1#!/bin/sh - 2# $NetBSD: makelintstub,v 1.13 2003/01/18 11:33:07 thorpej 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 36usage() 37{ 38 39 echo "usage: $0 [-n|-p] [-o filename] object ..." 40 echo " The CPP environment variable must be set" 41 echo " to the path to the C preprocessor." 42 exit 1 43} 44 45header() 46{ 47 48 cat <<- __EOF__ 49 /* 50 * THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT EDIT. 51 */ 52 53 #include <sys/param.h> 54 #include <sys/time.h> 55 #include <sys/mount.h> 56 #include <sys/stat.h> 57 #include <sys/sa.h> 58 #include <ufs/ufs/dinode.h> 59 #include <ufs/lfs/lfs.h> 60 #include <sys/resource.h> 61 #include <sys/poll.h> 62 #include <sys/uio.h> 63 #include <sys/ipc.h> 64 #include <sys/msg.h> 65 #include <sys/sem.h> 66 #include <sys/shm.h> 67 #include <sys/timex.h> 68 #include <sys/socket.h> 69 #include <sys/event.h> 70 #ifdef __STDC__ 71 #include <stdarg.h> 72 #else 73 #include <varargs.h> 74 #endif 75 76 __EOF__ 77} 78 79syscall_stub() 80{ 81 82 syscalldump="$1" 83 syscallname="$2" 84 funcname="$3" 85 86 arglist="` 87 sed -e 'ta 88 :a 89 s,^/\* syscall: \"'"$syscallname"'\" ,, 90 tb 91 d 92 :b 93 s, \*/$,,' $syscalldump 94 `" 95 96 eval set -f -- "$arglist" 97 98 if [ $# -lt 3 ]; then 99 echo syscall $syscallname not found! 1>&2 100 exit 1 101 fi 102 103 shift # kill "ret:" 104 returntype=$1; shift 105 shift # kill "args:" 106 107 cat <<- __EOF__ 108 /*ARGSUSED*/ 109 $returntype 110 __EOF__ 111 112 # do ANSI C function header 113 echo "#ifdef __STDC__" 114 115 echo "$funcname(" 116 first=yes; i=1 117 for arg; do 118 if [ $first = yes ]; then 119 first=no 120 else 121 echo ", " 122 fi 123 case "$arg" in 124 "...") echo "...";; 125 *) echo "$arg arg$i"; i=$(($i + 1));; 126 esac 127 done 128 if [ $first = yes ]; then 129 echo "void" 130 fi 131 echo ")" 132 133 # do K&R C function header 134 echo "#else" 135 136 echo "$funcname(" 137 first=yes; i=1 138 for arg; do 139 if [ $first = yes ]; then 140 first=no 141 else 142 echo ", " 143 fi 144 case "$arg" in 145 "...") echo "va_alist";; 146 *) echo "arg$i"; i=$(($i + 1));; 147 esac 148 done 149 echo ")" 150 i=1 151 for arg; do 152 case "$arg" in 153 "...") echo " va_dcl";; 154 *) echo " $arg arg$i;"; i=$(($i + 1));; 155 esac 156 done 157 158 # do function body 159 echo "#endif" 160 161 echo "{" 162 if [ "$returntype" != "void" ]; then 163 echo " return (($returntype)0);" 164 fi 165 echo "}" 166} 167 168trailer() 169{ 170 171 cat <<- __EOF__ 172 /* END */ 173 __EOF__ 174} 175 176set -- `getopt no:ps: $*` 177 178pflag=NO 179nflag=NO 180oarg="" 181syscallhdr=/usr/include/sys/syscall.h 182syscalldump=/tmp/makelintstub.$$ 183 184if test "x${CPP}" = "x"; then 185 usage 186fi 187 188if test $? -ne 0; then 189 usage 190fi 191for i; do 192 case "$i" in 193 -n) nflag=YES; shift;; 194 -o) oarg=$2; shift; shift;; 195 -p) pflag=YES; shift;; 196 -s) syscallhdr=$2; shift; shift;; 197 --) shift; break;; 198 esac 199done 200 201if [ $pflag = YES ] && [ $nflag = YES ]; then 202 echo "$0: -n flag and -p flag may not be used together" 203 echo "" 204 usage 205fi 206 207if [ "X$oarg" != "X" ]; then 208 exec > $oarg 209fi 210 211trap "rm -f $syscalldump" 0 1 2 15 212 213header 214echo "#include \"$syscallhdr\"" | ${CPP} -C >$syscalldump 215for syscall; do 216 fnname=${syscall%.S} 217 if [ $pflag = YES ]; then 218 scname=${fnname#_} 219 else 220 scname=$fnname 221 fi 222 syscall_stub $syscalldump $scname $fnname 223 echo "" 224done 225trailer 226 227exit 0 228