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 <ucontext.h>
  33 #include <netinet/in.h>
  34 /* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
  35    included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
  36    && !_XOPEN_SOURCE.
  37    <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
  38    <sys/ttold.h> does so unconditionally.  */
  39 #ifdef __sgi__
  40 #include <sys/bsd_types.h>
  41 #include <sys/ttold.h>
  42 #endif
  43 #include <netinet/tcp.h>
  44 #if defined(HAVE_NETINET_IN_SYSTM_H)
  45 #include <netinet/in_systm.h>
  46 #endif
  47 #if defined(HAVE_NETINET_IP_H)
  48 #include <netinet/ip.h>
  49 #endif
  50 #if defined(HAVE_NETINET_IP_MROUTE_H)
  51 #include <netinet/ip_mroute.h>
  52 #endif
  53 #if defined(HAVE_NETINET_IF_ETHER_H)
  54 #include <netinet/if_ether.h>
  55 #endif
  56 #include <signal.h>
  57 #include <sys/ioctl.h>
  58 #include <termios.h>
  59 #if defined(HAVE_SYSCALL_H)
  60 #include <syscall.h>
  61 #endif
  62 #if defined(HAVE_SYS_SYSCALL_H)
  63 #include <sys/syscall.h>
  64 #endif
  65 #if defined(HAVE_SYS_EPOLL_H)
  66 #include <sys/epoll.h>
  67 #endif
  68 #if defined(HAVE_SYS_FILE_H)
  69 #include <sys/file.h>
  70 #endif
  71 #if defined(HAVE_SYS_MMAN_H)
  72 #include <sys/mman.h>
  73 #endif
  74 #if defined(HAVE_SYS_PRCTL_H)
  75 #include <sys/prctl.h>
  76 #endif
  77 #if defined(HAVE_SYS_PTRACE_H)
  78 #include <sys/ptrace.h>
  79 #endif
  80 #include <sys/resource.h>
  81 #include <sys/uio.h>
  82 #include <sys/socket.h>
  83 #include <sys/stat.h>
  84 #include <sys/time.h>
  85 #include <sys/times.h>
  86 #include <sys/wait.h>
  87 #include <sys/un.h>
  88 #if defined(HAVE_SYS_USER_H)
  89 #include <sys/user.h>
  90 #endif
  91 #if defined(HAVE_SYS_UTSNAME_H)
  92 #include <sys/utsname.h>
  93 #endif
  94 #if defined(HAVE_SYS_SELECT_H)
  95 #include <sys/select.h>
  96 #endif
  97 #include <time.h>
  98 #include <unistd.h>
  99 #include <netdb.h>
 100 #include <pwd.h>
 101 #include <grp.h>
 102 #if defined(HAVE_LINUX_FILTER_H)
 103 #include <linux/filter.h>
 104 #endif
 105 #if defined(HAVE_LINUX_IF_ADDR_H)
 106 #include <linux/if_addr.h>
 107 #endif
 108 #if defined(HAVE_LINUX_IF_ETHER_H)
 109 #include <linux/if_ether.h>
 110 #endif
 111 #if defined(HAVE_LINUX_IF_TUN_H)
 112 #include <linux/if_tun.h>
 113 #endif
 114 #if defined(HAVE_LINUX_NETLINK_H)
 115 #include <linux/netlink.h>
 116 #endif
 117 #if defined(HAVE_LINUX_RTNETLINK_H)
 118 #include <linux/rtnetlink.h>
 119 #endif
 120 #if defined(HAVE_NET_IF_H)
 121 #include <net/if.h>
 122 #endif
 123 #if defined(HAVE_NET_IF_ARP_H)
 124 #include <net/if_arp.h>
 125 #endif
 126 #if defined(HAVE_NET_ROUTE_H)
 127 #include <net/route.h>
 128 #endif
 129 #if defined (HAVE_NETPACKET_PACKET_H)
 130 #include <netpacket/packet.h>
 131 #endif
 132 #if defined(HAVE_SYS_MOUNT_H)
 133 #include <sys/mount.h>
 134 #endif
 135 #if defined(HAVE_SYS_VFS_H)
 136 #include <sys/vfs.h>
 137 #endif
 138 #if defined(HAVE_STATFS_H)
 139 #include <sys/statfs.h>
 140 #endif
 141 #if defined(HAVE_SYS_TIMEX_H)
 142 #include <sys/timex.h>
 143 #endif
 144 #if defined(HAVE_SYS_SYSINFO_H)
 145 #include <sys/sysinfo.h>
 146 #endif
 147 #if defined(HAVE_USTAT_H)
 148 #include <ustat.h>
 149 #endif
 150 #if defined(HAVE_UTIME_H)
 151 #include <utime.h>
 152 #endif
 153 #if defined(HAVE_LINUX_ETHER_H)
 154 #include <linux/ether.h>
 155 #endif
 156 #if defined(HAVE_LINUX_FS_H)
 157 #include <linux/fs.h>
 158 #endif
 159 #if defined(HAVE_LINUX_REBOOT_H)
 160 #include <linux/reboot.h>
 161 #endif
 162 #if defined(HAVE_SYS_INOTIFY_H)
 163 #include <sys/inotify.h>
 164 #endif
 165 #if defined(HAVE_NETINET_ICMP6_H)
 166 #include <netinet/icmp6.h>
 167 #endif
 168 #if defined(HAVE_SCHED_H)
 169 #include <sched.h>
 170 #endif
 171
 172 /* Constants that may only be defined as expressions on some systems,
 173    expressions too complex for -fdump-go-spec to handle.  These are
 174    handled specially below.  */
 175 enum {
 176 #ifdef TIOCGWINSZ
 177   TIOCGWINSZ_val = TIOCGWINSZ,
 178 #endif
 179 #ifdef TIOCSWINSZ
 180   TIOCSWINSZ_val = TIOCSWINSZ,
 181 #endif
 182 #ifdef TIOCNOTTY
 183   TIOCNOTTY_val = TIOCNOTTY,
 184 #endif
 185 #ifdef TIOCSCTTY
 186   TIOCSCTTY_val = TIOCSCTTY,
 187 #endif
 188 #ifdef TIOCGPGRP
 189   TIOCGPGRP_val = TIOCGPGRP,
 190 #endif
 191 #ifdef TIOCSPGRP
 192   TIOCSPGRP_val = TIOCSPGRP,
 193 #endif
 194 #ifdef TIOCGPTN
 195   TIOCGPTN_val = TIOCGPTN,
 196 #endif
 197 #ifdef TIOCSPTLCK
 198   TIOCSPTLCK_val = TIOCSPTLCK,
 199 #endif
 200 #ifdef TIOCGDEV
 201   TIOCGDEV_val = TIOCGDEV,
 202 #endif
 203 #ifdef TIOCSIG
 204   TIOCSIG_val = TIOCSIG,
 205 #endif
 206 #ifdef TCGETS
 207   TCGETS_val = TCGETS,
 208 #endif
 209 #ifdef TCSETS
 210   TCSETS_val = TCSETS,
 211 #endif
 212 #ifdef TUNSETIFF
 213   TUNSETIFF_val = TUNSETIFF,
 214 #endif
 215 #ifdef TUNSETNOCSUM
 216   TUNSETNOCSUM_val = TUNSETNOCSUM,
 217 #endif
 218 #ifdef TUNSETDEBUG
 219   TUNSETDEBUG_val = TUNSETDEBUG,
 220 #endif
 221 #ifdef TUNSETPERSIST
 222   TUNSETPERSIST_val = TUNSETPERSIST,
 223 #endif
 224 #ifdef TUNSETOWNER
 225   TUNSETOWNER_val = TUNSETOWNER,
 226 #endif
 227 #ifdef TUNSETLINK
 228   TUNSETLINK_val = TUNSETLINK,
 229 #endif
 230 #ifdef TUNSETGROUP
 231   TUNSETGROUP_val = TUNSETGROUP,
 232 #endif
 233 #ifdef TUNGETFEATURES
 234   TUNGETFEATURES_val = TUNGETFEATURES,
 235 #endif
 236 #ifdef TUNSETOFFLOAD
 237   TUNSETOFFLOAD_val = TUNSETOFFLOAD,
 238 #endif
 239 #ifdef TUNSETTXFILTER
 240   TUNSETTXFILTER_val = TUNSETTXFILTER,
 241 #endif
 242 #ifdef TUNGETIFF
 243   TUNGETIFF_val = TUNGETIFF,
 244 #endif
 245 #ifdef TUNGETSNDBUF
 246   TUNGETSNDBUF_val = TUNGETSNDBUF,
 247 #endif
 248 #ifdef TUNSETSNDBUF
 249   TUNSETSNDBUF_val = TUNSETSNDBUF,
 250 #endif
 251 #ifdef TUNATTACHFILTER
 252   TUNATTACHFILTER_val = TUNATTACHFILTER,
 253 #endif
 254 #ifdef TUNDETACHFILTER
