libgo/mksysinfo.sh

   1 #!/bin/sh
   2
   3 # Copyright 2009 The Go Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style
   5 # license that can be found in the LICENSE file.
   6
   7 # Create sysinfo.go.
   8
   9 # This shell script creates the sysinfo.go file which holds types and
  10 # constants extracted from the system header files.  This relies on a
  11 # hook in gcc: the -fdump-go-spec option will generate debugging
  12 # information in Go syntax.
  13
  14 # We currently #include all the files at once, which works, but leads
  15 # to exposing some names which ideally should not be exposed, as they
  16 # match grep patterns.  E.g., WCHAR_MIN gets exposed because it starts
  17 # with W, like the wait flags.
  18
  19 CC=${CC:-gcc}
  20 OUT=tmp-sysinfo.go
  21
  22 set -e
  23
  24 rm -f sysinfo.c
  25 cat > sysinfo.c <<EOF
  26 #include "config.h"
  27
  28 #include <sys/types.h>
  29 #include <dirent.h>
  30 #include <errno.h>
  31 #include <fcntl.h>
  32 #include <netinet/in.h>
  33 /* <netinet/tcp.h> needs u_char/u_short, but <sys/bsd_types> is only
  34    included by <netinet/in.h> if _SGIAPI (i.e. _SGI_SOURCE
  35    && !_XOPEN_SOURCE.
  36    <sys/termios.h> only defines TIOCNOTTY if !_XOPEN_SOURCE, while
  37    <sys/ttold.h> does so unconditionally.  */
  38 #ifdef __sgi__
  39 #include <sys/bsd_types.h>
  40 #include <sys/ttold.h>
  41 #endif
  42 #include <netinet/tcp.h>
  43 #if defined(HAVE_NETINET_IN_SYSTM_H)
  44 #include <netinet/in_systm.h>
  45 #endif
  46 #if defined(HAVE_NETINET_IP_H)
  47 #include <netinet/ip.h>
  48 #endif
  49 #if defined(HAVE_NETINET_IP_MROUTE_H)
  50 #include <netinet/ip_mroute.h>
  51 #endif
  52 #if defined(HAVE_NETINET_IF_ETHER_H)
  53 #include <netinet/if_ether.h>
  54 #endif
  55 #include <signal.h>
  56 #include <sys/ioctl.h>
  57 #include <termios.h>
  58 #if defined(HAVE_SYSCALL_H)
  59 #include <syscall.h>
  60 #endif
  61 #if defined(HAVE_SYS_SYSCALL_H)
  62 #include <sys/syscall.h>
  63 #endif
  64 #if defined(HAVE_SYS_EPOLL_H)
  65 #include <sys/epoll.h>
  66 #endif
  67 #if defined(HAVE_SYS_FILE_H)
  68 #include <sys/file.h>
  69 #endif
  70 #if defined(HAVE_SYS_MMAN_H)
  71 #include <sys/mman.h>
  72 #endif
  73 #if defined(HAVE_SYS_PRCTL_H)
  74 #include <sys/prctl.h>
  75 #endif
  76 #if defined(HAVE_SYS_PTRACE_H)
  77 #include <sys/ptrace.h>
  78 #endif
  79 #include <sys/resource.h>
  80 #include <sys/uio.h>
  81 #include <sys/socket.h>
  82 #include <sys/stat.h>
  83 #include <sys/time.h>
  84 #include <sys/times.h>
  85 #include <sys/wait.h>
  86 #include <sys/un.h>
  87 #if defined(HAVE_SYS_USER_H)
  88 #include <sys/user.h>
  89 #endif
  90 #if defined(HAVE_SYS_UTSNAME_H)
  91 #include <sys/utsname.h>
  92 #endif
  93 #if defined(HAVE_SYS_SELECT_H)
  94 #include <sys/select.h>
  95 #endif
  96 #include <time.h>
  97 #include <unistd.h>
  98 #include <netdb.h>
  99 #include <pwd.h>
 100 #if defined(HAVE_LINUX_FILTER_H)
 101 #include <linux/filter.h>
 102 #endif
 103 #if defined(HAVE_LINUX_IF_ADDR_H)
 104 #include <linux/if_addr.h>
 105 #endif
 106 #if defined(HAVE_LINUX_IF_ETHER_H)
 107 #include <linux/if_ether.h>
 108 #endif
 109 #if defined(HAVE_LINUX_IF_TUN_H)
 110 #include <linux/if_tun.h>
 111 #endif
 112 #if defined(HAVE_LINUX_NETLINK_H)
 113 #include <linux/netlink.h>
 114 #endif
 115 #if defined(HAVE_LINUX_RTNETLINK_H)
 116 #include <linux/rtnetlink.h>
 117 #endif
 118 #if defined(HAVE_NET_IF_H)
 119 #include <net/if.h>
 120 #endif
 121 #if defined(HAVE_NET_IF_ARP_H)
 122 #include <net/if_arp.h>
 123 #endif
 124 #if defined(HAVE_NET_ROUTE_H)
 125 #include <net/route.h>
 126 #endif
 127 #if defined (HAVE_NETPACKET_PACKET_H)
 128 #include <netpacket/packet.h>
 129 #endif
 130 #if defined(HAVE_SYS_MOUNT_H)
 131 #include <sys/mount.h>
 132 #endif
 133 #if defined(HAVE_SYS_VFS_H)
 134 #include <sys/vfs.h>
 135 #endif
 136 #if defined(HAVE_STATFS_H)
 137 #include <sys/statfs.h>
 138 #endif
 139 #if defined(HAVE_SYS_TIMEX_H)
 140 #include <sys/timex.h>
 141 #endif
 142 #if defined(HAVE_SYS_SYSINFO_H)
 143 #include <sys/sysinfo.h>
 144 #endif
 145 #if defined(HAVE_USTAT_H)
 146 #include <ustat.h>
 147 #endif
 148 #if defined(HAVE_UTIME_H)
 149 #include <utime.h>
 150 #endif
 151 #if defined(HAVE_LINUX_ETHER_H)
 152 #include <linux/ether.h>
 153 #endif
 154 #if defined(HAVE_LINUX_FS_H)
 155 #include <linux/fs.h>
 156 #endif
 157 #if defined(HAVE_LINUX_REBOOT_H)
 158 #include <linux/reboot.h>
 159 #endif
 160 #if defined(HAVE_SYS_INOTIFY_H)
 161 #include <sys/inotify.h>
 162 #endif
 163 #if defined(HAVE_NETINET_ICMP6_H)
 164 #include <netinet/icmp6.h>
 165 #endif
 166 #if defined(HAVE_SCHED_H)
 167 #include <sched.h>
 168 #endif
 169
 170 /* Constants that may only be defined as expressions on some systems,
 171    expressions too complex for -fdump-go-spec to handle.  These are
 172    handled specially below.  */
 173 enum {
 174 #ifdef TIOCGWINSZ
 175   TIOCGWINSZ_val = TIOCGWINSZ,
 176 #endif
 177 #ifdef TIOCNOTTY
 178   TIOCNOTTY_val = TIOCNOTTY,
 179 #endif
 180 #ifdef TIOCSCTTY
 181   TIOCSCTTY_val = TIOCSCTTY,
