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1203     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1204       -e 's/ifa_family/Family/' \
1205       -e 's/ifa_prefixlen/Prefixlen/' \
1206       -e 's/ifa_flags/Flags/' \
1207       -e 's/ifa_scope/Scope/' \
1208       -e 's/ifa_index/Index/' \
1209     >> ${OUT}
1210
1211 # The rtattr struct.
1212 grep '^type _rtattr ' gen-sysinfo.go | \
1213     sed -e 's/_rtattr/RtAttr/' \
1214       -e 's/rta_len/Len/' \
1215       -e 's/rta_type/Type/' \
1216     >> ${OUT}
1217
1218 # The in_pktinfo struct.
1219 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1220     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1221       -e 's/ipi_ifindex/Ifindex/' \
1222       -e 's/ipi_spec_dst/Spec_dst/' \
1223       -e 's/ipi_addr/Addr/' \
1224       -e 's/_in_addr/[4]byte/g' \
1225     >> ${OUT}
1226
1227 # The in6_pktinfo struct.
1228 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1229     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1230       -e 's/ipi6_addr/Addr/' \
1231       -e 's/ipi6_ifindex/Ifindex/' \
1232       -e 's/_in6_addr/[16]byte/' \
1233     >> ${OUT}
1234
1235 # The termios struct.
1236 grep '^type _termios ' gen-sysinfo.go | \
1237     sed -e 's/_termios/Termios/' \
1238       -e 's/c_iflag/Iflag/' \
1239       -e 's/c_oflag/Oflag/' \
1240       -e 's/c_cflag/Cflag/' \
1241       -e 's/c_lflag/Lflag/' \
1242       -e 's/c_line/Line/' \
1243       -e 's/c_cc/Cc/' \
1244       -e 's/c_ispeed/Ispeed/' \
1245       -e 's/c_ospeed/Ospeed/' \
1246     >> ${OUT}
1247
1248 # The termios constants.
1249 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1250     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1251     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1252     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1253     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1254     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1255     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1256     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1257     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1258     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1259     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1260     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1261
1262     grep "^const _$n " gen-sysinfo.go | \
1263         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1264 done
1265
1266 # The mount flags
1267 grep '^const _MNT_' gen-sysinfo.go |
1268     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1269 grep '^const _MS_' gen-sysinfo.go |
1270     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1271
1272 # The fallocate flags.
1273 grep '^const _FALLOC_' gen-sysinfo.go |
1274     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1275
1276 # The statfs struct.
1277 # Prefer largefile variant if available.
1278 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1279 if test "$statfs" != ""; then
1280   grep '^type _statfs64 ' gen-sysinfo.go
1281 else
1282   grep '^type _statfs ' gen-sysinfo.go
1283 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1284          -e 's/type _statfs/type Statfs_t/' \
1285          -e 's/f_type/Type/' \
1286          -e 's/f_bsize/Bsize/' \
1287          -e 's/f_blocks/Blocks/' \
1288          -e 's/f_bfree/Bfree/' \
1289          -e 's/f_bavail/Bavail/' \
1290          -e 's/f_files/Files/' \
1291          -e 's/f_ffree/Ffree/' \
1292          -e 's/f_fsid/Fsid/' \
1293          -e 's/f_namelen/Namelen/' \
1294          -e 's/f_frsize/Frsize/' \
1295          -e 's/f_flags/Flags/' \
1296          -e 's/f_spare/Spare/' \
1297     >> ${OUT}
1298
1299 # The timex struct.