 255   TUNDETACHFILTER_val = TUNDETACHFILTER,
 256 #endif
 257 #ifdef TUNGETVNETHDRSZ
 258   TUNGETVNETHDRSZ_val = TUNGETVNETHDRSZ,
 259 #endif
 260 #ifdef TUNSETVNETHDRSZ
 261   TUNSETVNETHDRSZ_val = TUNSETVNETHDRSZ,
 262 #endif
 263 #ifdef TUNSETQUEUE
 264   TUNSETQUEUE_val = TUNSETQUEUE,
 265 #endif
 266 #ifdef TUNSETIFINDEX
 267   TUNSETIFINDEX_val = TUNSETIFINDEX,
 268 #endif
 269 #ifdef TUNGETFILTER
 270   TUNGETFILTER_val = TUNGETFILTER,
 271 #endif
 272 #ifdef NLA_HDRLEN
 273   NLA_HDRLEN_val = NLA_HDRLEN,
 274 #endif
 275
 276 };
 277 EOF
 278
 279 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 280
 281 echo 'package syscall' > ${OUT}
 282 echo 'import "unsafe"' >> ${OUT}
 283 echo 'type _ unsafe.Pointer' >> ${OUT}
 284
 285 # Get all the consts and types, skipping ones which could not be
 286 # represented in Go and ones which we need to rewrite.  We also skip
 287 # function declarations, as we don't need them here.  All the symbols
 288 # will all have a leading underscore.
 289 grep -v '^// ' gen-sysinfo.go | \
 290   grep -v '^func' | \
 291   grep -v '^type _timeval ' | \
 292   grep -v '^type _timespec_t ' | \
 293   grep -v '^type _timespec ' | \
 294   grep -v '^type _timestruc_t ' | \
 295   grep -v '^type _epoll_' | \
 296   grep -v 'in6_addr' | \
 297   grep -v 'sockaddr_in6' | \
 298   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 299       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 300       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 301       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 302     >> ${OUT}
 303
 304 # The errno constants.  These get type Errno.
 305 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 306   egrep '#define E[A-Z0-9_]+ ' | \
 307   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 308
 309 # The O_xxx flags.
 310 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 311   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 312 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 313   echo "const O_ASYNC = 0" >> ${OUT}
 314 fi
 315 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 316   echo "const O_CLOEXEC = 0" >> ${OUT}
 317 fi
 318
 319 # The os package requires F_DUPFD_CLOEXEC to be defined.
 320 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 321   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
 322 fi
 323
 324 # These flags can be lost on i386 GNU/Linux when using
 325 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 326 # before we see the definition of F_SETLK64.
 327 for flag in F_GETLK F_SETLK F_SETLKW; do
 328   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 329       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 330     echo "const ${flag} = ${flag}64" >> ${OUT}
 331   fi
 332 done
 333
 334 # The Flock_t struct for fcntl.
 335 grep '^type _flock ' gen-sysinfo.go | \
 336     sed -e 's/type _flock/type Flock_t/' \
 337       -e 's/l_type/Type/' \
 338       -e 's/l_whence/Whence/' \
 339       -e 's/l_start/Start/' \
 340       -e 's/l_len/Len/' \
 341       -e 's/l_pid/Pid/' \
 342     >> ${OUT}
 343
 344 # The signal numbers.
 345 grep '^const _SIG[^_]' gen-sysinfo.go | \
 346   grep -v '^const _SIGEV_' | \
 347   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 348 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 349   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 350     echo "const SIGPOLL = SIGIO" >> ${OUT}
 351   fi
 352 fi
 353 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 354   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 355     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 356   fi
 357 fi
 358
 359 # The syscall numbers.  We force the names to upper case.
 360 grep '^const _SYS_' gen-sysinfo.go | \
 361   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 362   while read sys; do
 363     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 364     echo "const $sup = _$sys" >> ${OUT}
 365   done
 366
 367 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 368 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 369   echo "const SYS_GETDENTS = 0" >> ${OUT}
 370 fi
 371 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 372   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 373 fi
 374
 375 # Stat constants.
 376 grep '^const _S_' gen-sysinfo.go | \
 377   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 378
 379 # Mmap constants.
 380 grep '^const _PROT_' gen-sysinfo.go | \
 381   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 382 grep '^const _MAP_' gen-sysinfo.go | \
 383   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 384 grep '^const _MADV_' gen-sysinfo.go | \
 385   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 386 grep '^const _MCL_' gen-sysinfo.go | \
 387   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 388
 389 # Process status constants.
 390 grep '^const _W' gen-sysinfo.go |
 391   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 392 # WSTOPPED was introduced in glibc 2.3.4.
 393 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 394   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 395     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 396   else
 397     echo 'const WSTOPPED = 2' >> ${OUT}
 398   fi
 399 fi
 400 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 401    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 402   echo 'const WALL = ___WALL' >> ${OUT}
 403 fi
 404
 405 # Networking constants.
 406 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 407   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 408 grep '^const _SOMAXCONN' gen-sysinfo.go |
 409   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 410     >> ${OUT}
 411 grep '^const _SHUT_' gen-sysinfo.go |
 412   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 413
 414 # The net package requires some const definitions.