 182 #endif
 183 #ifdef TIOCGPTN
 184   TIOCGPTN_val = TIOCGPTN,
 185 #endif
 186 #ifdef TIOCSPTLCK
 187   TIOCSPTLCK_val = TIOCSPTLCK,
 188 #endif
 189 #ifdef TIOCGDEV
 190   TIOCGDEV_val = TIOCGDEV,
 191 #endif
 192 #ifdef TIOCSIG
 193   TIOCSIG_val = TIOCSIG,
 194 #endif
 195 };
 196 EOF
 197
 198 ${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
 199
 200 echo 'package syscall' > ${OUT}
 201 echo 'import "unsafe"' >> ${OUT}
 202 echo 'type _ unsafe.Pointer' >> ${OUT}
 203
 204 # Get all the consts and types, skipping ones which could not be
 205 # represented in Go and ones which we need to rewrite.  We also skip
 206 # function declarations, as we don't need them here.  All the symbols
 207 # will all have a leading underscore.
 208 grep -v '^// ' gen-sysinfo.go | \
 209   grep -v '^func' | \
 210   grep -v '^type _timeval ' | \
 211   grep -v '^type _timespec_t ' | \
 212   grep -v '^type _timespec ' | \
 213   grep -v '^type _timestruc_t ' | \
 214   grep -v '^type _epoll_' | \
 215   grep -v 'in6_addr' | \
 216   grep -v 'sockaddr_in6' | \
 217   sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 218       -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 219       -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 220       -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 221     >> ${OUT}
 222
 223 # The errno constants.  These get type Errno.
 224 echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
 225   egrep '#define E[A-Z0-9_]+ ' | \
 226   sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
 227
 228 # The O_xxx flags.
 229 egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
 230   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 231 if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
 232   echo "const O_ASYNC = 0" >> ${OUT}
 233 fi
 234 if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 235   echo "const O_CLOEXEC = 0" >> ${OUT}
 236 fi
 237
 238 # The os package requires F_DUPFD_CLOEXEC to be defined.
 239 if ! grep '^const F_DUPFD_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 240   echo "const F_DUPFD_CLOEXEC = 0" >> ${OUT}
 241 fi
 242
 243 # These flags can be lost on i386 GNU/Linux when using
 244 # -D_FILE_OFFSET_BITS=64, because we see "#define F_SETLK F_SETLK64"
 245 # before we see the definition of F_SETLK64.
 246 for flag in F_GETLK F_SETLK F_SETLKW; do
 247   if ! grep "^const ${flag} " ${OUT} >/dev/null 2>&1 \
 248       && grep "^const ${flag}64 " ${OUT} >/dev/null 2>&1; then
 249     echo "const ${flag} = ${flag}64" >> ${OUT}
 250   fi
 251 done
 252
 253 # The signal numbers.
 254 grep '^const _SIG[^_]' gen-sysinfo.go | \
 255   grep -v '^const _SIGEV_' | \
 256   sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = Signal(_\2)/' >> ${OUT}
 257 if ! grep '^const SIGPOLL ' ${OUT} >/dev/null 2>&1; then
 258   if grep '^const SIGIO ' ${OUT} > /dev/null 2>&1; then
 259     echo "const SIGPOLL = SIGIO" >> ${OUT}
 260   fi
 261 fi
 262 if ! grep '^const SIGCLD ' ${OUT} >/dev/null 2>&1; then
 263   if grep '^const SIGCHLD ' ${OUT} >/dev/null 2>&1; then
 264     echo "const SIGCLD = SIGCHLD" >> ${OUT}
 265   fi
 266 fi
 267
 268 # The syscall numbers.  We force the names to upper case.
 269 grep '^const _SYS_' gen-sysinfo.go | \
 270   sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
 271   while read sys; do
 272     sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 273     echo "const $sup = _$sys" >> ${OUT}
 274   done
 275
 276 # The GNU/Linux support wants to use SYS_GETDENTS64 if available.
 277 if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
 278   echo "const SYS_GETDENTS = 0" >> ${OUT}
 279 fi
 280 if ! grep '^const SYS_GETDENTS64 ' ${OUT} >/dev/null 2>&1; then
 281   echo "const SYS_GETDENTS64 = 0" >> ${OUT}
 282 fi
 283
 284 # Stat constants.
 285 grep '^const _S_' gen-sysinfo.go | \
 286   sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 287
 288 # Mmap constants.
 289 grep '^const _PROT_' gen-sysinfo.go | \
 290   sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 291 grep '^const _MAP_' gen-sysinfo.go | \
 292   sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 293 grep '^const _MADV_' gen-sysinfo.go | \
 294   sed -e 's/^\(const \)_\(MADV_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 295 grep '^const _MCL_' gen-sysinfo.go | \
 296   sed -e 's/^\(const \)_\(MCL_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 297
 298 # Process status constants.
 299 grep '^const _W' gen-sysinfo.go |
 300   sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 301 # WSTOPPED was introduced in glibc 2.3.4.
 302 if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
 303   if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
 304     echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
 305   else
 306     echo 'const WSTOPPED = 2' >> ${OUT}
 307   fi
 308 fi
 309 if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
 310    && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
 311   echo 'const WALL = ___WALL' >> ${OUT}
 312 fi
 313
 314 # Networking constants.
