1#!/bin/sh - 2# $NetBSD: makelintstub,v 1.27 2020/05/16 18:31:47 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/acl.h> 64 #include <sys/aio.h> 65 #include <sys/time.h> 66 #include <sys/mount.h> 67 #include <sys/stat.h> 68 #include <ufs/ufs/dinode.h> 69 #include <ufs/lfs/lfs.h> 70 #include <sys/resource.h> 71 #include <sys/poll.h> 72 #include <sys/uio.h> 73 #include <sys/ipc.h> 74 #include <sys/idtype.h> 75 #include <sys/lwpctl.h> 76 #include <sys/mqueue.h> 77 #include <sys/msg.h> 78 #include <sys/sem.h> 79 #include <sys/shm.h> 80 #include <sys/spawn.h> 81 #include <sys/sched.h> 82 #include <sys/timex.h> 83 #include <sys/socket.h> 84 #include <sys/event.h> 85 #include <sys/uuid.h> 86 #include <sys/quotactl.h> 87 #ifdef __STDC__ 88 #include <stdarg.h> 89 #else 90 #include <varargs.h> 91 #endif 92 93 __EOF__ 94} 95 96syscall_stub() 97{ 98 99 syscalldump="$1" 100 syscallname="$2" 101 funcname="$3" 102 103 arglist="$( 104 sed -e 'ta 105 :a 106 s,^/\* syscall: \"'"$syscallname"'\" ,, 107 tb 108 d 109 :b 110 s, \*/$,,' $syscalldump 111 )" 112 113 eval set -f -- "$arglist" 114 115 if [ $# -lt 3 ]; then 116 echo syscall $syscallname not found! 1>&2 117 exit 1 118 fi 119 120 shift # kill "ret:" 121 returntype=$1; shift 122 shift # kill "args:" 123 124 cat <<- __EOF__ 125 /*ARGSUSED*/ 126 $returntype 127 __EOF__ 128 129 # do ANSI C function header 130 echo "#ifdef __STDC__" 131 132 echo "$funcname(" 133 first=true; i=1 134 for arg; do 135 if $first; then 136 first=false 137 else 138 echo ", " 139 fi 140 case "$arg" in 141 "...") echo "...";; 142 *) echo "$arg arg$i"; i=$(($i + 1));; 143 esac 144 done 145 if $first; then 146 echo "void" 147 fi 148 echo ")" 149 150 # do K&R C function header 151 echo "#else" 152 153 echo "$funcname(" 154 first=true; i=1 155 for arg; do 156 if $first; then 157 first=false 158 else 159 echo ", " 160 fi 161 case "$arg" in 162 "...") echo "va_alist";; 163 *) echo "arg$i"; i=$(($i + 1));; 164 esac 165 done 166 echo ")" 167 i=1 168 for arg; do 169 case "$arg" in 170 "...") echo " va_dcl";; 171 *) echo " $arg arg$i;"; i=$(($i + 1));; 172 esac 173 done 174 175 # do function body 176 echo "#endif" 177 178 echo "{" 179 if [ "$returntype" != "void" ]; then 180 echo " return (($returntype)0);" 181 fi 182 echo "}" 183} 184 185trailer() 186{ 187 188 cat <<- __EOF__ 189 /* END */ 190 __EOF__ 191} 192 193 194pflag=false 195nflag=false 196oarg="" 197syscallhdr=/usr/include/sys/syscall.h 198syscalldump=/tmp/makelintstub.$$ 199PROG="$(basename "$0")" 200 201if [ -z "${CPP}" ]; then 202 usage 203fi 204 205while getopts no:ps: i 206do 207 case "$i" in 208 n) nflag=true;; 209 o) oarg=$OPTARG;; 210 p) pflag=true;; 211 s) syscallhdr=$OPTARG;; 212 *) usage;; 213 esac 214done 215 216shift $(expr $OPTIND - 1) 217 218if $pflag && $nflag 219then 220 echo "$PROG: -n flag and -p flag may not be used together" 1>&2 221 usage 222fi 223 224if [ -n "$oarg" ]; then 225 exec > $oarg 226fi 227 228trap "rm -f $syscalldump" 0 1 2 3 15 229 230header 231 232echo "#include \"$syscallhdr\"" | ${CPP} -D_LIBC -C > $syscalldump 233 234for syscall; do 235 fnname=${syscall%.S} 236 if $pflag; then 237 scname=${fnname#_} 238 else 239 scname=$fnname 240 fi 241 syscall_stub $syscalldump $scname $fnname 242 echo "" 243done 244 245trailer 246 247exit 0 248