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makelintstub revision 1.8 
      1 #!/bin/sh -
      2 # $NetBSD: makelintstub,v 1.8 2001/11/13 18:39:10 tv Exp $
      3 #
      4 # Copyright (c) 1996, 1997 Christopher G. Demetriou
      5 # All rights reserved.
      6 # 
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 # 1. Redistributions of source code must retain the above copyright
     11 #    notice, this list of conditions and the following disclaimer.
     12 # 2. Redistributions in binary form must reproduce the above copyright
     13 #    notice, this list of conditions and the following disclaimer in the
     14 #    documentation and/or other materials provided with the distribution.
     15 # 3. All advertising materials mentioning features or use of this software
     16 #    must display the following acknowledgement:
     17 #          This product includes software developed for the
     18 #          NetBSD Project.  See http://www.netbsd.org/ for
     19 #          information about NetBSD.
     20 # 4. The name of the author may not be used to endorse or promote products
     21 #    derived from this software without specific prior written permission.
     22 # 
     23 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33 # 
     34 # <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
     35 
     36 usage()
     37 {
     38 
     39 	echo "usage: $0 [-n|-p] [-o filename] object ..."
     40 	exit 1
     41 }
     42 
     43 header()
     44 {
     45 
     46 	cat <<- __EOF__
     47 	/*
     48 	 * THIS IS AN AUTOMATICALLY GENERATED FILE.  DO NOT EDIT.
     49 	 */
     50 
     51 	#include <sys/param.h>
     52 	#include <sys/time.h>
     53 	#include <sys/mount.h>
     54 	#include <sys/stat.h>
     55 	#include <ufs/ufs/dinode.h>
     56 	#include <ufs/lfs/lfs.h>
     57 	#include <sys/resource.h>
     58 	#include <sys/poll.h>
     59 	#include <sys/uio.h>
     60 	#include <sys/ipc.h>
     61 	#include <sys/msg.h>
     62 	#include <sys/sem.h>
     63 	#include <sys/shm.h>
     64 	#include <sys/timex.h>
     65 	#include <sys/socket.h>
     66 	#ifdef __STDC__
     67 	#include <stdarg.h>
     68 	#else
     69 	#include <varargs.h>
     70 	#endif
     71 
     72 	__EOF__
     73 }
     74 
     75 syscall_stub()
     76 {
     77 
     78 	syscalldump="$1"
     79 	syscallname="$2"
     80 	funcname="$3"
     81 
     82     	arglist="`
     83     	sed -e 'ta
     84 		:a
     85 		s,^/\* syscall: "'"$syscallname"'" ,,
     86 	        tb
     87 		d
     88 		:b
     89 		s, \*/$,,' $syscalldump
     90 	`"
     91 
     92 	eval set -f -- "$arglist"
     93 
     94 	if [ $# -lt 3 ]; then
     95 		echo syscall $syscallname not found! 1>&2
     96 		exit 1
     97 	fi
     98 
     99 	shift			# kill "ret:"
    100 	returntype=$1; shift
    101 	shift			# kill "args:"
    102 
    103 	cat <<- __EOF__
    104 	/*ARGSUSED*/
    105 	$returntype
    106 	__EOF__
    107 
    108 	# do ANSI C function header
    109 	echo	"#ifdef __STDC__"
    110 
    111 	echo -n	"$funcname("
    112 	first=yes; i=1
    113 	for arg; do
    114 		if [ $first = yes ]; then
    115 			first=no
    116 		else
    117 			echo -n	", "
    118 		fi
    119 		case "$arg" in
    120 		"...") echo -n "...";;
    121 		*) echo -n "$arg arg$i"; i=$(($i + 1));;
    122 		esac
    123 	done
    124 	echo	")"
    125 
    126 	# do K&R C function header
    127 	echo	"#else"
    128 
    129 	echo -n	"$funcname("
    130 	first=yes; i=1
    131 	for arg; do
    132 		if [ $first = yes ]; then
    133 			first=no
    134 		else
    135 			echo -n	", "
    136 		fi
    137 		case "$arg" in
    138 		"...") echo -n "va_alist";;
    139 		*) echo -n "arg$i"; i=$(($i + 1));;
    140 		esac
    141 	done
    142 	echo	")"
    143 	i=1
    144 	for arg; do
    145 		case "$arg" in
    146 		"...") echo "	va_dcl";;
    147 		*) echo "	$arg arg$i;"; i=$(($i + 1));;
    148 		esac
    149 	done
    150 
    151 	# do function body
    152 	echo	"#endif"
    153 
    154 	echo	"{"
    155 	if [ "$returntype" != "void" ]; then
    156 		echo "        return (($returntype)0);"
    157 	fi
    158 	echo	"}"
    159 }
    160 
    161 trailer()
    162 {
    163 
    164 	cat <<- __EOF__
    165 	/* END */
    166 	__EOF__
    167 }
    168 
    169 set -- `getopt no:ps: $*`
    170 
    171 pflag=NO
    172 nflag=NO
    173 oarg=""
    174 syscallhdr=/usr/include/sys/syscall.h
    175 syscalldump=/tmp/makelintstub.$$
    176 
    177 if test $? -ne 0; then
    178 	usage
    179 fi
    180 for i; do
    181 	case "$i" in
    182 	-n)	nflag=YES; shift;;
    183 	-o)	oarg=$2; shift; shift;;
    184 	-p)	pflag=YES; shift;;
    185 	-s)	syscallhdr=$2; shift; shift;;
    186 	--)	shift; break;;
    187 	esac
    188 done
    189 
    190 if [ $pflag = YES ] && [ $nflag = YES ]; then
    191 	echo "$0: -n flag and -p flag may not be used together"
    192 	echo ""
    193 	usage
    194 fi
    195 
    196 if [ "X$oarg" != "X" ]; then
    197 	exec > $oarg
    198 fi
    199 
    200 trap "rm -f $syscalldump" 0 1 2 15
    201 
    202 header
    203 printf '#include "'"$syscallhdr"'"' | cpp -C >$syscalldump
    204 for syscall; do
    205 	fnname=${syscall%.S}
    206 	if [ $pflag = YES ]; then
    207 		scname=${fnname#_}
    208 	else
    209 		scname=$fnname
    210 	fi
    211 	syscall_stub $syscalldump $scname $fnname
    212 	echo ""
    213 done
    214 trailer
    215 
    216 exit 0
    217