 415 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 416   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 417     echo "const $m = 0" >> ${OUT}
 418   fi
 419 done
 420 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 421   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 422     echo "const $m = -1" >> ${OUT}
 423   fi
 424 done
 425
 426 # The syscall package requires AF_LOCAL.
 427 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 428   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 429     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 430   fi
 431 fi
 432
 433 # sysconf constants.
 434 grep '^const __SC' gen-sysinfo.go |
 435   sed -e 's/^\(const \)__\(SC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 436
 437 # pathconf constants.
 438 grep '^const __PC' gen-sysinfo.go |
 439   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 440
 441 # The PATH_MAX constant.
 442 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 443   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 444 fi
 445
 446 # epoll constants.
 447 grep '^const _EPOLL' gen-sysinfo.go |
 448   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 449 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 450 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 451   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 452 fi
 453 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 454   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 455 fi
 456
 457 # Prctl constants.
 458 grep '^const _PR_' gen-sysinfo.go |
 459   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 460
 461 # Ptrace constants.
 462 grep '^const _PTRACE' gen-sysinfo.go |
 463   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 464 # We need some ptrace options that are not defined in older versions
 465 # of glibc.
 466 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 467   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 468 fi
 469 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 470   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 471 fi
 472 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 473   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 474 fi
 475 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 476   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 477 fi
 478 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 479   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 480 fi
 481 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 482   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 483 fi
 484 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 485   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 486 fi
 487 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 488   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 489 fi
 490 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 491   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 492 fi
 493 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 494   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 495 fi
 496 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 497   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 498 fi
 499 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 500   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 501 fi
 502 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 503   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 504 fi
 505 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 506   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 507 fi
 508 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 509   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 510 fi
 511 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 512   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 513 fi
 514 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 515   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 516 fi
 517
 518 # A helper function that prints a structure from gen-sysinfo.go with the first
 519 # letter of the field names in upper case.  $1 is the name of structure.  If $2
 520 # is not empty, the structure or type is renamed to $2.
 521 upcase_fields () {
 522   name="$1"
 523   def=`grep "^type $name" gen-sysinfo.go`
 524   fields=`echo $def | sed -e 's/^[^{]*{\(.*\)}$/\1/'`
 525   prefix=`echo $def | sed -e 's/{.*//'`
 526   if test "$2" != ""; then
 527     prefix=`echo $prefix | sed -e "s/$1/$2/"`
 528   fi
 529   if test "$fields" != ""; then
 530     nfields=
 531     while test -n "$fields"; do
 532       field=`echo $fields | sed -e 's/^\([^;]*\);.*$/\1/'`
 533       fields=`echo $fields | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 534       # capitalize the next character.
 535       f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 536       r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 537       f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 538       field="$f$r"
 539       nfields="$nfields $field;"
 540     done
 541     echo "${prefix} {$nfields }"
 542   fi
 543 }
 544
 545 # The registers returned by PTRACE_GETREGS.  This is probably
 546 # GNU/Linux specific; it should do no harm if there is no
 547 # _user_regs_struct.
 548 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 549 if test "$regs" = ""; then
 550   # s390
 551   regs=`grep '^type __user_regs_struct struct' gen-sysinfo.go || true`
 552   if test "$regs" != ""; then
 553     # Substructures of __user_regs_struct on s390
 554     upcase_fields "__user_psw_struct" "PtracePsw" >> ${OUT} || true
 555     upcase_fields "__user_fpregs_struct" "PtraceFpregs" >> ${OUT} || true
 556     upcase_fields "__user_per_struct" "PtracePer" >> ${OUT} || true
 557   fi
 558 fi
 559 if test "$regs" != ""; then
 560   regs=`echo $regs |
 561     sed -e 's/type __*user_regs_struct struct //' -e 's/[{}]//g'`
 562   regs=`echo $regs | sed -e s'/^ *//'`
 563   nregs=
 564   while test -n "$regs"; do
 565     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 566     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 567     # Capitalize the first character of the field.
 568     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 569     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 570     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 571     field="$f$r"
 572     field=`echo "$field" | sed \
 573       -e 's/__user_psw_struct/PtracePsw/' \
 574       -e 's/__user_fpregs_struct/PtraceFpregs/' \
 575       -e 's/__user_per_struct/PtracePer/'`
 576     nregs="$nregs $field;"
 577   done
 578   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 579 fi
 580
 581 # Some basic types.
 582 echo 'type Size_t _size_t' >> ${OUT}
 583 echo "type Ssize_t _ssize_t" >> ${OUT}
 584 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 585   echo "type Offset_t _off64_t" >> ${OUT}
 586 else
 587   echo "type Offset_t _off_t" >> ${OUT}
 588 fi
 589 echo "type Mode_t _mode_t" >> ${OUT}
 590 echo "type Pid_t _pid_t" >> ${OUT}
 591 echo "type Uid_t _uid_t" >> ${OUT}
 592 echo "type Gid_t _gid_t" >> ${OUT}
 593 echo "type Socklen_t _socklen_t" >> ${OUT}
 594
 595 # The C int type.
 596 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 597 if test "$sizeof_int" = "4"; then
 598   echo "type _C_int int32" >> ${OUT}
 599   echo "type _C_uint uint32" >> ${OUT}
 600 elif test "$sizeof_int" = "8"; then
 601   echo "type _C_int int64" >> ${OUT}
 602   echo "type _C_uint uint64" >> ${OUT}
 603 else
 604   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 605   exit 1
 606 fi
 607
 608 # The C long type, needed because that is the type that ptrace returns.
 609 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 610 if test "$sizeof_long" = "4"; then
 611   echo "type _C_long int32" >> ${OUT}
 612 elif test "$sizeof_long" = "8"; then
 613   echo "type _C_long int64" >> ${OUT}
 614 else
 615   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 616   exit 1
 617 fi
 618
 619 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 620 # double is commented by -fdump-go-spec.
 621 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 622   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 623 fi
 624 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 625   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 626 fi
 627
 628 # The time_t type.
 629 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 630   echo 'type Time_t _time_t' >> ${OUT}
 631 fi
 632
 633 # The time structures need special handling: we need to name the
 634 # types, so that we can cast integers to the right types when
 635 # assigning to the structures.
 636 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 637 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 638 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 639 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 640 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 641 echo $timeval | \
 642   sed -e 's/type _timeval /type Timeval /' \
 643       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 644       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 645 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 646 if test "$timespec" = ""; then
 647   # IRIX 6.5 has __timespec instead.
 648   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 649 fi
 650 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 651 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 652 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 653 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 654 echo $timespec | \
 655   sed -e 's/^type ___timespec /type Timespec /' \
 656       -e 's/^type _timespec /type Timespec /' \
 657       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 658       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 659
 660 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 661 if test "$timestruc" != ""; then
 662   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 663   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 664   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 665   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 666   echo $timestruc | \
 667     sed -e 's/^type _timestruc_t /type Timestruc /' \
 668         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 669         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 670 fi
 671
 672 # The tms struct.
