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|
#!/bin/sh -
# $NetBSD: makelintstub,v 1.25 2012/02/12 01:46:05 martin Exp $
#
# Copyright (c) 1996, 1997 Christopher G. Demetriou
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed for the
# NetBSD Project. See http://www.NetBSD.org/ for
# information about NetBSD.
# 4. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
usage()
{
cat << _EOF 1>&2
Usage: $PROG [-n|-p] [-o filename] [-s syscall.h] object ...
-n Create SYSCALL_NOERROR.
-p Create PSEUDO_NOERROR.
(also removes leading "_" on syscall name).
-o filename Output to filename.
-s syscall.h Header to #include instead of <sys/syscall.h>.
The CPP environment variable must be set
to the path to the C preprocessor.
_EOF
exit 1
}
header()
{
cat <<- __EOF__
/*
* THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT EDIT.
*/
#include <sys/param.h>
#include <sys/aio.h>
#include <sys/time.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <ufs/ufs/dinode.h>
#include <ufs/lfs/lfs.h>
#include <sys/resource.h>
#include <sys/poll.h>
#include <sys/uio.h>
#include <sys/ipc.h>
#include <sys/lwpctl.h>
#include <sys/mqueue.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/spawn.h>
#include <sys/sched.h>
#include <sys/timex.h>
#include <sys/socket.h>
#include <sys/event.h>
#include <sys/uuid.h>
#include <sys/quotactl.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
__EOF__
}
syscall_stub()
{
syscalldump="$1"
syscallname="$2"
funcname="$3"
arglist="$(
sed -e 'ta
:a
s,^/\* syscall: \"'"$syscallname"'\" ,,
tb
d
:b
s, \*/$,,' $syscalldump
)"
eval set -f -- "$arglist"
if [ $# -lt 3 ]; then
echo syscall $syscallname not found! 1>&2
exit 1
fi
shift # kill "ret:"
returntype=$1; shift
shift # kill "args:"
cat <<- __EOF__
/*ARGSUSED*/
$returntype
__EOF__
# do ANSI C function header
echo "#ifdef __STDC__"
echo "$funcname("
first=true; i=1
for arg; do
if $first; then
first=false
else
echo ", "
fi
case "$arg" in
"...") echo "...";;
*) echo "$arg arg$i"; i=$(($i + 1));;
esac
done
if $first; then
echo "void"
fi
echo ")"
# do K&R C function header
echo "#else"
echo "$funcname("
first=true; i=1
for arg; do
if $first; then
first=false
else
echo ", "
fi
case "$arg" in
"...") echo "va_alist";;
*) echo "arg$i"; i=$(($i + 1));;
esac
done
echo ")"
i=1
for arg; do
case "$arg" in
"...") echo " va_dcl";;
*) echo " $arg arg$i;"; i=$(($i + 1));;
esac
done
# do function body
echo "#endif"
echo "{"
if [ "$returntype" != "void" ]; then
echo " return (($returntype)0);"
fi
echo "}"
}
trailer()
{
cat <<- __EOF__
/* END */
__EOF__
}
pflag=false
nflag=false
oarg=""
syscallhdr=/usr/include/sys/syscall.h
syscalldump=/tmp/makelintstub.$$
PROG="$(basename "$0")"
if [ -z "${CPP}" ]; then
usage
fi
while getopts no:ps: i
do
case "$i" in
n) nflag=true;;
o) oarg=$OPTARG;;
p) pflag=true;;
s) syscallhdr=$OPTARG;;
*) usage;;
esac
done
shift $(expr $OPTIND - 1)
if $pflag && $nflag
then
echo "$PROG: -n flag and -p flag may not be used together" 1>&2
usage
fi
if [ -n "$oarg" ]; then
exec > $oarg
fi
trap "rm -f $syscalldump" 0 1 2 3 15
header
echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump
for syscall; do
fnname=${syscall%.S}
if $pflag; then
scname=${fnname#_}
else
scname=$fnname
fi
syscall_stub $syscalldump $scname $fnname
echo ""
done
trailer
exit 0
|
