1#!/bin/sh - 2# $NetBSD: makelintstub,v 1.26 2016/04/03 00:48:29 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] [-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 * It is generated by $PROG 60 */ 61 62 #include <sys/param.h> 63 #include <sys/aio.h> 64 #include <sys/time.h> 65 #include <sys/mount.h> 66 #include <sys/stat.h> 67 #include <ufs/ufs/dinode.h> 68 #include <ufs/lfs/lfs.h> 69 #include <sys/resource.h> 70 #include <sys/poll.h> 71 #include <sys/uio.h> 72 #include <sys/ipc.h> 73 #include <sys/idtype.h> 74 #include <sys/lwpctl.h> 75 #include <sys/mqueue.h> 76 #include <sys/msg.h> 77 #include <sys/sem.h> 78 #include <sys/shm.h> 79 #include <sys/spawn.h> 80 #include <sys/sched.h> 81 #include <sys/timex.h> 82 #include <sys/socket.h> 83 #include <sys/event.h> 84 #include <sys/uuid.h> 85 #include <sys/quotactl.h> 86 #ifdef __STDC__ 87 #include <stdarg.h> 88 #else 89 #include <varargs.h> 90 #endif 91 92 __EOF__ 93} 94 95syscall_stub() 96{ 97 98 syscalldump="$1" 99 syscallname="$2" 100 funcname="$3" 101 102 arglist="$( 103 sed -e 'ta 104 :a 105 s,^/\* syscall: \"'"$syscallname"'\" ,, 106 tb 107 d 108 :b 109 s, \*/$,,' $syscalldump 110 )" 111 112 eval set -f -- "$arglist" 113 114 if [ $# -lt 3 ]; then 115 echo syscall $syscallname not found! 1>&2 116 exit 1 117 fi 118 119 shift # kill "ret:" 120 returntype=$1; shift 121 shift # kill "args:" 122 123 cat <<- __EOF__ 124 /*ARGSUSED*/ 125 $returntype 126 __EOF__ 127 128 # do ANSI C function header 129 echo "#ifdef __STDC__" 130 131 echo "$funcname(" 132 first=true; i=1 133 for arg; do 134 if $first; then 135 first=false 136 else 137 echo ", " 138 fi 139 case "$arg" in 140 "...") echo "...";; 141 *) echo "$arg arg$i"; i=$(($i + 1));; 142 esac 143 done 144 if $first; then 145 echo "void" 146 fi 147 echo ")" 148 149 # do K&R C function header 150 echo "#else" 151 152 echo "$funcname(" 153 first=true; i=1 154 for arg; do 155 if $first; then 156 first=false 157 else 158 echo ", " 159 fi 160 case "$arg" in 161 "...") echo "va_alist";; 162 *) echo "arg$i"; i=$(($i + 1));; 163 esac 164 done 165 echo ")" 166 i=1 167 for arg; do 168 case "$arg" in 169 "...") echo " va_dcl";; 170 *) echo " $arg arg$i;"; i=$(($i + 1));; 171 esac 172 done 173 174 # do function body 175 echo "#endif" 176 177 echo "{" 178 if [ "$returntype" != "void" ]; then 179 echo " return (($returntype)0);" 180 fi 181 echo "}" 182} 183 184trailer() 185{ 186 187 cat <<- __EOF__ 188 /* END */ 189 __EOF__ 190} 191 192 193pflag=false 194nflag=false 195oarg="" 196syscallhdr=/usr/include/sys/syscall.h 197syscalldump=/tmp/makelintstub.$$ 198PROG="$(basename "$0")" 199 200if [ -z "${CPP}" ]; then 201 usage 202fi 203 204while getopts no:ps: i 205do 206 case "$i" in 207 n) nflag=true;; 208 o) oarg=$OPTARG;; 209 p) pflag=true;; 210 s) syscallhdr=$OPTARG;; 211 *) usage;; 212 esac 213done 214 215shift $(expr $OPTIND - 1) 216 217if $pflag && $nflag 218then 219 echo "$PROG: -n flag and -p flag may not be used together" 1>&2 220 usage 221fi 222 223if [ -n "$oarg" ]; then 224 exec > $oarg 225fi 226 227trap "rm -f $syscalldump" 0 1 2 3 15 228 229header 230 231echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump 232 233for syscall; do 234 fnname=${syscall%.S} 235 if $pflag; then 236 scname=${fnname#_} 237 else 238 scname=$fnname 239 fi 240 syscall_stub $syscalldump $scname $fnname 241 echo "" 242done 243 244trailer 245 246exit 0 247