 673 grep '^type _tms ' gen-sysinfo.go | \
 674     sed -e 's/type _tms/type Tms/' \
 675       -e 's/tms_utime/Utime/' \
 676       -e 's/tms_stime/Stime/' \
 677       -e 's/tms_cutime/Cutime/' \
 678       -e 's/tms_cstime/Cstime/' \
 679     >> ${OUT}
 680
 681 # The stat type.
 682 # Prefer largefile variant if available.
 683 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 684 if test "$stat" != ""; then
 685   grep '^type _stat64 ' gen-sysinfo.go
 686 else
 687   grep '^type _stat ' gen-sysinfo.go
 688 fi | sed -e 's/type _stat64/type Stat_t/' \
 689          -e 's/type _stat/type Stat_t/' \
 690          -e 's/st_dev/Dev/' \
 691          -e 's/st_ino/Ino/g' \
 692          -e 's/st_nlink/Nlink/' \
 693          -e 's/st_mode/Mode/' \
 694          -e 's/st_uid/Uid/' \
 695          -e 's/st_gid/Gid/' \
 696          -e 's/st_rdev/Rdev/' \
 697          -e 's/st_size/Size/' \
 698          -e 's/st_blksize/Blksize/' \
 699          -e 's/st_blocks/Blocks/' \
 700          -e 's/st_atim/Atim/' \
 701          -e 's/st_mtim/Mtim/' \
 702          -e 's/st_ctim/Ctim/' \
 703          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 704          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 705          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 706          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 707          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 708        >> ${OUT}
 709
 710 # The directory searching types.
 711 # Prefer largefile variant if available.
 712 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 713 if test "$dirent" != ""; then
 714   grep '^type _dirent64 ' gen-sysinfo.go
 715 else
 716   grep '^type _dirent ' gen-sysinfo.go
 717 fi | sed -e 's/type _dirent64/type Dirent/' \
 718          -e 's/type _dirent/type Dirent/' \
 719          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 720          -e 's/d_name/Name/' \
 721          -e 's/]int8/]byte/' \
 722          -e 's/d_ino/Ino/' \
 723          -e 's/d_off/Off/' \
 724          -e 's/d_reclen/Reclen/' \
 725          -e 's/d_type/Type/' \
 726       >> ${OUT}
 727 echo "type DIR _DIR" >> ${OUT}
 728
 729 # Values for d_type field in dirent.
 730 grep '^const _DT_' gen-sysinfo.go |
 731   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 732
 733 # The rusage struct.
 734 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 735 if test "$rusage" != ""; then
 736   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 737   rusage=`echo $rusage | sed -e 's/Godump_[0-9][0-9]* struct {\([^}]*\)};/\1/g'`
 738   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 739   rusage=`echo $rusage | sed -e 's/^ *//'`
 740   nrusage=
 741   while test -n "$rusage"; do
 742     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 743     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 744     # Drop the leading ru_, capitalize the next character.
 745     field=`echo $field | sed -e 's/^ru_//'`
 746     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 747     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 748     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 749     # Fix _timeval _timespec, and _timestruc_t.
 750     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 751     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 752     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 753     field="$f$r"
 754     nrusage="$nrusage $field;"
 755   done
 756   echo "type Rusage struct {$nrusage }" >> ${OUT}
 757 else
 758   echo "type Rusage struct {}" >> ${OUT}
 759 fi
 760
 761 # The RUSAGE constants.
 762 grep '^const _RUSAGE_' gen-sysinfo.go | \
 763   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 764
 765 # The utsname struct.
 766 grep '^type _utsname ' gen-sysinfo.go | \
 767     sed -e 's/_utsname/Utsname/' \
 768       -e 's/sysname/Sysname/' \
 769       -e 's/nodename/Nodename/' \
 770       -e 's/release/Release/' \
 771       -e 's/version/Version/' \
 772       -e 's/machine/Machine/' \
 773       -e 's/domainname/Domainname/' \
 774     >> ${OUT}
 775
 776 # The iovec struct.
 777 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 778 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 779 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 780 echo $iovec | \
 781     sed -e 's/_iovec/Iovec/' \
 782       -e 's/iov_base/Base/' \
 783       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 784     >> ${OUT}
 785
 786 # The msghdr struct.
 787 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 788 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 789 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 790 echo $msghdr | \
 791     sed -e 's/_msghdr/Msghdr/' \
 792       -e 's/msg_name/Name/' \
 793       -e 's/msg_namelen/Namelen/' \
 794       -e 's/msg_iov/Iov/' \
 795       -e 's/msg_iovlen/Iovlen/' \
 796       -e 's/_iovec/Iovec/' \
 797       -e 's/msg_control/Control/' \
 798       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 799       -e 's/msg_flags/Flags/' \
 800     >> ${OUT}
 801
 802 # The MSG_ flags for Msghdr.
 803 grep '^const _MSG_' gen-sysinfo.go | \
 804   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 805
 806 # The cmsghdr struct.
 807 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 808 if test -n "$cmsghdr"; then
 809   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 810   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 811   echo "$cmsghdr" | \
 812       sed -e 's/_cmsghdr/Cmsghdr/' \
 813         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 814         -e 's/cmsg_level/Level/' \
 815         -e 's/cmsg_type/Type/' \
 816         -e 's/\[\]/[0]/' \
 817       >> ${OUT}
 818 fi
 819
 820 # The SCM_ flags for Cmsghdr.
 821 grep '^const _SCM_' gen-sysinfo.go | \
 822   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 823
 824 # The ucred struct.
 825 upcase_fields "_ucred" "Ucred" >> ${OUT} || true
 826
 827 # The ip_mreq struct.
 828 grep '^type _ip_mreq ' gen-sysinfo.go | \
 829     sed -e 's/_ip_mreq/IPMreq/' \
 830       -e 's/imr_multiaddr/Multiaddr/' \
 831       -e 's/imr_interface/Interface/' \
 832       -e 's/_in_addr/[4]byte/g' \
 833     >> ${OUT}
 834
 835 # We need IPMreq to compile the net package.
 836 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 837   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 838 fi
 839
 840 # The ipv6_mreq struct.
 841 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 842     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 843       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 844       -e 's/ipv6mr_interface/Interface/' \
 845       -e 's/_in6_addr/[16]byte/' \
 846     >> ${OUT}
 847
 848 # We need IPv6Mreq to compile the net package.
 849 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 850   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 851 fi
 852
 853 # The ip_mreqn struct.
 854 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 855     sed -e 's/_ip_mreqn/IPMreqn/' \
 856       -e 's/imr_multiaddr/Multiaddr/' \
 857       -e 's/imr_address/Address/' \
 858       -e 's/imr_ifindex/Ifindex/' \
 859       -e 's/_in_addr/[4]byte/g' \
 860     >> ${OUT}
 861
 862 # We need IPMreq to compile the net package.
 863 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 864   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 865 fi
 866
 867 # The icmp6_filter struct.