1300 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1301 if test "$timex" = ""; then
1302   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1303   if test "$timex" != ""; then
1304     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1305   fi
1306 fi
1307 if test "$timex" != ""; then
1308   echo "$timex" | \
1309     sed -e 's/_timex/Timex/' \
1310       -e 's/modes/Modes/' \
1311       -e 's/offset/Offset/' \
1312       -e 's/freq/Freq/' \
1313       -e 's/maxerror/Maxerror/' \
1314       -e 's/esterror/Esterror/' \
1315       -e 's/status/Status/' \
1316       -e 's/constant/Constant/' \
1317       -e 's/precision/Precision/' \
1318       -e 's/tolerance/Tolerance/' \
1319       -e 's/ time / Time /' \
1320       -e 's/tick/Tick/' \
1321       -e 's/ppsfreq/Ppsfreq/' \
1322       -e 's/jitter/Jitter/' \
1323       -e 's/shift/Shift/' \
1324       -e 's/stabil/Stabil/' \
1325       -e 's/jitcnt/Jitcnt/' \
1326       -e 's/calcnt/Calcnt/' \
1327       -e 's/errcnt/Errcnt/' \
1328       -e 's/stbcnt/Stbcnt/' \
1329       -e 's/tai/Tai/' \
1330       -e 's/_timeval/Timeval/' \
1331     >> ${OUT}
1332 fi
1333
1334 # The rlimit struct.
1335 grep '^type _rlimit ' gen-sysinfo.go | \
1336     sed -e 's/_rlimit/Rlimit/' \
1337       -e 's/rlim_cur/Cur/' \
1338       -e 's/rlim_max/Max/' \
1339     >> ${OUT}
1340
1341 # The RLIMIT constants.
1342 grep '^const _RLIMIT_' gen-sysinfo.go |
1343     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1344 grep '^const _RLIM_' gen-sysinfo.go |
1345     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1346
1347 # The sysinfo struct.
1348 grep '^type _sysinfo ' gen-sysinfo.go | \
1349     sed -e 's/_sysinfo/Sysinfo_t/' \
1350       -e 's/uptime/Uptime/' \
1351       -e 's/loads/Loads/' \
1352       -e 's/totalram/Totalram/' \
1353       -e 's/freeram/Freeram/' \
1354       -e 's/sharedram/Sharedram/' \
1355       -e 's/bufferram/Bufferram/' \
1356       -e 's/totalswap/Totalswap/' \
1357       -e 's/freeswap/Freeswap/' \
1358       -e 's/procs/Procs/' \
1359       -e 's/totalhigh/Totalhigh/' \
1360       -e 's/freehigh/Freehigh/' \
1361       -e 's/mem_unit/Unit/' \
1362     >> ${OUT}
1363
1364 # The ustat struct.
1365 grep '^type _ustat ' gen-sysinfo.go | \
1366     sed -e 's/_ustat/Ustat_t/' \
1367       -e 's/f_tfree/Tfree/' \
1368       -e 's/f_tinode/Tinoe/' \
1369       -e 's/f_fname/Fname/' \
1370       -e 's/f_fpack/Fpack/' \
1371     >> ${OUT}
1372 # Force it to be defined, as on some older GNU/Linux systems the
1373 # header file fails when using with <linux/filter.h>.
1374 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1375   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1376 fi
1377
1378 # The utimbuf struct.
1379 grep '^type _utimbuf ' gen-sysinfo.go | \
1380     sed -e 's/_utimbuf/Utimbuf/' \
1381       -e 's/actime/Actime/' \
1382       -e 's/modtime/Modtime/' \
1383     >> ${OUT}
1384
1385 # The LOCK flags for flock.
1386 grep '^const _LOCK_' gen-sysinfo.go |
1387     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1388
1389 # The PRIO constants.
1390 grep '^const _PRIO_' gen-sysinfo.go | \
1391   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1392
1393 # The GNU/Linux LINUX_REBOOT flags.
1394 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1395     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1396
1397 # The GNU/Linux sock_filter struct.
1398 grep '^type _sock_filter ' gen-sysinfo.go | \
1399     sed -e 's/_sock_filter/SockFilter/' \
1400       -e 's/code/Code/' \
1401       -e 's/jt/Jt/' \
1402       -e 's/jf/Jf/' \
1403       -e 's/k /K /' \
1404     >> ${OUT}
1405
1406 # The GNU/Linux sock_fprog struct.
1407 grep '^type _sock_fprog ' gen-sysinfo.go | \
1408     sed -e 's/_sock_fprog/SockFprog/' \
1409       -e 's/len/Len/' \
1410       -e 's/filter/Filter/' \
1411       -e 's/_sock_filter/SockFilter/' \
1412     >> ${OUT}
1413
1414 # The GNU/Linux filter flags.
