1#!/bin/sh - 2# $NetBSD: makelintstub,v 1.19 2007/10/09 18:18:33 rmind 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 39cat << _EOF 1>&2 40Usage: $PROG [-n|-p] [-o filename] object ... 41 The CPP environment variable must be set 42 to the path to the C preprocessor. 43_EOF 44 exit 1 45} 46 47header() 48{ 49 50 cat <<- __EOF__ 51 /* 52 * THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT EDIT. 53 */ 54 55 #include <sys/param.h> 56 #include <sys/aio.h> 57 #include <sys/time.h> 58 #include <sys/mount.h> 59 #include <sys/stat.h> 60 #include <ufs/ufs/dinode.h> 61 #include <ufs/lfs/lfs.h> 62 #include <sys/resource.h> 63 #include <sys/poll.h> 64 #include <sys/uio.h> 65 #include <sys/ipc.h> 66 #include <sys/mqueue.h> 67 #include <sys/msg.h> 68 #include <sys/sem.h> 69 #include <sys/shm.h> 70 #include <sys/timex.h> 71 #include <sys/socket.h> 72 #include <sys/event.h> 73 #include <sys/uuid.h> 74 #ifdef __STDC__ 75 #include <stdarg.h> 76 #else 77 #include <varargs.h> 78 #endif 79 80 __EOF__ 81} 82 83syscall_stub() 84{ 85 86 syscalldump="$1" 87 syscallname="$2" 88 funcname="$3" 89 90 arglist="$( 91 sed -e 'ta 92 :a 93 s,^/\* syscall: \"'"$syscallname"'\" ,, 94 tb 95 d 96 :b 97 s, \*/$,,' $syscalldump 98 )" 99 100 eval set -f -- "$arglist" 101 102 if [ $# -lt 3 ]; then 103 echo syscall $syscallname not found! 1>&2 104 exit 1 105 fi 106 107 shift # kill "ret:" 108 returntype=$1; shift 109 shift # kill "args:" 110 111 cat <<- __EOF__ 112 /*ARGSUSED*/ 113 $returntype 114 __EOF__ 115 116 # do ANSI C function header 117 echo "#ifdef __STDC__" 118 119 echo "$funcname(" 120 first=true; i=1 121 for arg; do 122 if $first; then 123 first=false 124 else 125 echo ", " 126 fi 127 case "$arg" in 128 "...") echo "...";; 129 *) echo "$arg arg$i"; i=$(($i + 1));; 130 esac 131 done 132 if $first; then 133 echo "void" 134 fi 135 echo ")" 136 137 # do K&R C function header 138 echo "#else" 139 140 echo "$funcname(" 141 first=true; i=1 142 for arg; do 143 if $first; then 144 first=false 145 else 146 echo ", " 147 fi 148 case "$arg" in 149 "...") echo "va_alist";; 150 *) echo "arg$i"; i=$(($i + 1));; 151 esac 152 done 153 echo ")" 154 i=1 155 for arg; do 156 case "$arg" in 157 "...") echo " va_dcl";; 158 *) echo " $arg arg$i;"; i=$(($i + 1));; 159 esac 160 done 161 162 # do function body 163 echo "#endif" 164 165 echo "{" 166 if [ "$returntype" != "void" ]; then 167 echo " return (($returntype)0);" 168 fi 169 echo "}" 170} 171 172trailer() 173{ 174 175 cat <<- __EOF__ 176 /* END */ 177 __EOF__ 178} 179 180 181pflag=false 182nflag=false 183oarg="" 184syscallhdr=/usr/include/sys/syscall.h 185syscalldump=/tmp/makelintstub.$$ 186PROG="$(basename "$0")" 187 188if [ -z "${CPP}" ]; then 189 usage 190fi 191 192while getopts no:ps: i 193do 194 case "$i" in 195 n) nflag=true;; 196 o) oarg=$OPTARG;; 197 p) pflag=true;; 198 s) syscallhdr=$OPTARG;; 199 *) usage;; 200 esac 201done 202 203shift $(expr $OPTIND - 1) 204 205if $pflag && $nflag 206then 207 echo "$PROG: -n flag and -p flag may not be used together" 1>&2 208 usage 209fi 210 211if [ -n "$oarg" ]; then 212 exec > $oarg 213fi 214 215trap "rm -f $syscalldump" 0 1 2 3 15 216 217header 218 219echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump 220 221for syscall; do 222 fnname=${syscall%.S} 223 if $pflag; then 224 scname=${fnname#_} 225 else 226 scname=$fnname 227 fi 228 syscall_stub $syscalldump $scname $fnname 229 echo "" 230done 231 232trailer 233 234exit 0 235