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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [mksysinfo.sh] - Blame information for rev 774

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1 747 jeremybenn 
#!/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 
#include <signal.h>
44 
#include <sys/ioctl.h>
45 
#include <termios.h>
46 
#if defined(HAVE_SYSCALL_H)
47 
#include <syscall.h>
48 
#endif
49 
#if defined(HAVE_SYS_SYSCALL_H)
50 
#include <sys/syscall.h>
51 
#endif
52 
#if defined(HAVE_SYS_EPOLL_H)
53 
#include <sys/epoll.h>
54 
#endif
55 
#if defined(HAVE_SYS_MMAN_H)
56 
#include <sys/mman.h>
57 
#endif
58 
#if defined(HAVE_SYS_PRCTL_H)
59 
#include <sys/prctl.h>
60 
#endif
61 
#if defined(HAVE_SYS_PTRACE_H)
62 
#include <sys/ptrace.h>
63 
#endif
64 
#include <sys/resource.h>
65 
#include <sys/uio.h>
66 
#include <sys/socket.h>
67 
#include <sys/stat.h>
68 
#include <sys/time.h>
69 
#include <sys/times.h>
70 
#include <sys/wait.h>
71 
#include <sys/un.h>
72 
#if defined(HAVE_SYS_USER_H)
73 
#include <sys/user.h>
74 
#endif
75 
#if defined(HAVE_SYS_UTSNAME_H)
76 
#include <sys/utsname.h>
77 
#endif
78 
#if defined(HAVE_SYS_SELECT_H)
79 
#include <sys/select.h>
80 
#endif
81 
#include <unistd.h>
82 
#include <netdb.h>
83 
#include <pwd.h>
84 
#if defined(HAVE_LINUX_FILTER_H)
85 
#include <linux/filter.h>
86 
#endif
87 
#if defined(HAVE_LINUX_NETLINK_H)
88 
#include <linux/netlink.h>
89 
#endif
90 
#if defined(HAVE_LINUX_RTNETLINK_H)
91 
#include <linux/rtnetlink.h>
92 
#endif
93 
#if defined(HAVE_NET_IF_H)
94 
#include <net/if.h>
95 
#endif
96 
#if defined(HAVE_SYS_MOUNT_H)
97 
#include <sys/mount.h>
98 
#endif
99 
#if defined(HAVE_SYS_VFS_H)
100 
#include <sys/vfs.h>
101 
#endif
102 
#if defined(HAVE_STATFS_H)
103 
#include <sys/statfs.h>
104 
#endif
105 
 
106 
/* Constants that may only be defined as expressions on some systems,
107 
   expressions too complex for -fdump-go-spec to handle.  These are
108 
   handled specially below.  */
109 
enum {
110 
#ifdef TIOCGWINSZ
111 
  TIOCGWINSZ_val = TIOCGWINSZ,
112 
#endif
113 
};
114 
EOF
115 
 
116 
${CC} -fdump-go-spec=gen-sysinfo.go -std=gnu99 -S -o sysinfo.s sysinfo.c
117 
 
118 
echo 'package syscall' > ${OUT}
119 
echo 'import "unsafe"' >> ${OUT}
120 
echo 'type _ unsafe.Pointer' >> ${OUT}
121 
 
122 
# Get all the consts and types, skipping ones which could not be
123 
# represented in Go and ones which we need to rewrite.  We also skip
124 
# function declarations, as we don't need them here.  All the symbols
125 
# will all have a leading underscore.
126 
grep -v '^// ' gen-sysinfo.go | \
127 
  grep -v '^func' | \
128 
  grep -v '^type _timeval ' | \
129 
  grep -v '^type _timespec_t ' | \
130 
  grep -v '^type _timespec ' | \
131 
  grep -v '^type _timestruc_t ' | \
132 
  grep -v '^type _epoll_' | \
133 
  grep -v 'in6_addr' | \
134 
  grep -v 'sockaddr_in6' | \
135 
  sed -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
136 
      -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
137 
      -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
138 
      -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
139 
    >> ${OUT}
140 
 
141 
# The errno constants.  These get type Errno.
142 
echo '#include <errno.h>' | ${CC} -x c - -E -dM | \
143 
  egrep '#define E[A-Z0-9_]+ ' | \
144 
  sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
145 
 
146 
# The O_xxx flags.
147 
egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
148 
  sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
149 
if ! grep '^const O_ASYNC' ${OUT} >/dev/null 2>&1; then
150 
  echo "const O_ASYNC = 0" >> ${OUT}
151 
fi
152 
if ! grep '^const O_CLOEXEC' ${OUT} >/dev/null 2>&1; then
153 
  echo "const O_CLOEXEC = 0" >> ${OUT}
154 
fi
155 
 
156 
# The signal numbers.
157 
grep '^const _SIG[^_]' gen-sysinfo.go | \
158 
  grep -v '^const _SIGEV_' | \
159 
  sed -e 's/^\(const \)_\(SIG[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
160 
 
161 
# The syscall numbers.  We force the names to upper case.
162 
grep '^const _SYS_' gen-sysinfo.go | \
163 
  sed -e 's/const _\(SYS_[^= ]*\).*$/\1/' | \
164 
  while read sys; do
165 
    sup=`echo $sys | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
166 
    echo "const $sup = _$sys" >> ${OUT}
167 
  done
168 
 