 868 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 869     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 870       -e 's/data/Data/' \
 871       -e 's/filt/Filt/' \
 872     >> ${OUT}
 873
 874 # We need ICMPv6Filter to compile the syscall package.
 875 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 876   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 877 fi
 878
 879 # The ip6_mtuinfo struct.
 880 grep '^type _ip6_mtuinfo ' gen-sysinfo.go | \
 881     sed -e 's/_ip6_mtuinfo/IPv6MTUInfo/' \
 882       -e 's/ip6m_addr/Addr/' \
 883       -e 's/_sockaddr_in6/RawSockaddrInet6/' \
 884       -e 's/ip6m_mtu/Mtu/' \
 885     >> ${OUT}
 886
 887 # Try to guess the type to use for fd_set.
 888 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 889 fds_bits_type="_C_long"
 890 if test "$fd_set" != ""; then
 891     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 892 fi
 893 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 894
 895 # The addrinfo struct.
 896 grep '^type _addrinfo ' gen-sysinfo.go | \
 897     sed -e 's/_addrinfo/Addrinfo/g' \
 898       -e 's/ ai_/ Ai_/g' \
 899     >> ${OUT}
 900
 901 # The addrinfo and nameinfo flags and errors.
 902 grep '^const _AI_' gen-sysinfo.go | \
 903   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 904 grep '^const _EAI_' gen-sysinfo.go | \
 905   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 906 grep '^const _NI_' gen-sysinfo.go | \
 907   sed -e 's/^\(const \)_\(NI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 908
 909 # The passwd struct.
 910 grep '^type _passwd ' gen-sysinfo.go | \
 911     sed -e 's/_passwd/Passwd/' \
 912       -e 's/ pw_/ Pw_/g' \
 913     >> ${OUT}
 914
 915 # The group struct.
 916 grep '^type _group ' gen-sysinfo.go | \
 917     sed -e 's/_group/Group/' \
 918       -e 's/ gr_/ Gr_/g' \
 919     >> ${OUT}
 920
 921 # The ioctl flags for the controlling TTY.
 922 grep '^const _TIOC' gen-sysinfo.go | \
 923     grep -v '_val =' | \
 924     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 925 grep '^const _TUNSET' gen-sysinfo.go | \
 926     grep -v '_val =' | \
 927     sed -e 's/^\(const \)_\(TUNSET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 928 # We need TIOCGWINSZ.
 929 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 930   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 931     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 932   fi
 933 fi
 934 if ! grep '^const TIOCSWINSZ' ${OUT} >/dev/null 2>&1; then
 935   if grep '^const _TIOCSWINSZ_val' ${OUT} >/dev/null 2>&1; then
 936     echo 'const TIOCSWINSZ = _TIOCSWINSZ_val' >> ${OUT}
 937   fi
 938 fi
 939 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 940   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 941     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 942   fi
 943 fi
 944 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 945   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 946     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 947   fi
 948 fi
 949 if ! grep '^const TIOCGPGRP' ${OUT} >/dev/null 2>&1; then
 950   if grep '^const _TIOCGPGRP_val' ${OUT} >/dev/null 2>&1; then
 951     echo 'const TIOCGPGRP = _TIOCGPGRP_val' >> ${OUT}
 952   fi
 953 fi
 954 if ! grep '^const TIOCSPGRP' ${OUT} >/dev/null 2>&1; then
 955   if grep '^const _TIOCSPGRP_val' ${OUT} >/dev/null 2>&1; then
 956     echo 'const TIOCSPGRP = _TIOCSPGRP_val' >> ${OUT}
 957   fi
 958 fi
 959 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 960   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 961     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 962   fi
 963 fi
 964 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 965   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 966     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 967   fi
 968 fi
 969 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 970   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 971     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 972   fi
 973 fi
 974 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 975   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 976     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 977   fi
 978 fi
 979
 980 if ! grep '^const TUNSETNOCSUM' ${OUT} >/dev/null 2>&1; then
 981   if grep '^const _TUNSETNOCSUM_val' ${OUT} >/dev/null 2>&1; then
 982     echo 'const TUNSETNOCSUM = _TUNSETNOCSUM_val' >> ${OUT}
 983   fi
 984 fi
 985
 986 if ! grep '^const TUNSETDEBUG' ${OUT} >/dev/null 2>&1; then
 987   if grep '^const _TUNSETDEBUG_val' ${OUT} >/dev/null 2>&1; then
 988     echo 'const TUNSETDEBUG = _TUNSETDEBUG_val' >> ${OUT}
 989   fi
 990 fi
 991
 992 if ! grep '^const TUNSETIFF' ${OUT} >/dev/null 2>&1; then
 993   if grep '^const _TUNSETIFF_val' ${OUT} >/dev/null 2>&1; then
 994     echo 'const TUNSETIFF = _TUNSETIFF_val' >> ${OUT}
 995   fi
 996 fi
 997
 998 if ! grep '^const TUNSETPERSIST' ${OUT} >/dev/null 2>&1; then
 999   if grep '^const _TUNSETPERSIST_val' ${OUT} >/dev/null 2>&1; then
1000     echo 'const TUNSETPERSIST = _TUNSETPERSIST_val' >> ${OUT}
1001   fi
1002 fi
1003
1004 if ! grep '^const TUNSETOWNER' ${OUT} >/dev/null 2>&1; then
1005   if grep '^const _TUNSETOWNER_val' ${OUT} >/dev/null 2>&1; then
1006     echo 'const TUNSETOWNER = _TUNSETOWNER_val' >> ${OUT}
1007   fi
1008 fi
1009
1010 if ! grep '^const TUNSETLINK' ${OUT} >/dev/null 2>&1; then
1011   if grep '^const _TUNSETLINK_val' ${OUT} >/dev/null 2>&1; then
1012     echo 'const TUNSETLINK = _TUNSETLINK_val' >> ${OUT}
1013   fi
1014 fi
1015
1016 if ! grep '^const TUNSETGROUP' ${OUT} >/dev/null 2>&1; then
1017   if grep '^const _TUNSETGROUP_val' ${OUT} >/dev/null 2>&1; then
1018     echo 'const TUNSETGROUP = _TUNSETGROUP_val' >> ${OUT}
1019   fi
1020 fi
1021
1022 if ! grep '^const TUNGETFEATURES' ${OUT} >/dev/null 2>&1; then
1023   if grep '^const _TUNGETFEATURES_val' ${OUT} >/dev/null 2>&1; then
