1#!/bin/sh - 2# $NetBSD: makelintstub,v 1.23 2008/08/05 02:08:13 lukem 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] [-s syscall.h] object ... 41 -n Create SYSCALL_NOERROR. 42 -p Create PSEUDO_NOERROR. 43 (also removes leading "_" on syscall name). 44 -o filename Output to filename. 45 -s syscall.h Header to #include instead of <sys/syscall.h>. 46 47 The CPP environment variable must be set 48 to the path to the C preprocessor. 49_EOF 50 exit 1 51} 52 53header() 54{ 55 56 cat <<- __EOF__ 57 /* 58 * THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT EDIT. 59 */ 60 61 #include <sys/param.h> 62 #include <sys/aio.h> 63 #include <sys/time.h> 64 #include <sys/mount.h> 65 #include <sys/stat.h> 66 #include <ufs/ufs/dinode.h> 67 #include <ufs/lfs/lfs.h> 68 #include <sys/resource.h> 69 #include <sys/poll.h> 70 #include <sys/uio.h> 71 #include <sys/ipc.h> 72 #include <sys/lwpctl.h> 73 #include <sys/mqueue.h> 74 #include <sys/msg.h> 75 #include <sys/sem.h> 76 #include <sys/shm.h> 77 #include <sys/sched.h> 78 #include <sys/timex.h> 79 #include <sys/socket.h> 80 #include <sys/event.h> 81 #include <sys/uuid.h> 82 #ifdef __STDC__ 83 #include <stdarg.h> 84 #else 85 #include <varargs.h> 86 #endif 87 88 __EOF__ 89} 90 91syscall_stub() 92{ 93 94 syscalldump="$1" 95 syscallname="$2" 96 funcname="$3" 97 98 arglist="$( 99 sed -e 'ta 100 :a 101 s,^/\* syscall: \"'"$syscallname"'\" ,, 102 tb 103 d 104 :b 105 s, \*/$,,' $syscalldump 106 )" 107 108 eval set -f -- "$arglist" 109 110 if [ $# -lt 3 ]; then 111 echo syscall $syscallname not found! 1>&2 112 exit 1 113 fi 114 115 shift # kill "ret:" 116 returntype=$1; shift 117 shift # kill "args:" 118 119 cat <<- __EOF__ 120 /*ARGSUSED*/ 121 $returntype 122 __EOF__ 123 124 # do ANSI C function header 125 echo "#ifdef __STDC__" 126 127 echo "$funcname(" 128 first=true; i=1 129 for arg; do 130 if $first; then 131 first=false 132 else 133 echo ", " 134 fi 135 case "$arg" in 136 "...") echo "...";; 137 *) echo "$arg arg$i"; i=$(($i + 1));; 138 esac 139 done 140 if $first; then 141 echo "void" 142 fi 143 echo ")" 144 145 # do K&R C function header 146 echo "#else" 147 148 echo "$funcname(" 149 first=true; i=1 150 for arg; do 151 if $first; then 152 first=false 153 else 154 echo ", " 155 fi 156 case "$arg" in 157 "...") echo "va_alist";; 158 *) echo "arg$i"; i=$(($i + 1));; 159 esac 160 done 161 echo ")" 162 i=1 163 for arg; do 164 case "$arg" in 165 "...") echo " va_dcl";; 166 *) echo " $arg arg$i;"; i=$(($i + 1));; 167 esac 168 done 169 170 # do function body 171 echo "#endif" 172 173 echo "{" 174 if [ "$returntype" != "void" ]; then 175 echo " return (($returntype)0);" 176 fi 177 echo "}" 178} 179 180trailer() 181{ 182 183 cat <<- __EOF__ 184 /* END */ 185 __EOF__ 186} 187 188 189pflag=false 190nflag=false 191oarg="" 192syscallhdr=/usr/include/sys/syscall.h 193syscalldump=/tmp/makelintstub.$$ 194PROG="$(basename "$0")" 195 196if [ -z "${CPP}" ]; then 197 usage 198fi 199 200while getopts no:ps: i 201do 202 case "$i" in 203 n) nflag=true;; 204 o) oarg=$OPTARG;; 205 p) pflag=true;; 206 s) syscallhdr=$OPTARG;; 207 *) usage;; 208 esac 209done 210 211shift $(expr $OPTIND - 1) 212 213if $pflag && $nflag 214then 215 echo "$PROG: -n flag and -p flag may not be used together" 1>&2 216 usage 217fi 218 219if [ -n "$oarg" ]; then 220 exec > $oarg 221fi 222 223trap "rm -f $syscalldump" 0 1 2 3 15 224 225header 226 227echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump 228 229for syscall; do 230 fnname=${syscall%.S} 231 if $pflag; then 232 scname=${fnname#_} 233 else 234 scname=$fnname 235 fi 236 syscall_stub $syscalldump $scname $fnname 237 echo "" 238done 239 240trailer 241 242exit 0 243