169 
# Stat constants.
170 
grep '^const _S_' gen-sysinfo.go | \
171 
  sed -e 's/^\(const \)_\(S_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
172 
 
173 
# Mmap constants.
174 
grep '^const _PROT_' gen-sysinfo.go | \
175 
  sed -e 's/^\(const \)_\(PROT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
176 
grep '^const _MAP_' gen-sysinfo.go | \
177 
  sed -e 's/^\(const \)_\(MAP_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
178 
 
179 
# Process status constants.
180 
grep '^const _W' gen-sysinfo.go |
181 
  sed -e 's/^\(const \)_\(W[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
182 
# WSTOPPED was introduced in glibc 2.3.4.
183 
if ! grep '^const _WSTOPPED = ' gen-sysinfo.go >/dev/null 2>&1; then
184 
  if grep '^const _WUNTRACED = ' gen-sysinfo.go > /dev/null 2>&1; then
185 
    echo 'const WSTOPPED = _WUNTRACED' >> ${OUT}
186 
  else
187 
    echo 'const WSTOPPED = 2' >> ${OUT}
188 
  fi
189 
fi
190 
if grep '^const ___WALL = ' gen-sysinfo.go >/dev/null 2>&1 \
191 
   && ! grep '^const _WALL = ' gen-sysinfo.go >/dev/null 2>&1; then
192 
  echo 'const WALL = ___WALL' >> ${OUT}
193 
fi
194 
 
195 
# Networking constants.
196 
egrep '^const _(AF|SOCK|SOL|SO|IPPROTO|TCP|IP|IPV6)_' gen-sysinfo.go |
197 
  sed -e 's/^\(const \)_\([^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
198 
grep '^const _SOMAXCONN' gen-sysinfo.go |
199 
  sed -e 's/^\(const \)_\(SOMAXCONN[^= ]*\)\(.*\)$/\1\2 = _\2/' \
200 
    >> ${OUT}
201 
grep '^const _SHUT_' gen-sysinfo.go |
202 
  sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
203 
 
204 
# The net package requires some const definitions.
205 
for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS; do
206 
  if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
207 
    echo "const $m = 0" >> ${OUT}
208 
  fi
209 
done
210 
 
211 
# pathconf constants.
212 
grep '^const __PC' gen-sysinfo.go |
213 
  sed -e 's/^\(const \)__\(PC[^= ]*\)\(.*\)$/\1\2 = __\2/' >> ${OUT}
214 
 
215 
# epoll constants.
216 
grep '^const _EPOLL' gen-sysinfo.go |
217 
  sed -e 's/^\(const \)_\(EPOLL[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
218 
# Make sure EPOLLRDHUP and EPOLL_CLOEXEC are defined.
219 
if ! grep '^const EPOLLRDHUP' ${OUT} >/dev/null 2>&1; then
220 
  echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
221 
fi
222 
if ! grep '^const EPOLL_CLOEXEC' ${OUT} >/dev/null 2>&1; then
223 
  echo "const EPOLL_CLOEXEC = 02000000" >> ${OUT}
224 
fi
225 
 
226 
# Prctl constants.
227 
grep '^const _PR_' gen-sysinfo.go |
228 
  sed -e 's/^\(const \)_\(PR_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
229 
 
230 
# Ptrace constants.
231 
grep '^const _PTRACE' gen-sysinfo.go |
232 
  sed -e 's/^\(const \)_\(PTRACE[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
233 
# We need some ptrace options that are not defined in older versions
234 
# of glibc.
235 
if ! grep '^const PTRACE_SETOPTIONS' ${OUT} > /dev/null 2>&1; then
236 
  echo "const PTRACE_SETOPTIONS = 0x4200" >> ${OUT}
237 
fi
238 
if ! grep '^const PTRACE_O_TRACESYSGOOD' ${OUT} > /dev/null 2>&1; then
239 
  echo "const PTRACE_O_TRACESYSGOOD = 0x1" >> ${OUT}
240 
fi
241 
if ! grep '^const PTRACE_O_TRACEFORK' ${OUT} > /dev/null 2>&1; then
242 
  echo "const PTRACE_O_TRACEFORK = 0x2" >> ${OUT}
243 
fi
244 
if ! grep '^const PTRACE_O_TRACEVFORK' ${OUT} > /dev/null 2>&1; then
245 
  echo "const PTRACE_O_TRACEVFORK = 0x4" >> ${OUT}
246 
fi
247 
if ! grep '^const PTRACE_O_TRACECLONE' ${OUT} > /dev/null 2>&1; then
248 
  echo "const PTRACE_O_TRACECLONE = 0x8" >> ${OUT}
249 
fi
250 
if ! grep '^const PTRACE_O_TRACEEXEC' ${OUT} > /dev/null 2>&1; then
251 
  echo "const PTRACE_O_TRACEEXEC = 0x10" >> ${OUT}
252 
fi
253 
if ! grep '^const PTRACE_O_TRACEVFORKDONE' ${OUT} > /dev/null 2>&1; then
254 
  echo "const PTRACE_O_TRACEVFORKDONE = 0x20" >> ${OUT}
255 
fi
256 
if ! grep '^const PTRACE_O_TRACEEXIT' ${OUT} > /dev/null 2>&1; then
257 
  echo "const PTRACE_O_TRACEEXIT = 0x40" >> ${OUT}
258 
fi
259 
if ! grep '^const PTRACE_O_MASK' ${OUT} > /dev/null 2>&1; then
260 
  echo "const PTRACE_O_MASK = 0x7f" >> ${OUT}
261 
fi
262 
if ! grep '^const _PTRACE_GETEVENTMSG' ${OUT} > /dev/null 2>&1; then
263 
  echo "const PTRACE_GETEVENTMSG = 0x4201" >> ${OUT}
264 
fi
265 
if ! grep '^const PTRACE_EVENT_FORK' ${OUT} > /dev/null 2>&1; then
266 
  echo "const PTRACE_EVENT_FORK = 1" >> ${OUT}
267 
fi
268 
if ! grep '^const PTRACE_EVENT_VFORK' ${OUT} > /dev/null 2>&1; then
269 
  echo "const PTRACE_EVENT_VFORK = 2" >> ${OUT}
270 
fi
271 
if ! grep '^const PTRACE_EVENT_CLONE' ${OUT} > /dev/null 2>&1; then
272 
  echo "const PTRACE_EVENT_CLONE = 3" >> ${OUT}
273 
fi
274 
if ! grep '^const PTRACE_EVENT_EXEC' ${OUT} > /dev/null 2>&1; then
275 
  echo "const PTRACE_EVENT_EXEC = 4" >> ${OUT}
276 
fi
277 
if ! grep '^const PTRACE_EVENT_VFORK_DONE' ${OUT} > /dev/null 2>&1; then
278 
  echo "const PTRACE_EVENT_VFORK_DONE = 5" >> ${OUT}
279 
fi
280 
if ! grep '^const PTRACE_EVENT_EXIT' ${OUT} > /dev/null 2>&1; then
281 
  echo "const PTRACE_EVENT_EXIT = 6" >> ${OUT}
282 
fi
283 
if ! grep '^const _PTRACE_TRACEME' ${OUT} > /dev/null 2>&1; then
284 
  echo "const _PTRACE_TRACEME = 0" >> ${OUT}
285 
fi
286 
 