1024     echo 'const TUNGETFEATURES = _TUNGETFEATURES_val' >> ${OUT}
1025   fi
1026 fi
1027
1028 if ! grep '^const TUNSETOFFLOAD' ${OUT} >/dev/null 2>&1; then
1029   if grep '^const _TUNSETOFFLOAD_val' ${OUT} >/dev/null 2>&1; then
1030     echo 'const TUNSETOFFLOAD = _TUNSETOFFLOAD_val' >> ${OUT}
1031   fi
1032 fi
1033
1034 if ! grep '^const TUNSETTXFILTER' ${OUT} >/dev/null 2>&1; then
1035   if grep '^const _TUNSETTXFILTER_val' ${OUT} >/dev/null 2>&1; then
1036     echo 'const TUNSETTXFILTER = _TUNSETTXFILTER_val' >> ${OUT}
1037   fi
1038 fi
1039
1040 if ! grep '^const TUNGETIFF' ${OUT} >/dev/null 2>&1; then
1041   if grep '^const _TUNGETIFF_val' ${OUT} >/dev/null 2>&1; then
1042     echo 'const TUNGETIFF = _TUNGETIFF_val' >> ${OUT}
1043   fi
1044 fi
1045
1046 if ! grep '^const TUNGETSNDBUF' ${OUT} >/dev/null 2>&1; then
1047   if grep '^const _TUNGETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
1048     echo 'const TUNGETSNDBUF = _TUNGETSNDBUF_val' >> ${OUT}
1049   fi
1050 fi
1051
1052 if ! grep '^const TUNSETSNDBUF' ${OUT} >/dev/null 2>&1; then
1053   if grep '^const _TUNSETSNDBUF_val' ${OUT} >/dev/null 2>&1; then
1054     echo 'const TUNSETSNDBUF = _TUNSETSNDBUF_val' >> ${OUT}
1055   fi
1056 fi
1057
1058 if ! grep '^const TUNATTACHFILTER' ${OUT} >/dev/null 2>&1; then
1059   if grep '^const _TUNATTACHFILTER_val' ${OUT} >/dev/null 2>&1; then
1060     echo 'const TUNATTACHFILTER = _TUNATTACHFILTER_val' >> ${OUT}
1061   fi
1062 fi
1063
1064 if ! grep '^const TUNDETACHFILTER' ${OUT} >/dev/null 2>&1; then
1065   if grep '^const _TUNDETACHFILTER_val' ${OUT} >/dev/null 2>&1; then
1066     echo 'const TUNDETACHFILTER = _TUNDETACHFILTER_val' >> ${OUT}
1067   fi
1068 fi
1069
1070 if ! grep '^const TUNGETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
1071   if grep '^const _TUNGETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
1072     echo 'const TUNGETVNETHDRSZ = _TUNGETVNETHDRSZ_val' >> ${OUT}
1073   fi
1074 fi
1075
1076 if ! grep '^const TUNSETVNETHDRSZ' ${OUT} >/dev/null 2>&1; then
1077   if grep '^const _TUNSETVNETHDRSZ_val' ${OUT} >/dev/null 2>&1; then
1078     echo 'const TUNSETVNETHDRSZ = _TUNSETVNETHDRSZ_val' >> ${OUT}
1079   fi
1080 fi
1081
1082 if ! grep '^const TUNSETQUEUE' ${OUT} >/dev/null 2>&1; then
1083   if grep '^const _TUNSETQUEUE_val' ${OUT} >/dev/null 2>&1; then
1084     echo 'const TUNSETQUEUE = _TUNSETQUEUE_val' >> ${OUT}
1085   fi
1086 fi
1087
1088
1089 if ! grep '^const TUNSETIFINDEX' ${OUT} >/dev/null 2>&1; then
1090   if grep '^const _TUNSETIFINDEX_val' ${OUT} >/dev/null 2>&1; then
1091     echo 'const TUNSETIFINDEX = _TUNSETIFINDEX_val' >> ${OUT}
1092   fi
1093 fi
1094
1095 if ! grep '^const TUNGETFILTER' ${OUT} >/dev/null 2>&1; then
1096   if grep '^const _TUNGETFILTER_val' ${OUT} >/dev/null 2>&1; then
1097     echo 'const TUNGETFILTER = _TUNGETFILTER_val' >> ${OUT}
1098   fi
1099 fi
1100
1101 # The ioctl flags for terminal control
1102 grep '^const _TC[GS]ET' gen-sysinfo.go | grep -v _val | \
1103     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1104 if ! grep '^const TCGETS' ${OUT} >/dev/null 2>&1; then
1105   if grep '^const _TCGETS_val' ${OUT} >/dev/null 2>&1; then
1106     echo 'const TCGETS = _TCGETS_val' >> ${OUT}
1107   fi
1108 fi
1109 if ! grep '^const TCSETS' ${OUT} >/dev/null 2>&1; then
1110   if grep '^const _TCSETS_val' ${OUT} >/dev/null 2>&1; then
1111     echo 'const TCSETS = _TCSETS_val' >> ${OUT}
1112   fi
1113 fi
1114
1115 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
1116 # needs handling in syscalls.exec.go.
1117 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
1118   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
1119     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
1120   fi
1121 fi
1122
1123 # The nlmsghdr struct.
1124 grep '^type _nlmsghdr ' gen-sysinfo.go | \
1125     sed -e 's/_nlmsghdr/NlMsghdr/' \
1126       -e 's/nlmsg_len/Len/' \
1127       -e 's/nlmsg_type/Type/' \
1128       -e 's/nlmsg_flags/Flags/' \
1129       -e 's/nlmsg_seq/Seq/' \
1130       -e 's/nlmsg_pid/Pid/' \
1131     >> ${OUT}
1132
1133 # The nlmsg flags and operators.
1134 grep '^const _NLM' gen-sysinfo.go | \
1135     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1136
1137 # NLMSG_HDRLEN is defined as an expression using sizeof.
1138 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
1139   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
1140     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
1141   fi
1142 fi
1143
1144 # The rtmsg struct.
1145 grep '^type _rtmsg ' gen-sysinfo.go | \
1146     sed -e 's/_rtmsg/RtMsg/' \
1147       -e 's/rtm_family/Family/' \
1148       -e 's/rtm_dst_len/Dst_len/' \
1149       -e 's/rtm_src_len/Src_len/' \
1150       -e 's/rtm_tos/Tos/' \
1151       -e 's/rtm_table/Table/' \
1152       -e 's/rtm_protocol/Protocol/' \
1153       -e 's/rtm_scope/Scope/' \
1154       -e 's/rtm_type/Type/' \
1155       -e 's/rtm_flags/Flags/' \
1156     >> ${OUT}
1157
1158 # The rtgenmsg struct.
1159 grep '^type _rtgenmsg ' gen-sysinfo.go | \
1160     sed -e 's/_rtgenmsg/RtGenmsg/' \
1161       -e 's/rtgen_family/Family/' \
1162     >> ${OUT}
1163
1164 # The routing message flags.
1165 grep '^const _RT_' gen-sysinfo.go | \
1166     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1167 grep '^const _RTA' gen-sysinfo.go | \
1168     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1169 grep '^const _RTF' gen-sysinfo.go | \
1170     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1171 grep '^const _RTCF' gen-sysinfo.go | \
1172     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1173 grep '^const _RTM' gen-sysinfo.go | \
1174     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1175 grep '^const _RTN' gen-sysinfo.go | \
1176     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1177 grep '^const _RTPROT' gen-sysinfo.go | \
1178     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1179
1180 # The ifinfomsg struct.