 315 egrep '^const _(AF|ARPHRD|ETH|IN|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
 316   sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 317 grep '^const _SOMAXCONN' gen-sysinfo.go |
 318   sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
 319     >> ${OUT}
 320 grep '^const _SHUT_' gen-sysinfo.go |
 321   sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 322
 323 # The net package requires some const definitions.
 324 for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
 325   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 326     echo "const $m = 0" >> ${OUT}
 327   fi
 328 done
 329 for m in SOCK_CLOEXEC SOCK_NONBLOCK; do
 330   if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
 331     echo "const $m = -1" >> ${OUT}
 332   fi
 333 done
 334
 335 # The syscall package requires AF_LOCAL.
 336 if ! grep '^const AF_LOCAL ' ${OUT} >/dev/null 2>&1; then
 337   if grep '^const AF_UNIX ' ${OUT} >/dev/null 2>&1; then
 338     echo "const AF_LOCAL = AF_UNIX" >> ${OUT}
 339   fi
 340 fi
 341
 342 # pathconf constants.
 343 grep '^const __PC' gen-sysinfo.go |
 344   sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
 345
 346 # The PATH_MAX constant.
 347 if grep '^const _PATH_MAX ' gen-sysinfo.go >/dev/null 2>&1; then
 348   echo 'const PathMax = _PATH_MAX' >> ${OUT}
 349 fi
 350
 351 # epoll constants.
 352 grep '^const _EPOLL' gen-sysinfo.go |
 353   sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 354 # Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
 355 if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
 356   echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
 357 fi
 358 if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
 359   echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
 360 fi
 361
 362 # Prctl constants.
 363 grep '^const _PR_' gen-sysinfo.go |
 364   sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 365
 366 # Ptrace constants.
 367 grep '^const _PTRACE' gen-sysinfo.go |
 368   sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 369 # We need some ptrace options that are not defined in older versions
 370 # of glibc.
 371 if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
 372   echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
 373 fi
 374 if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
 375   echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
 376 fi
 377 if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
 378   echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
 379 fi
 380 if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
 381   echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
 382 fi
 383 if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
 384   echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
 385 fi
 386 if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
 387   echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
 388 fi
 389 if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
 390   echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
 391 fi
 392 if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
 393   echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
 394 fi
 395 if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
 396   echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
 397 fi
 398 if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
 399   echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
 400 fi
 401 if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
 402   echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
 403 fi
 404 if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
 405   echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
 406 fi
 407 if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
 408   echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
 409 fi
 410 if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
 411   echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
 412 fi
 413 if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
 414   echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
 415 fi
 416 if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
 417   echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
 418 fi
 419 if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
 420   echo "const _PTRACE_TRACEME = 0" >> ${OUT}
 421 fi
 422
 423 # The registers returned by PTRACE_GETREGS.  This is probably
 424 # GNU/Linux specific; it should do no harm if there is no
 425 # _user_regs_struct.
 426 regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
 427 if test "$regs" != ""; then
 428   regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'`
 429   regs=`echo $regs | sed -e s'/^ *//'`
 430   nregs=
 431   while test -n "$regs"; do
 432     field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
 433     regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 434     # Capitalize the first character of the field.
 435     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 436     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 437     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 438     field="$f$r"
 439     nregs="$nregs $field;"
 440   done
 441   echo "type PtraceRegs struct {$nregs }" >> ${OUT}
 442 fi
 443
 444 # Some basic types.
 445 echo 'type Size_t _size_t' >> ${OUT}
 446 echo "type Ssize_t _ssize_t" >> ${OUT}
 447 if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
 448   echo "type Offset_t _off64_t" >> ${OUT}
 449 else
 450   echo "type Offset_t _off_t" >> ${OUT}
 451 fi
 452 echo "type Mode_t _mode_t" >> ${OUT}
 453 echo "type Pid_t _pid_t" >> ${OUT}
 454 echo "type Uid_t _uid_t" >> ${OUT}
 455 echo "type Gid_t _gid_t" >> ${OUT}
 456 echo "type Socklen_t _socklen_t" >> ${OUT}
 457
 458 # The C int type.
 459 sizeof_int=`grep '^const ___SIZEOF_INT__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 460 if test "$sizeof_int" = "4"; then
 461   echo "type _C_int int32" >> ${OUT}
 462   echo "type _C_uint uint32" >> ${OUT}
 463 elif test "$sizeof_int" = "8"; then
 464   echo "type _C_int int64" >> ${OUT}
 465   echo "type _C_uint uint64" >> ${OUT}
 466 else
 467   echo 1>&2 "mksysinfo.sh: could not determine size of int (got $sizeof_int)"
 468   exit 1
 469 fi
 470
 471 # The C long type, needed because that is the type that ptrace returns.
 472 sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
 473 if test "$sizeof_long" = "4"; then
 474   echo "type _C_long int32" >> ${OUT}
 475 elif test "$sizeof_long" = "8"; then
 476   echo "type _C_long int64" >> ${OUT}
 477 else
 478   echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
 479   exit 1
 480 fi
 481
 482 # Solaris 2 needs _u?pad128_t, but its default definition in terms of long
 483 # double is commented by -fdump-go-spec.
 484 if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 485   echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
 486 fi
 487 if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
 488   echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
 489 fi
 490
 491 # The time_t type.
 492 if grep '^type _time_t ' gen-sysinfo.go > /dev/null 2>&1; then
 493   echo 'type Time_t _time_t' >> ${OUT}
 494 fi
 495
 496 # The time structures need special handling: we need to name the
 497 # types, so that we can cast integers to the right types when
 498 # assigning to the structures.
 499 timeval=`grep '^type _timeval ' gen-sysinfo.go`
 500 timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 501 timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
 502 echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
 503 echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
 504 echo $timeval | \
 505   sed -e 's/type _timeval /type Timeval /' \
 506       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
 507       -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
 508 timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
 509 if test "$timespec" = ""; then
 510   # IRIX 6.5 has __timespec instead.