287 
# The registers returned by PTRACE_GETREGS.  This is probably
288 
# GNU/Linux specific; it should do no harm if there is no
289 
# _user_regs_struct.
290 
regs=`grep '^type _user_regs_struct struct' gen-sysinfo.go || true`
291 
if test "$regs" != ""; then
292 
  regs=`echo $regs | sed -e 's/type _user_regs_struct struct //' -e 's/[{}]//g'`
293 
  regs=`echo $regs | sed -e s'/^ *//'`
294 
  nregs=
295 
  while test -n "$regs"; do
296 
    field=`echo $regs | sed -e 's/^\([^;]*\);.*$/\1/'`
297 
    regs=`echo $regs | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
298 
    # Capitalize the first character of the field.
299 
    f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
300 
    r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
301 
    f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
302 
    field="$f$r"
303 
    nregs="$nregs $field;"
304 
  done
305 
  echo "type PtraceRegs struct {$nregs }" >> ${OUT}
306 
fi
307 
 
308 
# Some basic types.
309 
echo 'type Size_t _size_t' >> ${OUT}
310 
echo "type Ssize_t _ssize_t" >> ${OUT}
311 
if grep '^const _HAVE_OFF64_T = ' gen-sysinfo.go > /dev/null 2>&1; then
312 
  echo "type Offset_t _off64_t" >> ${OUT}
313 
else
314 
  echo "type Offset_t _off_t" >> ${OUT}
315 
fi
316 
echo "type Mode_t _mode_t" >> ${OUT}
317 
echo "type Pid_t _pid_t" >> ${OUT}
318 
echo "type Uid_t _uid_t" >> ${OUT}
319 
echo "type Gid_t _gid_t" >> ${OUT}
320 
echo "type Socklen_t _socklen_t" >> ${OUT}
321 
 
322 
# The long type, needed because that is the type that ptrace returns.
323 
sizeof_long=`grep '^const ___SIZEOF_LONG__ = ' gen-sysinfo.go | sed -e 's/.*= //'`
324 
if test "$sizeof_long" = "4"; then
325 
  echo "type _C_long int32" >> ${OUT}
326 
elif test "$sizeof_long" = "8"; then
327 
  echo "type _C_long int64" >> ${OUT}
328 
else
329 
  echo 1>&2 "mksysinfo.sh: could not determine size of long (got $sizeof_long)"
330 
  exit 1
331 
fi
332 
 
333 
# Solaris 2 needs _u?pad128_t, but its default definition in terms of long
334 
# double is commented by -fdump-go-spec.
335 
if grep "^// type _pad128_t" gen-sysinfo.go > /dev/null 2>&1; then
336 
  echo "type _pad128_t struct { _l [4]int32; }" >> ${OUT}
337 
fi
338 
if grep "^// type _upad128_t" gen-sysinfo.go > /dev/null 2>&1; then
339 
  echo "type _upad128_t struct { _l [4]uint32; }" >> ${OUT}
340 
fi
341 
 
