1#!/bin/sh - 2# $NetBSD: makelintstub,v 1.17 2006/06/18 14:28:12 christos 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/time.h> 57 #include <sys/mount.h> 58 #include <sys/stat.h> 59 #include <sys/sa.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/msg.h> 67 #include <sys/sem.h> 68 #include <sys/shm.h> 69 #include <sys/timex.h> 70 #include <sys/socket.h> 71 #include <sys/event.h> 72 #include <sys/uuid.h> 73 #ifdef __STDC__ 74 #include <stdarg.h> 75 #else 76 #include <varargs.h> 77 #endif 78 79 __EOF__ 80} 81 82syscall_stub() 83{ 84 85 syscalldump="$1" 86 syscallname="$2" 87 funcname="$3" 88 89 arglist="$( 90 sed -e 'ta 91 :a 92 s,^/\* syscall: \"'"$syscallname"'\" ,, 93 tb 94 d 95 :b 96 s, \*/$,,' $syscalldump 97 )" 98 99 eval set -f -- "$arglist" 100 101 if [ $# -lt 3 ]; then 102 echo syscall $syscallname not found! 1>&2 103 exit 1 104 fi 105 106 shift # kill "ret:" 107 returntype=$1; shift 108 shift # kill "args:" 109 110 cat <<- __EOF__ 111 /*ARGSUSED*/ 112 $returntype 113 __EOF__ 114 115 # do ANSI C function header 116 echo "#ifdef __STDC__" 117 118 echo "$funcname(" 119 first=true; i=1 120 for arg; do 121 if $first; then 122 first=false 123 else 124 echo ", " 125 fi 126 case "$arg" in 127 "...") echo "...";; 128 *) echo "$arg arg$i"; i=$(($i + 1));; 129 esac 130 done 131 if $first; then 132 echo "void" 133 fi 134 echo ")" 135 136 # do K&R C function header 137 echo "#else" 138 139 echo "$funcname(" 140 first=true; i=1 141 for arg; do 142 if $first; then 143 first=false 144 else 145 echo ", " 146 fi 147 case "$arg" in 148 "...") echo "va_alist";; 149 *) echo "arg$i"; i=$(($i + 1));; 150 esac 151 done 152 echo ")" 153 i=1 154 for arg; do 155 case "$arg" in 156 "...") echo " va_dcl";; 157 *) echo " $arg arg$i;"; i=$(($i + 1));; 158 esac 159 done 160 161 # do function body 162 echo "#endif" 163 164 echo "{" 165 if [ "$returntype" != "void" ]; then 166 echo " return (($returntype)0);" 167 fi 168 echo "}" 169} 170 171trailer() 172{ 173 174 cat <<- __EOF__ 175 /* END */ 176 __EOF__ 177} 178 179 180pflag=false 181nflag=false 182oarg="" 183syscallhdr=/usr/include/sys/syscall.h 184syscalldump=/tmp/makelintstub.$$ 185PROG="$(basename "$0")" 186 187if [ -z "${CPP}" ]; then 188 usage 189fi 190 191while getopts no:ps: i 192do 193 case "$i" in 194 n) nflag=true;; 195 o) oarg=$OPTARG;; 196 p) pflag=true;; 197 s) syscallhdr=$OPTARG;; 198 *) usage;; 199 esac 200done 201 202shift $(expr $OPTIND - 1) 203 204if $pflag && $nflag 205then 206 echo "$PROG: -n flag and -p flag may not be used together" 1>&2 207 usage 208fi 209 210if [ -n "$oarg" ]; then 211 exec > $oarg 212fi 213 214trap "rm -f $syscalldump" 0 1 2 3 15 215 216header 217 218echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump 219 220for syscall; do 221 fnname=${syscall%.S} 222 if $pflag; then 223 scname=${fnname#_} 224 else 225 scname=$fnname 226 fi 227 syscall_stub $syscalldump $scname $fnname 228 echo "" 229done 230 231trailer 232 233exit 0 234