 511   timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
 512 fi
 513 timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 514 timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 515 echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
 516 echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
 517 echo $timespec | \
 518   sed -e 's/^type ___timespec /type Timespec /' \
 519       -e 's/^type _timespec /type Timespec /' \
 520       -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
 521       -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
 522
 523 timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
 524 if test "$timestruc" != ""; then
 525   timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
 526   timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
 527   echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
 528   echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
 529   echo $timestruc | \
 530     sed -e 's/^type _timestruc_t /type Timestruc /' \
 531         -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
 532         -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
 533 fi
 534
 535 # The tms struct.
 536 grep '^type _tms ' gen-sysinfo.go | \
 537     sed -e 's/type _tms/type Tms/' \
 538       -e 's/tms_utime/Utime/' \
 539       -e 's/tms_stime/Stime/' \
 540       -e 's/tms_cutime/Cutime/' \
 541       -e 's/tms_cstime/Cstime/' \
 542     >> ${OUT}
 543
 544 # The stat type.
 545 # Prefer largefile variant if available.
 546 stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
 547 if test "$stat" != ""; then
 548   grep '^type _stat64 ' gen-sysinfo.go
 549 else
 550   grep '^type _stat ' gen-sysinfo.go
 551 fi | sed -e 's/type _stat64/type Stat_t/' \
 552          -e 's/type _stat/type Stat_t/' \
 553          -e 's/st_dev/Dev/' \
 554          -e 's/st_ino/Ino/g' \
 555          -e 's/st_nlink/Nlink/' \
 556          -e 's/st_mode/Mode/' \
 557          -e 's/st_uid/Uid/' \
 558          -e 's/st_gid/Gid/' \
 559          -e 's/st_rdev/Rdev/' \
 560          -e 's/st_size/Size/' \
 561          -e 's/st_blksize/Blksize/' \
 562          -e 's/st_blocks/Blocks/' \
 563          -e 's/st_atim/Atim/' \
 564          -e 's/st_mtim/Mtim/' \
 565          -e 's/st_ctim/Ctim/' \
 566          -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
 567          -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 568          -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
 569          -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
 570          -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
 571        >> ${OUT}
 572
 573 # The directory searching types.
 574 # Prefer largefile variant if available.
 575 dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
 576 if test "$dirent" != ""; then
 577   grep '^type _dirent64 ' gen-sysinfo.go
 578 else
 579   grep '^type _dirent ' gen-sysinfo.go
 580 fi | sed -e 's/type _dirent64/type Dirent/' \
 581          -e 's/type _dirent/type Dirent/' \
 582          -e 's/d_name \[0+1\]/d_name [0+256]/' \
 583          -e 's/d_name/Name/' \
 584          -e 's/]int8/]byte/' \
 585          -e 's/d_ino/Ino/' \
 586          -e 's/d_off/Off/' \
 587          -e 's/d_reclen/Reclen/' \
 588          -e 's/d_type/Type/' \
 589       >> ${OUT}
 590 echo "type DIR _DIR" >> ${OUT}
 591
 592 # Values for d_type field in dirent.
 593 grep '^const _DT_' gen-sysinfo.go |
 594   sed -e 's/^\(const \)_\(DT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 595
 596 # The rusage struct.
 597 rusage=`grep '^type _rusage struct' gen-sysinfo.go`
 598 if test "$rusage" != ""; then
 599   # Remove anonymous unions from GNU/Linux <bits/resource.h>.
 600   rusage=`echo $rusage | sed -e 's/Godump_[0-9]* struct {\([^}]*\)};/\1/g'`
 601   rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
 602   rusage=`echo $rusage | sed -e 's/^ *//'`
 603   nrusage=
 604   while test -n "$rusage"; do
 605     field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
 606     rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
 607     # Drop the leading ru_, capitalize the next character.
 608     field=`echo $field | sed -e 's/^ru_//'`
 609     f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
 610     r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
 611     f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 612     # Fix _timeval _timespec, and _timestruc_t.
 613     r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
 614     r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
 615     r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
 616     field="$f$r"
 617     nrusage="$nrusage $field;"
 618   done
 619   echo "type Rusage struct {$nrusage }" >> ${OUT}
 620 else
 621   echo "type Rusage struct {}" >> ${OUT}
 622 fi
 623
 624 # The RUSAGE constants.
 625 grep '^const _RUSAGE_' gen-sysinfo.go | \
 626   sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 627
 628 # The utsname struct.
 629 grep '^type _utsname ' gen-sysinfo.go | \
 630     sed -e 's/_utsname/Utsname/' \
 631       -e 's/sysname/Sysname/' \
 632       -e 's/nodename/Nodename/' \
 633       -e 's/release/Release/' \
 634       -e 's/version/Version/' \
 635       -e 's/machine/Machine/' \
 636       -e 's/domainname/Domainname/' \
 637     >> ${OUT}
 638
 639 # The iovec struct.
 640 iovec=`grep '^type _iovec ' gen-sysinfo.go`
 641 iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
 642 echo "type Iovec_len_t $iovec_len" >> ${OUT}
 643 echo $iovec | \
 644     sed -e 's/_iovec/Iovec/' \
 645       -e 's/iov_base/Base/' \
 646       -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
 647     >> ${OUT}
 648
 649 # The msghdr struct.
 650 msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
 651 msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
 652 echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
 653 echo $msghdr | \
 654     sed -e 's/_msghdr/Msghdr/' \
 655       -e 's/msg_name/Name/' \
 656       -e 's/msg_namelen/Namelen/' \
 657       -e 's/msg_iov/Iov/' \
 658       -e 's/msg_iovlen/Iovlen/' \
 659       -e 's/_iovec/Iovec/' \
 660       -e 's/msg_control/Control/' \
 661       -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
 662       -e 's/msg_flags/Flags/' \
 663     >> ${OUT}
 664
 665 # The MSG_ flags for Msghdr.
 666 grep '^const _MSG_' gen-sysinfo.go | \
 667   sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 668
 669 # The cmsghdr struct.
 670 cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
 671 if test -n "$cmsghdr"; then
 672   cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
 673   echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
 674   echo "$cmsghdr" | \
 675       sed -e 's/_cmsghdr/Cmsghdr/' \
 676         -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
 677         -e 's/cmsg_level/Level/' \
 678         -e 's/cmsg_type/Type/' \
 679         -e 's/\[\]/[0]/' \
 680       >> ${OUT}
 681 fi
 682
 683 # The SCM_ flags for Cmsghdr.