342 
# The time structures need special handling: we need to name the
343 
# types, so that we can cast integers to the right types when
344 
# assigning to the structures.
345 
timeval=`grep '^type _timeval ' gen-sysinfo.go`
346 
timeval_sec=`echo $timeval | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
347 
timeval_usec=`echo $timeval | sed -n -e 's/^.*tv_usec \([^ ]*\);.*$/\1/p'`
348 
echo "type Timeval_sec_t $timeval_sec" >> ${OUT}
349 
echo "type Timeval_usec_t $timeval_usec" >> ${OUT}
350 
echo $timeval | \
351 
  sed -e 's/type _timeval /type Timeval /' \
352 
      -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timeval_sec_t/' \
353 
      -e 's/tv_usec *[a-zA-Z0-9_]*/Usec Timeval_usec_t/' >> ${OUT}
354 
timespec=`grep '^type _timespec ' gen-sysinfo.go || true`
355 
if test "$timespec" = ""; then
356 
  # IRIX 6.5 has __timespec instead.
357 
  timespec=`grep '^type ___timespec ' gen-sysinfo.go || true`
358 
fi
359 
timespec_sec=`echo $timespec | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
360 
timespec_nsec=`echo $timespec | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
361 
echo "type Timespec_sec_t $timespec_sec" >> ${OUT}
362 
echo "type Timespec_nsec_t $timespec_nsec" >> ${OUT}
363 
echo $timespec | \
364 
  sed -e 's/^type ___timespec /type Timespec /' \
365 
      -e 's/^type _timespec /type Timespec /' \
366 
      -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timespec_sec_t/' \
367 
      -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timespec_nsec_t/' >> ${OUT}
368 
 
369 
timestruc=`grep '^type _timestruc_t ' gen-sysinfo.go || true`
370 
if test "$timestruc" != ""; then
371 
  timestruc_sec=`echo $timestruc | sed -n -e 's/^.*tv_sec \([^ ]*\);.*$/\1/p'`
372 
  timestruc_nsec=`echo $timestruc | sed -n -e 's/^.*tv_nsec \([^ ]*\);.*$/\1/p'`
373 
  echo "type Timestruc_sec_t $timestruc_sec" >> ${OUT}
374 
  echo "type Timestruc_nsec_t $timestruc_nsec" >> ${OUT}
375 
  echo $timestruc | \
376 
    sed -e 's/^type _timestruc_t /type Timestruc /' \
377 
        -e 's/tv_sec *[a-zA-Z0-9_]*/Sec Timestruc_sec_t/' \
378 
        -e 's/tv_nsec *[a-zA-Z0-9_]*/Nsec Timestruc_nsec_t/' >> ${OUT}
379 
fi
380 
 
381 
# The tms struct.
382 
grep '^type _tms ' gen-sysinfo.go | \
383 
    sed -e 's/type _tms/type Tms/' \
384 
      -e 's/tms_utime/Utime/' \
385 
      -e 's/tms_stime/Stime/' \
386 
      -e 's/tms_cutime/Cutime/' \
387 
      -e 's/tms_cstime/Cstime/' \
388 
    >> ${OUT}
389 
 
390 
# The stat type.
391 
# Prefer largefile variant if available.
392 
stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
393 
if test "$stat" != ""; then
394 
  grep '^type _stat64 ' gen-sysinfo.go
395 
else
396 
  grep '^type _stat ' gen-sysinfo.go
397 
fi | sed -e 's/type _stat64/type Stat_t/' \
398 
         -e 's/type _stat/type Stat_t/' \
399 
         -e 's/st_dev/Dev/' \
400 
         -e 's/st_ino/Ino/g' \
401 
         -e 's/st_nlink/Nlink/' \
402 
         -e 's/st_mode/Mode/' \
403 
         -e 's/st_uid/Uid/' \
404 
         -e 's/st_gid/Gid/' \
405 
         -e 's/st_rdev/Rdev/' \
406 
         -e 's/st_size/Size/' \
407 
         -e 's/st_blksize/Blksize/' \
408 
         -e 's/st_blocks/Blocks/' \
409 
         -e 's/st_atim/Atime/' \
410 
         -e 's/st_mtim/Mtime/' \
411 
         -e 's/st_ctim/Ctime/' \
412 
         -e 's/\([^a-zA-Z0-9_]\)_timeval\([^a-zA-Z0-9_]\)/\1Timeval\2/g' \
413 
         -e 's/\([^a-zA-Z0-9_]\)_timespec_t\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
414 
         -e 's/\([^a-zA-Z0-9_]\)_timespec\([^a-zA-Z0-9_]\)/\1Timespec\2/g' \
415 
         -e 's/\([^a-zA-Z0-9_]\)_timestruc_t\([^a-zA-Z0-9_]\)/\1Timestruc\2/g' \
416 
         -e 's/Godump_[0-9] struct { \([^;]*;\) };/\1/g' \
417 
       >> ${OUT}
418 
 
419 
# The directory searching types.
420 
# Prefer largefile variant if available.
421 
dirent=`grep '^type _dirent64 ' gen-sysinfo.go || true`
422 
if test "$dirent" != ""; then
423 
  grep '^type _dirent64 ' gen-sysinfo.go
424 
else
425 
  grep '^type _dirent ' gen-sysinfo.go
426 
fi | sed -e 's/type _dirent64/type Dirent/' \
427 
         -e 's/type _dirent/type Dirent/' \
428 
         -e 's/d_name \[0+1\]/d_name [0+256]/' \
429 
         -e 's/d_name/Name/' \
430 
         -e 's/]int8/]byte/' \
431 
         -e 's/d_ino/Ino/' \
432 
         -e 's/d_off/Off/' \
433 
         -e 's/d_reclen/Reclen/' \
434 
         -e 's/d_type/Type/' \
435 
      >> ${OUT}
436 
echo "type DIR _DIR" >> ${OUT}
437 
 