1181 grep '^type _ifinfomsg ' gen-sysinfo.go | \
1182     sed -e 's/_ifinfomsg/IfInfomsg/' \
1183       -e 's/ifi_family/Family/' \
1184       -e 's/ifi_type/Type/' \
1185       -e 's/ifi_index/Index/' \
1186       -e 's/ifi_flags/Flags/' \
1187       -e 's/ifi_change/Change/' \
1188     >> ${OUT}
1189
1190 # The interface information types and flags.
1191 grep '^const _IFA' gen-sysinfo.go | \
1192     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1193 grep '^const _IFLA' gen-sysinfo.go | \
1194     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1195 grep '^const _IFF' gen-sysinfo.go | \
1196     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1197 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
1198     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1199 grep '^const _SIOC' gen-sysinfo.go |
1200     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1201
1202 # The ifaddrmsg struct.
1203 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
1204     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
1205       -e 's/ifa_family/Family/' \
1206       -e 's/ifa_prefixlen/Prefixlen/' \
1207       -e 's/ifa_flags/Flags/' \
1208       -e 's/ifa_scope/Scope/' \
1209       -e 's/ifa_index/Index/' \
1210     >> ${OUT}
1211
1212 # The rtattr struct.
1213 grep '^type _rtattr ' gen-sysinfo.go | \
1214     sed -e 's/_rtattr/RtAttr/' \
1215       -e 's/rta_len/Len/' \
1216       -e 's/rta_type/Type/' \
1217     >> ${OUT}
1218
1219 # The in_pktinfo struct.
1220 grep '^type _in_pktinfo ' gen-sysinfo.go | \
1221     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
1222       -e 's/ipi_ifindex/Ifindex/' \
1223       -e 's/ipi_spec_dst/Spec_dst/' \
1224       -e 's/ipi_addr/Addr/' \
1225       -e 's/_in_addr/[4]byte/g' \
1226     >> ${OUT}
1227
1228 # The in6_pktinfo struct.
1229 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
1230     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
1231       -e 's/ipi6_addr/Addr/' \
1232       -e 's/ipi6_ifindex/Ifindex/' \
1233       -e 's/_in6_addr/[16]byte/' \
1234     >> ${OUT}
1235
1236 # The termios struct.
1237 grep '^type _termios ' gen-sysinfo.go | \
1238     sed -e 's/_termios/Termios/' \
1239       -e 's/c_iflag/Iflag/' \
1240       -e 's/c_oflag/Oflag/' \
1241       -e 's/c_cflag/Cflag/' \
1242       -e 's/c_lflag/Lflag/' \
1243       -e 's/c_line/Line/' \
1244       -e 's/c_cc/Cc/' \
1245       -e 's/c_ispeed/Ispeed/' \
1246       -e 's/c_ospeed/Ospeed/' \
1247     >> ${OUT}
1248
1249 # The termios constants.
1250 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
1251     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
1252     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
1253     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
1254     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
1255     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
1256     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
1257     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
1258     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
1259     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
1260     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
1261     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
1262
1263     grep "^const _$n " gen-sysinfo.go | \
1264         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1265 done
1266
1267 # The mount flags
1268 grep '^const _MNT_' gen-sysinfo.go |
1269     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1270 grep '^const _MS_' gen-sysinfo.go |
1271     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1272
1273 # The fallocate flags.
1274 grep '^const _FALLOC_' gen-sysinfo.go |
1275     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1276
1277 # The statfs struct.
1278 # Prefer largefile variant if available.
1279 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
1280 if test "$statfs" != ""; then
1281   grep '^type _statfs64 ' gen-sysinfo.go
1282 else
1283   grep '^type _statfs ' gen-sysinfo.go
1284 fi | sed -e 's/type _statfs64/type Statfs_t/' \
1285          -e 's/type _statfs/type Statfs_t/' \
1286          -e 's/f_type/Type/' \
1287          -e 's/f_bsize/Bsize/' \
1288          -e 's/f_blocks/Blocks/' \
1289          -e 's/f_bfree/Bfree/' \
1290          -e 's/f_bavail/Bavail/' \
1291          -e 's/f_files/Files/' \
1292          -e 's/f_ffree/Ffree/' \
1293          -e 's/f_fsid/Fsid/' \
1294          -e 's/f_namelen/Namelen/' \
1295          -e 's/f_frsize/Frsize/' \
1296          -e 's/f_flags/Flags/' \
1297          -e 's/f_spare/Spare/' \
1298     >> ${OUT}
1299
1300 # The timex struct.
1301 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1302 if test "$timex" = ""; then
1303   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1304   if test "$timex" != ""; then
1305     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1306   fi
1307 fi
1308 if test "$timex" != ""; then
1309   echo "$timex" | \
1310     sed -e 's/_timex/Timex/' \
1311       -e 's/modes/Modes/' \
1312       -e 's/offset/Offset/' \
1313       -e 's/freq/Freq/' \
1314       -e 's/maxerror/Maxerror/' \
1315       -e 's/esterror/Esterror/' \
1316       -e 's/status/Status/' \
1317       -e 's/constant/Constant/' \
1318       -e 's/precision/Precision/' \
1319       -e 's/tolerance/Tolerance/' \
1320       -e 's/ time / Time /' \
1321       -e 's/tick/Tick/' \
1322       -e 's/ppsfreq/Ppsfreq/' \
1323       -e 's/jitter/Jitter/' \
1324       -e 's/shift/Shift/' \
1325       -e 's/stabil/Stabil/' \
1326       -e 's/jitcnt/Jitcnt/' \
1327       -e 's/calcnt/Calcnt/' \
1328       -e 's/errcnt/Errcnt/' \
1329       -e 's/stbcnt/Stbcnt/' \
1330       -e 's/tai/Tai/' \
1331       -e 's/_timeval/Timeval/' \
1332     >> ${OUT}
1333 fi
1334
1335 # The rlimit struct.
1336 grep '^type _rlimit ' gen-sysinfo.go | \
1337     sed -e 's/_rlimit/Rlimit/' \
1338       -e 's/rlim_cur/Cur/' \
1339       -e 's/rlim_max/Max/' \
1340     >> ${OUT}
1341
1342 # The RLIMIT constants.
1343 grep '^const _RLIMIT_' gen-sysinfo.go |
1344     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1345 grep '^const _RLIM_' gen-sysinfo.go |
1346     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1347
1348 # The sysinfo struct.
1349 grep '^type _sysinfo ' gen-sysinfo.go | \
1350     sed -e 's/_sysinfo/Sysinfo_t/' \
1351       -e 's/uptime/Uptime/' \
1352       -e 's/loads/Loads/' \
1353       -e 's/totalram/Totalram/' \
1354       -e 's/freeram/Freeram/' \
1355       -e 's/sharedram/Sharedram/' \
1356       -e 's/bufferram/Bufferram/' \
1357       -e 's/totalswap/Totalswap/' \
1358       -e 's/freeswap/Freeswap/' \
1359       -e 's/procs/Procs/' \
1360       -e 's/totalhigh/Totalhigh/' \
1361       -e 's/freehigh/Freehigh/' \
1362       -e 's/mem_unit/Unit/' \
1363     >> ${OUT}
1364
1365 # The ustat struct.