 684 grep '^const _SCM_' gen-sysinfo.go | \
 685   sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 686
 687 # The ucred struct.
 688 grep '^type _ucred ' gen-sysinfo.go | \
 689     sed -e 's/_ucred/Ucred/' \
 690       -e 's/pid/Pid/' \
 691       -e 's/uid/Uid/' \
 692       -e 's/gid/Gid/' \
 693     >> ${OUT}
 694
 695 # The ip_mreq struct.
 696 grep '^type _ip_mreq ' gen-sysinfo.go | \
 697     sed -e 's/_ip_mreq/IPMreq/' \
 698       -e 's/imr_multiaddr/Multiaddr/' \
 699       -e 's/imr_interface/Interface/' \
 700       -e 's/_in_addr/[4]byte/g' \
 701     >> ${OUT}
 702
 703 # We need IPMreq to compile the net package.
 704 if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
 705   echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
 706 fi
 707
 708 # The ipv6_mreq struct.
 709 grep '^type _ipv6_mreq ' gen-sysinfo.go | \
 710     sed -e 's/_ipv6_mreq/IPv6Mreq/' \
 711       -e 's/ipv6mr_multiaddr/Multiaddr/' \
 712       -e 's/ipv6mr_interface/Interface/' \
 713       -e 's/_in6_addr/[16]byte/' \
 714     >> ${OUT}
 715
 716 # We need IPv6Mreq to compile the net package.
 717 if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
 718   echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
 719 fi
 720
 721 # The ip_mreqn struct.
 722 grep '^type _ip_mreqn ' gen-sysinfo.go | \
 723     sed -e 's/_ip_mreqn/IPMreqn/' \
 724       -e 's/imr_multiaddr/Multiaddr/' \
 725       -e 's/imr_address/Address/' \
 726       -e 's/imr_ifindex/Ifindex/' \
 727       -e 's/_in_addr/[4]byte/g' \
 728     >> ${OUT}
 729
 730 # We need IPMreq to compile the net package.
 731 if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
 732   echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
 733 fi
 734
 735 # The icmp6_filter struct.
 736 grep '^type _icmp6_filter ' gen-sysinfo.go | \
 737     sed -e 's/_icmp6_filter/ICMPv6Filter/' \
 738       -e 's/data/Data/' \
 739       -e 's/filt/Filt/' \
 740     >> ${OUT}
 741
 742 # We need ICMPv6Filter to compile the syscall package.
 743 if ! grep 'type ICMPv6Filter ' ${OUT} > /dev/null 2>&1; then
 744   echo 'type ICMPv6Filter struct { Data [8]uint32 }' >> ${OUT}
 745 fi
 746
 747 # Try to guess the type to use for fd_set.
 748 fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
 749 fds_bits_type="_C_long"
 750 if test "$fd_set" != ""; then
 751     fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
 752 fi
 753 echo "type fds_bits_type $fds_bits_type" >> ${OUT}
 754
 755 # The addrinfo struct.
 756 grep '^type _addrinfo ' gen-sysinfo.go | \
 757     sed -e 's/_addrinfo/Addrinfo/g' \
 758       -e 's/ ai_/ Ai_/g' \
 759     >> ${OUT}
 760
 761 # The addrinfo flags and errors.
 762 grep '^const _AI_' gen-sysinfo.go | \
 763   sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 764 grep '^const _EAI_' gen-sysinfo.go | \
 765   sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 766
 767 # The passwd struct.
 768 grep '^type _passwd ' gen-sysinfo.go | \
 769     sed -e 's/_passwd/Passwd/' \
 770       -e 's/ pw_/ Pw_/g' \
 771     >> ${OUT}
 772
 773 # The ioctl flags for the controlling TTY.
 774 grep '^const _TIOC' gen-sysinfo.go | \
 775     grep -v '_val =' | \
 776     sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 777 # We need TIOCGWINSZ.
 778 if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
 779   if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
 780     echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
 781   fi
 782 fi
 783 if ! grep '^const TIOCNOTTY' ${OUT} >/dev/null 2>&1; then
 784   if grep '^const _TIOCNOTTY_val' ${OUT} >/dev/null 2>&1; then
 785     echo 'const TIOCNOTTY = _TIOCNOTTY_val' >> ${OUT}
 786   fi
 787 fi
 788 if ! grep '^const TIOCSCTTY' ${OUT} >/dev/null 2>&1; then
 789   if grep '^const _TIOCSCTTY_val' ${OUT} >/dev/null 2>&1; then
 790     echo 'const TIOCSCTTY = _TIOCSCTTY_val' >> ${OUT}
 791   fi
 792 fi
 793 if ! grep '^const TIOCGPTN' ${OUT} >/dev/null 2>&1; then
 794   if grep '^const _TIOCGPTN_val' ${OUT} >/dev/null 2>&1; then
 795     echo 'const TIOCGPTN = _TIOCGPTN_val' >> ${OUT}
 796   fi
 797 fi
 798 if ! grep '^const TIOCSPTLCK' ${OUT} >/dev/null 2>&1; then
 799   if grep '^const _TIOCSPTLCK_val' ${OUT} >/dev/null 2>&1; then
 800     echo 'const TIOCSPTLCK = _TIOCSPTLCK_val' >> ${OUT}
 801   fi
 802 fi
 803 if ! grep '^const TIOCGDEV' ${OUT} >/dev/null 2>&1; then
 804   if grep '^const _TIOCGDEV_val' ${OUT} >/dev/null 2>&1; then
 805     echo 'const TIOCGDEV = _TIOCGDEV_val' >> ${OUT}
 806   fi
 807 fi
 808 if ! grep '^const TIOCSIG' ${OUT} >/dev/null 2>&1; then
 809   if grep '^const _TIOCSIG_val' ${OUT} >/dev/null 2>&1; then
 810     echo 'const TIOCSIG = _TIOCSIG_val' >> ${OUT}
 811   fi
 812 fi
 813
 814 # The ioctl flags for terminal control
 815 grep '^const _TC[GS]ET' gen-sysinfo.go | \
 816     sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 817
 818 # ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
 819 # needs handling in syscalls.exec.go.