438 
# The rusage struct.
439 
rusage=`grep '^type _rusage struct' gen-sysinfo.go`
440 
if test "$rusage" != ""; then
441 
  rusage=`echo $rusage | sed -e 's/type _rusage struct //' -e 's/[{}]//g'`
442 
  rusage=`echo $rusage | sed -e 's/^ *//'`
443 
  nrusage=
444 
  while test -n "$rusage"; do
445 
    field=`echo $rusage | sed -e 's/^\([^;]*\);.*$/\1/'`
446 
    rusage=`echo $rusage | sed -e 's/^[^;]*; *\(.*\)$/\1/'`
447 
    # Drop the leading ru_, capitalize the next character.
448 
    field=`echo $field | sed -e 's/^ru_//'`
449 
    f=`echo $field | sed -e 's/^\(.\).*$/\1/'`
450 
    r=`echo $field | sed -e 's/^.\(.*\)$/\1/'`
451 
    f=`echo $f | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
452 
    # Fix _timeval _timespec, and _timestruc_t.
453 
    r=`echo $r | sed -e s'/ _timeval$/ Timeval/'`
454 
    r=`echo $r | sed -e s'/ _timespec$/ Timespec/'`
455 
    r=`echo $r | sed -e s'/ _timestruc_t$/ Timestruc/'`
456 
    field="$f$r"
457 
    nrusage="$nrusage $field;"
458 
  done
459 
  echo "type Rusage struct {$nrusage }" >> ${OUT}
460 
else
461 
  echo "type Rusage struct {}" >> ${OUT}
462 
fi
463 
 
464 
# The RUSAGE constants.
465 
grep '^const _RUSAGE_' gen-sysinfo.go | \
466 
  sed -e 's/^\(const \)_\(RUSAGE_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
467 
 
468 
# The utsname struct.
469 
grep '^type _utsname ' gen-sysinfo.go | \
470 
    sed -e 's/_utsname/Utsname/' \
471 
      -e 's/sysname/Sysname/' \
472 
      -e 's/nodename/Nodename/' \
473 
      -e 's/release/Release/' \
474 
      -e 's/version/Version/' \
475 
      -e 's/machine/Machine/' \
476 
      -e 's/domainname/Domainname/' \
477 
    >> ${OUT}
478 
 
479 
# The iovec struct.
480 
iovec=`grep '^type _iovec ' gen-sysinfo.go`
481 
iovec_len=`echo $iovec | sed -n -e 's/^.*iov_len \([^ ]*\);.*$/\1/p'`
482 
echo "type Iovec_len_t $iovec_len" >> ${OUT}
483 
echo $iovec | \
484 
    sed -e 's/_iovec/Iovec/' \
485 
      -e 's/iov_base/Base/' \
486 
      -e 's/iov_len *[a-zA-Z0-9_]*/Len Iovec_len_t/' \
487 
    >> ${OUT}
488 
 
489 
# The msghdr struct.
490 
msghdr=`grep '^type _msghdr ' gen-sysinfo.go`
491 
msghdr_controllen=`echo $msghdr | sed -n -e 's/^.*msg_controllen \([^ ]*\);.*$/\1/p'`
492 
echo "type Msghdr_controllen_t $msghdr_controllen" >> ${OUT}
493 
echo $msghdr | \
494 
    sed -e 's/_msghdr/Msghdr/' \
495 
      -e 's/msg_name/Name/' \
496 
      -e 's/msg_namelen/Namelen/' \
497 
      -e 's/msg_iov/Iov/' \
498 
      -e 's/msg_iovlen/Iovlen/' \
499 
      -e 's/_iovec/Iovec/' \
500 
      -e 's/msg_control/Control/' \
501 
      -e 's/msg_controllen *[a-zA-Z0-9_]*/Controllen Msghdr_controllen_t/' \
502 
      -e 's/msg_flags/Flags/' \
503 
    >> ${OUT}
504 
 
505 
# The MSG_ flags for Msghdr.
506 
grep '^const _MSG_' gen-sysinfo.go | \
507 
  sed -e 's/^\(const \)_\(MSG_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
508 
 
509 
# The cmsghdr struct.
510 
cmsghdr=`grep '^type _cmsghdr ' gen-sysinfo.go`
511 
if test -n "$cmsghdr"; then
512 
  cmsghdr_len=`echo $cmsghdr | sed -n -e 's/^.*cmsg_len \([^ ]*\);.*$/\1/p'`
513 
  echo "type Cmsghdr_len_t $cmsghdr_len" >> ${OUT}
514 
  echo "$cmsghdr" | \
515 
      sed -e 's/_cmsghdr/Cmsghdr/' \
516 
        -e 's/cmsg_len *[a-zA-Z0-9_]*/Len Cmsghdr_len_t/' \
517 
        -e 's/cmsg_level/Level/' \
518 
        -e 's/cmsg_type/Type/' \
519 
        -e 's/\[\]/[0]/' \
520 
      >> ${OUT}
521 
 
522 
  # The size of the cmsghdr struct.
523 
  echo 'var SizeofCmsghdr = int(unsafe.Sizeof(Cmsghdr{}))' >> ${OUT}
524 
fi
525 
 