1366 grep '^type _ustat ' gen-sysinfo.go | \
1367     sed -e 's/_ustat/Ustat_t/' \
1368       -e 's/f_tfree/Tfree/' \
1369       -e 's/f_tinode/Tinoe/' \
1370       -e 's/f_fname/Fname/' \
1371       -e 's/f_fpack/Fpack/' \
1372     >> ${OUT}
1373 # Force it to be defined, as on some older GNU/Linux systems the
1374 # header file fails when using with <linux/filter.h>.
1375 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1376   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1377 fi
1378
1379 # The utimbuf struct.
1380 grep '^type _utimbuf ' gen-sysinfo.go | \
1381     sed -e 's/_utimbuf/Utimbuf/' \
1382       -e 's/actime/Actime/' \
1383       -e 's/modtime/Modtime/' \
1384     >> ${OUT}
1385
1386 # The LOCK flags for flock.
1387 grep '^const _LOCK_' gen-sysinfo.go |
1388     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1389
1390 # The PRIO constants.
1391 grep '^const _PRIO_' gen-sysinfo.go | \
1392   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1393
1394 # The GNU/Linux LINUX_REBOOT flags.
1395 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1396     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1397
1398 # The GNU/Linux sock_filter struct.
1399 grep '^type _sock_filter ' gen-sysinfo.go | \
1400     sed -e 's/_sock_filter/SockFilter/' \
1401       -e 's/code/Code/' \
1402       -e 's/jt/Jt/' \
1403       -e 's/jf/Jf/' \
1404       -e 's/k /K /' \
1405     >> ${OUT}
1406
1407 # The GNU/Linux sock_fprog struct.
1408 grep '^type _sock_fprog ' gen-sysinfo.go | \
1409     sed -e 's/_sock_fprog/SockFprog/' \
1410       -e 's/len/Len/' \
1411       -e 's/filter/Filter/' \
1412       -e 's/_sock_filter/SockFilter/' \
1413     >> ${OUT}
1414
1415 # The GNU/Linux filter flags.
1416 grep '^const _BPF_' gen-sysinfo.go | \
1417   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1418
1419 # The GNU/Linux nlattr struct.
1420 grep '^type _nlattr ' gen-sysinfo.go | \
1421     sed -e 's/_nlattr/NlAttr/' \
1422       -e 's/nla_len/Len/' \
1423       -e 's/nla_type/Type/' \
1424     >> ${OUT}
1425
1426 # The GNU/Linux nlmsgerr struct.
1427 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1428     sed -e 's/_nlmsgerr/NlMsgerr/' \
1429       -e 's/error/Error/' \
1430       -e 's/msg/Msg/' \
1431       -e 's/_nlmsghdr/NlMsghdr/' \
1432     >> ${OUT}
1433
1434 # The GNU/Linux rtnexthop struct.
1435 grep '^type _rtnexthop ' gen-sysinfo.go | \
1436     sed -e 's/_rtnexthop/RtNexthop/' \
1437       -e 's/rtnh_len/Len/' \
1438       -e 's/rtnh_flags/Flags/' \
1439       -e 's/rtnh_hops/Hops/' \
1440       -e 's/rtnh_ifindex/Ifindex/' \
1441     >> ${OUT}
1442
1443 # The GNU/Linux netlink flags.
1444 grep '^const _NETLINK_' gen-sysinfo.go | \
1445   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1446 grep '^const _NLA_' gen-sysinfo.go | grep -v '_val =' | \
1447   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1448
1449 if ! grep '^const NLA_HDRLEN' ${OUT} >/dev/null 2>&1; then
1450   if grep '^const _NLA_HDRLEN_val' ${OUT} >/dev/null 2>&1; then
1451     echo 'const NLA_HDRLEN = _NLA_HDRLEN_val' >> ${OUT}
1452   fi
1453 fi
1454
1455 # The GNU/Linux packet socket flags.
1456 grep '^const _PACKET_' gen-sysinfo.go | \
1457   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1458
1459 # The GNU/Linux inotify_event struct.
1460 grep '^type _inotify_event ' gen-sysinfo.go | \
1461     sed -e 's/_inotify_event/InotifyEvent/' \
1462       -e 's/wd/Wd/' \
1463       -e 's/mask/Mask/' \
1464       -e 's/cookie/Cookie/' \
1465       -e 's/len/Len/' \
1466       -e 's/name/Name/' \
1467       -e 's/\[\]/[0]/' \
1468       -e 's/\[0\]byte/[0]int8/' \
1469     >> ${OUT}
1470
1471 # The GNU/Linux CLONE flags.
1472 grep '^const _CLONE_' gen-sysinfo.go | \
1473   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1474 # We need some CLONE constants that are not defined in older versions
1475 # of glibc.
1476 if ! grep '^const CLONE_NEWUSER ' ${OUT} > /dev/null 2>&1; then
1477   echo "const CLONE_NEWUSER = 0x10000000" >> ${OUT}
1478 fi
1479 if ! grep '^const CLONE_NEWNET ' ${OUT} > /dev/null 2>&1; then
1480   echo "const CLONE_NEWNET = 0x40000000" >> ${OUT}
1481 fi
1482
1483 # Struct sizes.
1484 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1485     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1486     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1487     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1488     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1489     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1490     icmp6_filter ICMPv6Filter ip6_mtuinfo IPv6MTUInfo
1491 while test $# != 0; do
1492     nc=$1
1493     ngo=$2
1494     shift
1495     shift
1496     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1497         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1498     fi
1499 done
1500
1501 # In order to compile the net package, we need some sizes to exist
1502 # even if the types do not.
1503 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1504     echo 'const SizeofIPMreq = 8' >> ${OUT}
1505 fi
1506 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1507     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1508 fi
1509 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1510     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1511 fi
1512 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1513     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1514 fi
1515
1516 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1517 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1518     sed -e 's/_in6_addr/[16]byte/' \
1519     >> ${OUT}
1520
1521 # The Solaris 12 _flow_arp_desc_t struct.
1522 grep '^type _flow_arp_desc_t ' gen-sysinfo.go | \
1523     sed -e 's/_in6_addr_t/[16]byte/g' \
1524     >> ${OUT}
1525
1526 # The Solaris 12 _flow_l3_desc_t struct.
1527 grep '^type _flow_l3_desc_t ' gen-sysinfo.go | \
1528     sed -e 's/_in6_addr_t/[16]byte/g' \
1529     >> ${OUT}
1530
1531 # The Solaris 12 _mac_ipaddr_t struct.
1532 grep '^type _mac_ipaddr_t ' gen-sysinfo.go | \
1533     sed -e 's/_in6_addr_t/[16]byte/g' \
1534     >> ${OUT}
1535
1536 # The Solaris 12 _mactun_info_t struct.
1537 grep '^type _mactun_info_t ' gen-sysinfo.go | \
1538     sed -e 's/_in6_addr_t/[16]byte/g' \
1539     >> ${OUT}
1540
1541 exit $?