 820 if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
 821   if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
 822     echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
 823   fi
 824 fi
 825
 826 # The nlmsghdr struct.
 827 grep '^type _nlmsghdr ' gen-sysinfo.go | \
 828     sed -e 's/_nlmsghdr/NlMsghdr/' \
 829       -e 's/nlmsg_len/Len/' \
 830       -e 's/nlmsg_type/Type/' \
 831       -e 's/nlmsg_flags/Flags/' \
 832       -e 's/nlmsg_seq/Seq/' \
 833       -e 's/nlmsg_pid/Pid/' \
 834     >> ${OUT}
 835
 836 # The nlmsg flags and operators.
 837 grep '^const _NLM' gen-sysinfo.go | \
 838     sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 839
 840 # NLMSG_HDRLEN is defined as an expression using sizeof.
 841 if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
 842   if grep '^const _sizeof_nlmsghdr ' ${OUT} > /dev/null 2>&1; then
 843     echo 'const NLMSG_HDRLEN = (_sizeof_nlmsghdr + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1)' >> ${OUT}
 844   fi
 845 fi
 846
 847 # The rtmsg struct.
 848 grep '^type _rtmsg ' gen-sysinfo.go | \
 849     sed -e 's/_rtmsg/RtMsg/' \
 850       -e 's/rtm_family/Family/' \
 851       -e 's/rtm_dst_len/Dst_len/' \
 852       -e 's/rtm_src_len/Src_len/' \
 853       -e 's/rtm_tos/Tos/' \
 854       -e 's/rtm_table/Table/' \
 855       -e 's/rtm_protocol/Protocol/' \
 856       -e 's/rtm_scope/Scope/' \
 857       -e 's/rtm_type/Type/' \
 858       -e 's/rtm_flags/Flags/' \
 859     >> ${OUT}
 860
 861 # The rtgenmsg struct.
 862 grep '^type _rtgenmsg ' gen-sysinfo.go | \
 863     sed -e 's/_rtgenmsg/RtGenmsg/' \
 864       -e 's/rtgen_family/Family/' \
 865     >> ${OUT}
 866
 867 # The routing message flags.
 868 grep '^const _RT_' gen-sysinfo.go | \
 869     sed -e 's/^\(const \)_\(RT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 870 grep '^const _RTA' gen-sysinfo.go | \
 871     sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 872 grep '^const _RTF' gen-sysinfo.go | \
 873     sed -e 's/^\(const \)_\(RTF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 874 grep '^const _RTCF' gen-sysinfo.go | \
 875     sed -e 's/^\(const \)_\(RTCF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 876 grep '^const _RTM' gen-sysinfo.go | \
 877     sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 878 grep '^const _RTN' gen-sysinfo.go | \
 879     sed -e 's/^\(const \)_\(RTN[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 880 grep '^const _RTPROT' gen-sysinfo.go | \
 881     sed -e 's/^\(const \)_\(RTPROT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 882
 883 # The ifinfomsg struct.
 884 grep '^type _ifinfomsg ' gen-sysinfo.go | \
 885     sed -e 's/_ifinfomsg/IfInfomsg/' \
 886       -e 's/ifi_family/Family/' \
 887       -e 's/ifi_type/Type/' \
 888       -e 's/ifi_index/Index/' \
 889       -e 's/ifi_flags/Flags/' \
 890       -e 's/ifi_change/Change/' \
 891     >> ${OUT}
 892
 893 # The interface information types and flags.
 894 grep '^const _IFA' gen-sysinfo.go | \
 895     sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 896 grep '^const _IFLA' gen-sysinfo.go | \
 897     sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 898 grep '^const _IFF' gen-sysinfo.go | \
 899     sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 900 grep '^const _IFNAMSIZ' gen-sysinfo.go | \
 901     sed -e 's/^\(const \)_\(IFNAMSIZ[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 902 grep '^const _SIOC' gen-sysinfo.go |
 903     sed -e 's/^\(const \)_\(SIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 904
 905 # The ifaddrmsg struct.
 906 grep '^type _ifaddrmsg ' gen-sysinfo.go | \
 907     sed -e 's/_ifaddrmsg/IfAddrmsg/' \
 908       -e 's/ifa_family/Family/' \
 909       -e 's/ifa_prefixlen/Prefixlen/' \
 910       -e 's/ifa_flags/Flags/' \
 911       -e 's/ifa_scope/Scope/' \
 912       -e 's/ifa_index/Index/' \
 913     >> ${OUT}
 914
 915 # The rtattr struct.
 916 grep '^type _rtattr ' gen-sysinfo.go | \
 917     sed -e 's/_rtattr/RtAttr/' \
 918       -e 's/rta_len/Len/' \
 919       -e 's/rta_type/Type/' \
 920     >> ${OUT}
 921
 922 # The in_pktinfo struct.
 923 grep '^type _in_pktinfo ' gen-sysinfo.go | \
 924     sed -e 's/_in_pktinfo/Inet4Pktinfo/' \
 925       -e 's/ipi_ifindex/Ifindex/' \
 926       -e 's/ipi_spec_dst/Spec_dst/' \
 927       -e 's/ipi_addr/Addr/' \
 928       -e 's/_in_addr/[4]byte/g' \
 929     >> ${OUT}
 930
 931 # The in6_pktinfo struct.
 932 grep '^type _in6_pktinfo ' gen-sysinfo.go | \
 933     sed -e 's/_in6_pktinfo/Inet6Pktinfo/' \
 934       -e 's/ipi6_addr/Addr/' \
 935       -e 's/ipi6_ifindex/Ifindex/' \
 936       -e 's/_in6_addr/[16]byte/' \
 937     >> ${OUT}
 938
 939 # The termios struct.
 940 grep '^type _termios ' gen-sysinfo.go | \
 941     sed -e 's/_termios/Termios/' \
 942       -e 's/c_iflag/Iflag/' \
 943       -e 's/c_oflag/Oflag/' \
 944       -e 's/c_cflag/Cflag/' \
 945       -e 's/c_lflag/Lflag/' \
 946       -e 's/c_line/Line/' \
 947       -e 's/c_cc/Cc/' \
 948       -e 's/c_ispeed/Ispeed/' \
 949       -e 's/c_ospeed/Ospeed/' \
 950     >> ${OUT}
 951
 952 # The termios constants.