526 
# The SCM_ flags for Cmsghdr.
527 
grep '^const _SCM_' gen-sysinfo.go | \
528 
  sed -e 's/^\(const \)_\(SCM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
529 
 
530 
# The ucred struct.
531 
grep '^type _ucred ' gen-sysinfo.go | \
532 
    sed -e 's/_ucred/Ucred/' \
533 
      -e 's/pid/Pid/' \
534 
      -e 's/uid/Uid/' \
535 
      -e 's/gid/Gid/' \
536 
    >> ${OUT}
537 
 
538 
# The size of the ucred struct.
539 
if grep 'type Ucred ' ${OUT} >/dev/null 2>&1; then
540 
  echo 'var SizeofUcred = int(unsafe.Sizeof(Ucred{}))' >> ${OUT}
541 
fi
542 
 
543 
# The ip_mreq struct.
544 
grep '^type _ip_mreq ' gen-sysinfo.go | \
545 
    sed -e 's/_ip_mreq/IPMreq/' \
546 
      -e 's/imr_multiaddr/Multiaddr/' \
547 
      -e 's/imr_interface/Interface/' \
548 
      -e 's/_in_addr/[4]byte/g' \
549 
    >> ${OUT}
550 
 
551 
# We need IPMreq to compile the net package.
552 
if ! grep 'type IPMreq ' ${OUT} >/dev/null 2>&1; then
553 
  echo 'type IPMreq struct { Multiaddr [4]byte; Interface [4]byte; }' >> ${OUT}
554 
fi
555 
 
556 
# The size of the ip_mreq struct.
557 
echo 'var SizeofIPMreq = int(unsafe.Sizeof(IPMreq{}))' >> ${OUT}
558 
 
559 
# The ipv6_mreq struct.
560 
grep '^type _ipv6_mreq ' gen-sysinfo.go | \
561 
    sed -e 's/_ipv6_mreq/IPv6Mreq/' \
562 
      -e 's/ipv6mr_multiaddr/Multiaddr/' \
563 
      -e 's/ipv6mr_interface/Interface/' \
564 
      -e 's/_in6_addr/[16]byte/' \
565 
    >> ${OUT}
566 
 
567 
# We need IPv6Mreq to compile the net package.
568 
if ! grep 'type IPv6Mreq ' ${OUT} >/dev/null 2>&1; then
569 
  echo 'type IPv6Mreq struct { Multiaddr [16]byte; Interface uint32; }' >> ${OUT}
570 
fi
571 
 
572 
# The size of the ipv6_mreq struct.
573 
echo 'var SizeofIPv6Mreq = int(unsafe.Sizeof(IPv6Mreq{}))' >> ${OUT}
574 
 
575 
# The ip_mreqn struct.
576 
grep '^type _ip_mreqn ' gen-sysinfo.go | \
577 
    sed -e 's/_ip_mreqn/IPMreqn/' \
578 
      -e 's/imr_multiaddr/Multiaddr/' \
579 
      -e 's/imr_address/Address/' \
580 
      -e 's/imr_ifindex/Ifindex/' \
581 
      -e 's/_in_addr/[4]byte/g' \
582 
    >> ${OUT}
583 
 
584 
# We need IPMreq to compile the net package.
585 
if ! grep 'type IPMreqn ' ${OUT} >/dev/null 2>&1; then
586 
  echo 'type IPMreqn struct { Multiaddr [4]byte; Interface [4]byte; Ifindex int32 }' >> ${OUT}
587 
fi
588 
 
589 
# The size of the ip_mreqn struct.
590 
echo 'var SizeofIPMreqn = int(unsafe.Sizeof(IPMreqn{}))' >> ${OUT}
591 
 
592 
# Try to guess the type to use for fd_set.
593 
fd_set=`grep '^type _fd_set ' gen-sysinfo.go || true`
594 
fds_bits_type="_C_long"
595 
if test "$fd_set" != ""; then
596 
    fds_bits_type=`echo $fd_set | sed -e 's/.*[]]\([^;]*\); }$/\1/'`
597 
fi
598 
echo "type fds_bits_type $fds_bits_type" >> ${OUT}
599 
 
600 
# The addrinfo struct.
601 
grep '^type _addrinfo ' gen-sysinfo.go | \
602 
    sed -e 's/_addrinfo/Addrinfo/g' \
603 
      -e 's/ ai_/ Ai_/g' \
604 
    >> ${OUT}
605 
 
606 
# The addrinfo flags and errors.
607 
grep '^const _AI_' gen-sysinfo.go | \
608 
  sed -e 's/^\(const \)_\(AI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
609 
grep '^const _EAI_' gen-sysinfo.go | \
610 
  sed -e 's/^\(const \)_\(EAI_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
611 
 
612 
# The passwd struct.
613 
grep '^type _passwd ' gen-sysinfo.go | \
614 
    sed -e 's/_passwd/Passwd/' \
615 
      -e 's/ pw_/ Pw_/g' \
616 
    >> ${OUT}
617 
 