1415 grep '^const _BPF_' gen-sysinfo.go | \
1416   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1417
1418 # The GNU/Linux nlattr struct.
1419 grep '^type _nlattr ' gen-sysinfo.go | \
1420     sed -e 's/_nlattr/NlAttr/' \
1421       -e 's/nla_len/Len/' \
1422       -e 's/nla_type/Type/' \
1423     >> ${OUT}
1424
1425 # The GNU/Linux nlmsgerr struct.
1426 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1427     sed -e 's/_nlmsgerr/NlMsgerr/' \
1428       -e 's/error/Error/' \
1429       -e 's/msg/Msg/' \
1430       -e 's/_nlmsghdr/NlMsghdr/' \
1431     >> ${OUT}
1432
1433 # The GNU/Linux rtnexthop struct.
1434 grep '^type _rtnexthop ' gen-sysinfo.go | \
1435     sed -e 's/_rtnexthop/RtNexthop/' \
1436       -e 's/rtnh_len/Len/' \
1437       -e 's/rtnh_flags/Flags/' \
1438       -e 's/rtnh_hops/Hops/' \
1439       -e 's/rtnh_ifindex/Ifindex/' \
1440     >> ${OUT}
1441
1442 # The GNU/Linux netlink flags.
1443 grep '^const _NETLINK_' gen-sysinfo.go | \
1444   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1445 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1446   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1447
1448 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1449   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1450     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1451   fi
1452 fi
1453
1454 # The GNU/Linux packet socket flags.
1455 grep '^const _PACKET_' gen-sysinfo.go | \
1456   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1457
1458 # The GNU/Linux inotify_event struct.
1459 grep '^type _inotify_event ' gen-sysinfo.go | \
1460     sed -e 's/_inotify_event/InotifyEvent/' \
1461       -e 's/wd/Wd/' \
1462       -e 's/mask/Mask/' \
1463       -e 's/cookie/Cookie/' \
1464       -e 's/len/Len/' \
1465       -e 's/name/Name/' \
1466       -e 's/\[\]/[0]/' \
1467       -e 's/\[0\]byte/[0]int8/' \
1468     >> ${OUT}
1469
1470 # The GNU/Linux CLONE flags.
1471 grep '^const _CLONE_' gen-sysinfo.go | \
1472   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1473 # We need some CLONE constants that are not defined in older versions
1474 # of glibc.
1475 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1476   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1477 fi
1478 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1479   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1480 fi
1481
1482 # Struct sizes.
1483 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1484     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1485     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1486     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1487     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1488     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1489     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1490 while test $# != 0; do
1491     nc=$1
1492     ngo=$2
1493     shift
1494     shift
1495     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1496         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1497     fi
1498 done
1499
1500 # In order to compile the net package, we need some sizes to exist
1501 # even if the types do not.
1502 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1503     echo 'const SizeofIPMreq = 8' >> ${OUT}
1504 fi
1505 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1506     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1507 fi
1508 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1509     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1510 fi
1511 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1512     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1513 fi
1514
1515 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1516 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1517     sed -e 's/_in6_addr/[16]byte/' \
1518     >> ${OUT}
1519
1520 # The Solaris 12 _flow_arp_desc_t struct.
1521 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1522     sed -e 's/_in6_addr_t/[16]byte/g' \
1523     >> ${OUT}
1524
1525 # The Solaris 12 _flow_l3_desc_t struct.
1526 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1527     sed -e 's/_in6_addr_t/[16]byte/g' \
1528     >> ${OUT}
1529
1530 # The Solaris 12 _mac_ipaddr_t struct.
1531 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1532     sed -e 's/_in6_addr_t/[16]byte/g' \
1533     >> ${OUT}
1534
1535 # The Solaris 12 _mactun_info_t struct.
1536 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1537     sed -e 's/_in6_addr_t/[16]byte/g' \
1538     >> ${OUT}
1539
1540 exit $?