 953 for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
 954     IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
 955     OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 CS5 CS6 CS7 CS8 TABDLY \
 956     BSDLY VTDLY FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL \
 957     CLOCAL LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK \
 958     ECHONL ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN \
 959     VINTR VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP \
 960     VSUSP VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
 961     TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
 962     B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
 963     B38400 B57600 B115200 B230400 B460800 B500000 B576000 B921600 B1000000 \
 964     B1152000 B1500000 B2000000 B2500000 B3000000 B3500000 B4000000; do
 965
 966     grep "^const _$n " gen-sysinfo.go | \
 967         sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 968 done
 969
 970 # The mount flags
 971 grep '^const _MNT_' gen-sysinfo.go |
 972     sed -e 's/^\(const \)_\(MNT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 973 grep '^const _MS_' gen-sysinfo.go |
 974     sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 975
 976 # The fallocate flags.
 977 grep '^const _FALLOC_' gen-sysinfo.go |
 978     sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 979
 980 # The statfs struct.
 981 # Prefer largefile variant if available.
 982 statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
 983 if test "$statfs" != ""; then
 984   grep '^type _statfs64 ' gen-sysinfo.go
 985 else
 986   grep '^type _statfs ' gen-sysinfo.go
 987 fi | sed -e 's/type _statfs64/type Statfs_t/' \
 988          -e 's/type _statfs/type Statfs_t/' \
 989          -e 's/f_type/Type/' \
 990          -e 's/f_bsize/Bsize/' \
 991          -e 's/f_blocks/Blocks/' \
 992          -e 's/f_bfree/Bfree/' \
 993          -e 's/f_bavail/Bavail/' \
 994          -e 's/f_files/Files/' \
 995          -e 's/f_ffree/Ffree/' \
 996          -e 's/f_fsid/Fsid/' \
 997          -e 's/f_namelen/Namelen/' \
 998          -e 's/f_frsize/Frsize/' \
 999          -e 's/f_flags/Flags/' \
1000          -e 's/f_spare/Spare/' \
1001     >> ${OUT}
1002
1003 # The timex struct.
1004 timex=`grep '^type _timex ' gen-sysinfo.go || true`
1005 if test "$timex" = ""; then
1006   timex=`grep '^// type _timex ' gen-sysinfo.go || true`
1007   if test "$timex" != ""; then
1008     timex=`echo $timex | sed -e 's|// ||' -e 's/INVALID-bit-field/int32/g'`
1009   fi
1010 fi
1011 if test "$timex" != ""; then
1012   echo "$timex" | \
1013     sed -e 's/_timex/Timex/' \
1014       -e 's/modes/Modes/' \
1015       -e 's/offset/Offset/' \
1016       -e 's/freq/Freq/' \
1017       -e 's/maxerror/Maxerror/' \
1018       -e 's/esterror/Esterror/' \
1019       -e 's/status/Status/' \
1020       -e 's/constant/Constant/' \
1021       -e 's/precision/Precision/' \
1022       -e 's/tolerance/Tolerance/' \
1023       -e 's/ time / Time /' \
1024       -e 's/tick/Tick/' \
1025       -e 's/ppsfreq/Ppsfreq/' \
1026       -e 's/jitter/Jitter/' \
1027       -e 's/shift/Shift/' \
1028       -e 's/stabil/Stabil/' \
1029       -e 's/jitcnt/Jitcnt/' \
1030       -e 's/calcnt/Calcnt/' \
1031       -e 's/errcnt/Errcnt/' \
1032       -e 's/stbcnt/Stbcnt/' \
1033       -e 's/tai/Tai/' \
1034       -e 's/_timeval/Timeval/' \
1035     >> ${OUT}
1036 fi
1037
1038 # The rlimit struct.
1039 grep '^type _rlimit ' gen-sysinfo.go | \
1040     sed -e 's/_rlimit/Rlimit/' \
1041       -e 's/rlim_cur/Cur/' \
1042       -e 's/rlim_max/Max/' \
1043     >> ${OUT}
1044
1045 # The RLIMIT constants.
1046 grep '^const _RLIMIT_' gen-sysinfo.go |
1047     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1048 grep '^const _RLIM_' gen-sysinfo.go |
1049     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1050
1051 # The sysinfo struct.
1052 grep '^type _sysinfo ' gen-sysinfo.go | \
1053     sed -e 's/_sysinfo/Sysinfo_t/' \
1054       -e 's/uptime/Uptime/' \
1055       -e 's/loads/Loads/' \
1056       -e 's/totalram/Totalram/' \
1057       -e 's/freeram/Freeram/' \
1058       -e 's/sharedram/Sharedram/' \
1059       -e 's/bufferram/Bufferram/' \
1060       -e 's/totalswap/Totalswap/' \
1061       -e 's/freeswap/Freeswap/' \
1062       -e 's/procs/Procs/' \
1063       -e 's/totalhigh/Totalhigh/' \
1064       -e 's/freehigh/Freehigh/' \
1065       -e 's/mem_unit/Unit/' \
1066     >> ${OUT}
1067
1068 # The ustat struct.
1069 grep '^type _ustat ' gen-sysinfo.go | \
1070     sed -e 's/_ustat/Ustat_t/' \
1071       -e 's/f_tfree/Tfree/' \
1072       -e 's/f_tinode/Tinoe/' \
1073       -e 's/f_fname/Fname/' \
1074       -e 's/f_fpack/Fpack/' \
1075     >> ${OUT}
1076 # Force it to be defined, as on some older GNU/Linux systems the
1077 # header file fails when using with <linux/filter.h>.
1078 if ! grep 'type _ustat ' gen-sysinfo.go >/dev/null 2>&1; then
1079   echo 'type Ustat_t struct { Tfree int32; Tinoe uint64; Fname [5+1]int8; Fpack [5+1]int8; }' >> ${OUT}
1080 fi
1081
1082 # The utimbuf struct.
1083 grep '^type _utimbuf ' gen-sysinfo.go | \
1084     sed -e 's/_utimbuf/Utimbuf/' \
1085       -e 's/actime/Actime/' \
1086       -e 's/modtime/Modtime/' \
1087     >> ${OUT}
1088
1089 # The LOCK flags for flock.