618 
# The ioctl flags for the controlling TTY.
619 
grep '^const _TIOC' gen-sysinfo.go | \
620 
    grep -v '_val =' | \
621 
    sed -e 's/^\(const \)_\(TIOC[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
622 
# We need TIOCGWINSZ.
623 
if ! grep '^const TIOCGWINSZ' ${OUT} >/dev/null 2>&1; then
624 
  if grep '^const _TIOCGWINSZ_val' ${OUT} >/dev/null 2>&1; then
625 
    echo 'const TIOCGWINSZ = _TIOCGWINSZ_val' >> ${OUT}
626 
  fi
627 
fi
628 
 
629 
# The ioctl flags for terminal control
630 
grep '^const _TC[GS]ET' gen-sysinfo.go | \
631 
    sed -e 's/^\(const \)_\(TC[GS]ET[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
632 
 
633 
# ioctl constants.  Might fall back to 0 if TIOCNXCL is missing, too, but
634 
# needs handling in syscalls.exec.go.
635 
if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
636 
  if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
637 
    echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
638 
  fi
639 
fi
640 
 
641 
# The nlmsghdr struct.
642 
grep '^type _nlmsghdr ' gen-sysinfo.go | \
643 
    sed -e 's/_nlmsghdr/NlMsghdr/' \
644 
      -e 's/nlmsg_len/Len/' \
645 
      -e 's/nlmsg_type/Type/' \
646 
      -e 's/nlmsg_flags/Flags/' \
647 
      -e 's/nlmsg_seq/Seq/' \
648 
      -e 's/nlmsg_pid/Pid/' \
649 
    >> ${OUT}
650 
 
651 
# The nlmsg flags and operators.
652 
grep '^const _NLM' gen-sysinfo.go | \
653 
    sed -e 's/^\(const \)_\(NLM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
654 
 
655 
# NLMSG_HDRLEN is defined as an expression using sizeof.
656 
if ! grep '^const NLMSG_HDRLEN' ${OUT} > /dev/null 2>&1; then
657 
  if grep '^type NlMsghdr ' ${OUT} > /dev/null 2>&1; then
658 
    echo 'var NLMSG_HDRLEN = int((unsafe.Sizeof(NlMsghdr{}) + (NLMSG_ALIGNTO-1)) &^ (NLMSG_ALIGNTO-1))' >> ${OUT}
659 
  fi
660 
fi
661 
 
662 
# The rtmsg struct.
663 
grep '^type _rtmsg ' gen-sysinfo.go | \
664 
    sed -e 's/_rtmsg/RtMsg/' \
665 
      -e 's/rtm_family/Family/' \
666 
      -e 's/rtm_dst_len/Dst_len/' \
667 
      -e 's/rtm_src_len/Src_len/' \
668 
      -e 's/rtm_tos/Tos/' \
669 
      -e 's/rtm_table/Table/' \
670 
      -e 's/rtm_protocol/Procotol/' \
671 
      -e 's/rtm_scope/Scope/' \
672 
      -e 's/rtm_type/Type/' \
673 
      -e 's/rtm_flags/Flags/' \
674 
    >> ${OUT}
675 
 
676 
# The size of the rtmsg struct.
677 
if grep 'type RtMsg ' ${OUT} > /dev/null 2>&1; then
678 
  echo 'var SizeofRtMsg = int(unsafe.Sizeof(RtMsg{}))' >> ${OUT}
679 
fi
680 
 
681 
# The rtgenmsg struct.
682 
grep '^type _rtgenmsg ' gen-sysinfo.go | \
683 
    sed -e 's/_rtgenmsg/RtGenmsg/' \
684 
      -e 's/rtgen_family/Family/' \
685 
    >> ${OUT}
686 
 
687 
# The routing message flags.
688 
grep '^const _RTA' gen-sysinfo.go | \
689 
    sed -e 's/^\(const \)_\(RTA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
690 
grep '^const _RTM' gen-sysinfo.go | \
691 
    sed -e 's/^\(const \)_\(RTM[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
692 
 
693 
# The size of the rtgenmsg struct.
694 
if grep 'type RtGenmsg ' ${OUT} > /dev/null 2>&1; then
695 
  echo 'var SizeofRtGenmsg = int(unsafe.Sizeof(RtGenmsg{}))' >> ${OUT}
696 
fi
697 
 
698 
# The ifinfomsg struct.
699 
grep '^type _ifinfomsg ' gen-sysinfo.go | \
700 
    sed -e 's/_ifinfomsg/IfInfomsg/' \
701 
      -e 's/ifi_family/Family/' \
702 
      -e 's/ifi_type/Type/' \
703 
      -e 's/ifi_index/Index/' \
704 
      -e 's/ifi_flags/Flags/' \
705 
      -e 's/ifi_change/Change/' \
706 
    >> ${OUT}
707 
 
708 
# The interface information types and flags.
709 
grep '^const _IFA' gen-sysinfo.go | \
710 
    sed -e 's/^\(const \)_\(IFA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
711 
grep '^const _IFLA' gen-sysinfo.go | \
712 
    sed -e 's/^\(const \)_\(IFLA[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
713 
grep '^const _IFF' gen-sysinfo.go | \
714 
    sed -e 's/^\(const \)_\(IFF[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
715 
 
716 
# The size of the ifinfomsg struct.
717 
if grep 'type IfInfomsg ' ${OUT} > /dev/null 2>&1; then
718 
  echo 'var SizeofIfInfomsg = int(unsafe.Sizeof(IfInfomsg{}))' >> ${OUT}
719 
fi
720 
 