1090 grep '^const _LOCK_' gen-sysinfo.go |
1091     sed -e 's/^\(const \)_\(LOCK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1092
1093 # The PRIO constants.
1094 grep '^const _PRIO_' gen-sysinfo.go | \
1095   sed -e 's/^\(const \)_\(PRIO_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1096
1097 # The GNU/Linux LINUX_REBOOT flags.
1098 grep '^const _LINUX_REBOOT_' gen-sysinfo.go |
1099     sed -e 's/^\(const \)_\(LINUX_REBOOT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1100
1101 # The GNU/Linux sock_filter struct.
1102 grep '^type _sock_filter ' gen-sysinfo.go | \
1103     sed -e 's/_sock_filter/SockFilter/' \
1104       -e 's/code/Code/' \
1105       -e 's/jt/Jt/' \
1106       -e 's/jf/Jf/' \
1107       -e 's/k /K /' \
1108     >> ${OUT}
1109
1110 # The GNU/Linux sock_fprog struct.
1111 grep '^type _sock_fprog ' gen-sysinfo.go | \
1112     sed -e 's/_sock_fprog/SockFprog/' \
1113       -e 's/len/Len/' \
1114       -e 's/filter/Filter/' \
1115       -e 's/_sock_filter/SockFilter/' \
1116     >> ${OUT}
1117
1118 # The GNU/Linux filter flags.
1119 grep '^const _BPF_' gen-sysinfo.go | \
1120   sed -e 's/^\(const \)_\(BPF_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1121
1122 # The GNU/Linux nlattr struct.
1123 grep '^type _nlattr ' gen-sysinfo.go | \
1124     sed -e 's/_nlattr/NlAttr/' \
1125       -e 's/nla_len/Len/' \
1126       -e 's/nla_type/Type/' \
1127     >> ${OUT}
1128
1129 # The GNU/Linux nlmsgerr struct.
1130 grep '^type _nlmsgerr ' gen-sysinfo.go | \
1131     sed -e 's/_nlmsgerr/NlMsgerr/' \
1132       -e 's/error/Error/' \
1133       -e 's/msg/Msg/' \
1134       -e 's/_nlmsghdr/NlMsghdr/' \
1135     >> ${OUT}
1136
1137 # The GNU/Linux rtnexthop struct.
1138 grep '^type _rtnexthop ' gen-sysinfo.go | \
1139     sed -e 's/_rtnexthop/RtNexthop/' \
1140       -e 's/rtnh_len/Len/' \
1141       -e 's/rtnh_flags/Flags/' \
1142       -e 's/rtnh_hops/Hops/' \
1143       -e 's/rtnh_ifindex/Ifindex/' \
1144     >> ${OUT}
1145
1146 # The GNU/Linux netlink flags.
1147 grep '^const _NETLINK_' gen-sysinfo.go | \
1148   sed -e 's/^\(const \)_\(NETLINK_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1149 grep '^const _NLA_' gen-sysinfo.go | \
1150   sed -e 's/^\(const \)_\(NLA_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1151
1152 # The GNU/Linux packet socket flags.
1153 grep '^const _PACKET_' gen-sysinfo.go | \
1154   sed -e 's/^\(const \)_\(PACKET_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1155
1156 # The GNU/Linux inotify_event struct.
1157 grep '^type _inotify_event ' gen-sysinfo.go | \
1158     sed -e 's/_inotify_event/InotifyEvent/' \
1159       -e 's/wd/Wd/' \
1160       -e 's/mask/Mask/' \
1161       -e 's/cookie/Cookie/' \
1162       -e 's/len/Len/' \
1163       -e 's/name/Name/' \
1164       -e 's/\[\]/[0]/' \
1165       -e 's/\[0\]byte/[0]int8/' \
1166     >> ${OUT}
1167
1168 # The GNU/Linux CLONE flags.
1169 grep '^const _CLONE_' gen-sysinfo.go | \
1170   sed -e 's/^\(const \)_\(CLONE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
1171
1172 # The Solaris 11 Update 1 _zone_net_addr_t struct.
1173 grep '^type _zone_net_addr_t ' gen-sysinfo.go | \
1174     sed -e 's/_in6_addr/[16]byte/' \
1175     >> ${OUT}
1176
1177 # Struct sizes.
1178 set cmsghdr Cmsghdr ip_mreq IPMreq ip_mreqn IPMreqn ipv6_mreq IPv6Mreq \
1179     ifaddrmsg IfAddrmsg ifinfomsg IfInfomsg in_pktinfo Inet4Pktinfo \
1180     in6_pktinfo Inet6Pktinfo inotify_event InotifyEvent linger Linger \
1181     msghdr Msghdr nlattr NlAttr nlmsgerr NlMsgerr nlmsghdr NlMsghdr \
1182     rtattr RtAttr rtgenmsg RtGenmsg rtmsg RtMsg rtnexthop RtNexthop \
1183     sock_filter SockFilter sock_fprog SockFprog ucred Ucred \
1184     icmp6_filter ICMPv6Filter
1185 while test $# != 0; do
1186     nc=$1
1187     ngo=$2
1188     shift
1189     shift
1190     if grep "^const _sizeof_$nc =" gen-sysinfo.go >/dev/null 2>&1; then
1191         echo "const Sizeof$ngo = _sizeof_$nc" >> ${OUT}
1192     fi
1193 done
1194
1195 # In order to compile the net package, we need some sizes to exist
1196 # even if the types do not.
1197 if ! grep 'const SizeofIPMreq ' ${OUT} >/dev/null 2>&1; then
1198     echo 'const SizeofIPMreq = 8' >> ${OUT}
1199 fi
1200 if ! grep 'const SizeofIPv6Mreq ' ${OUT} >/dev/null 2>&1; then
1201     echo 'const SizeofIPv6Mreq = 20' >> ${OUT}
1202 fi
1203 if ! grep 'const SizeofIPMreqn ' ${OUT} >/dev/null 2>&1; then
1204     echo 'const SizeofIPMreqn = 12' >> ${OUT}
1205 fi
1206 if ! grep 'const SizeofICMPv6Filter ' ${OUT} >/dev/null 2>&1; then
1207     echo 'const SizeofICMPv6Filter = 32' >> ${OUT}
1208 fi
1209
1210 exit $?