721 
# The ifaddrmsg struct.
722 
grep '^type _ifaddrmsg ' gen-sysinfo.go | \
723 
    sed -e 's/_ifaddrmsg/IfAddrmsg/' \
724 
      -e 's/ifa_family/Family/' \
725 
      -e 's/ifa_prefixlen/Prefixlen/' \
726 
      -e 's/ifa_flags/Flags/' \
727 
      -e 's/ifa_scope/Scope/' \
728 
      -e 's/ifa_index/Index/' \
729 
    >> ${OUT}
730 
 
731 
# The size of the ifaddrmsg struct.
732 
if grep 'type IfAddrmsg ' ${OUT} > /dev/null 2>&1; then
733 
  echo 'var SizeofIfAddrmsg = int(unsafe.Sizeof(IfAddrmsg{}))' >> ${OUT}
734 
fi
735 
 
736 
# The rtattr struct.
737 
grep '^type _rtattr ' gen-sysinfo.go | \
738 
    sed -e 's/_rtattr/RtAttr/' \
739 
      -e 's/rta_len/Len/' \
740 
      -e 's/rta_type/Type/' \
741 
    >> ${OUT}
742 
 
743 
# The size of the rtattr struct.
744 
if grep 'type RtAttr ' ${OUT} > /dev/null 2>&1; then
745 
  echo 'var SizeofRtAttr = int(unsafe.Sizeof(RtAttr{}))' >> ${OUT}
746 
fi
747 
 
748 
# The termios struct.
749 
grep '^type _termios ' gen-sysinfo.go | \
750 
    sed -e 's/_termios/Termios/' \
751 
      -e 's/c_iflag/Iflag/' \
752 
      -e 's/c_oflag/Oflag/' \
753 
      -e 's/c_cflag/Cflag/' \
754 
      -e 's/c_lflag/Lflag/' \
755 
      -e 's/c_line/Line/' \
756 
      -e 's/c_cc/Cc/' \
757 
      -e 's/c_ispeed/Ispeed/' \
758 
      -e 's/c_ospeed/Ospeed/' \
759 
    >> ${OUT}
760 
 
761 
# The termios constants.
762 
for n in IGNBRK BRKINT IGNPAR PARMRK INPCK ISTRIP INLCR IGNCR ICRNL IUCLC \
763 
    IXON IXANY IXOFF IMAXBEL IUTF8 OPOST OLCUC ONLCR OCRNL ONOCR ONLRET \
764 
    OFILL OFDEL NLDLY NL0 NL1 CRDLY CR0 CR1 CR2 CR3 TABDLY BSDLY VTDLY \
765 
    FFDLY CBAUD CBAUDEX CSIZE CSTOPB CREAD PARENB PARODD HUPCL CLOCAL \
766 
    LOBLK CIBAUD CMSPAR CRTSCTS ISIG ICANON XCASE ECHO ECHOE ECHOK ECHONL \
767 
    ECHOCTL ECHOPRT ECHOKE DEFECHO FLUSHO NOFLSH TOSTOP PENDIN IEXTEN VINTR \
768 
    VQUIT VERASE VKILL VEOF VMIN VEOL VTIME VEOL2 VSWTCH VSTART VSTOP VSUSP \
769 
    VDSUSP VLNEXT VWERASE VREPRINT VDISCARD VSTATUS TCSANOW TCSADRAIN \
770 
    TCSAFLUSH TCIFLUSH TCOFLUSH TCIOFLUSH TCOOFF TCOON TCIOFF TCION B0 B50 \
771 
    B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 B9600 B19200 \
772 
    B38400 B57600 B115200 B230400; do
773 
 
774 
    grep "^const _$n " gen-sysinfo.go | \
775 
        sed -e 's/^\(const \)_\([^=]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
776 
done
777 
 
778 
# The mount flags
779 
grep '^const _MS_' gen-sysinfo.go |
780 
    sed -e 's/^\(const \)_\(MS_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
781 
 
782 
# The fallocate flags.
783 
grep '^const _FALLOC_' gen-sysinfo.go |
784 
    sed -e 's/^\(const \)_\(FALLOC_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
785 
 
786 
# The statfs struct.
787 
# Prefer largefile variant if available.
788 
statfs=`grep '^type _statfs64 ' gen-sysinfo.go || true`
789 
if test "$statfs" != ""; then
790 
  grep '^type _statfs64 ' gen-sysinfo.go
791 
else
792 
  grep '^type _statfs ' gen-sysinfo.go
793 
fi | sed -e 's/type _statfs64/type Statfs_t/' \
794 
         -e 's/type _statfs/type Statfs_t/' \
795 
         -e 's/f_type/Type/' \
796 
         -e 's/f_bsize/Bsize/' \
797 
         -e 's/f_blocks/Blocks/' \
798 
         -e 's/f_bfree/Bfree/' \
799 
         -e 's/f_bavail/Bavail/' \
800 
         -e 's/f_files/Files/' \
801 
         -e 's/f_ffree/Ffree/' \
802 
         -e 's/f_fsid/Fsid/' \
803 
         -e 's/f_namelen/Namelen/' \
804 
         -e 's/f_frsize/Frsize/' \
805 
         -e 's/f_flags/Flags/' \
806 
         -e 's/f_spare/Spare/' \
807 
    >> ${OUT}
808 
 
809 
exit $?

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