1#!/bin/sh 2# $NetBSD: checksize.sh,v 1.1 1999/11/27 06:55:04 simonb Exp $ 3# 4# Copyright (c) 1999 Christopher G. Demetriou. All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 3. All advertising materials mentioning features or use of this software 15# must display the following acknowledgement: 16# This product includes software developed by Christopher G. Demetriou 17# for the NetBSD Project. 18# 4. The name of the author may not be used to endorse or promote products 19# derived from this software without specific prior written permission 20# 21# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32# four arguments: 33# boot object with headers, to check bss size 34# boot file (just text+data), to check load and total sizes 35# maximum load size 36# maximum total (load + bss) size 37 38progname=$0 39if [ $# != 3 ] || [ ! -f $1 ]; then 40 echo "usage: $progname bootfile maxload maxtotal" 1>&2 41 exit 1 42fi 43 44bootfile=$1 45maxloadsize=$2 46maxtotalsize=$3 47 48if [ "$SIZE" = "" ]; then 49 SIZE=size 50fi 51 52size_data=`$SIZE $bootfile` 53if [ $? != 0 ]; then 54 echo "$progname: couldn't get size of $bootfile" 2>&1 55 exit 1 56fi 57bss_size=`echo "$size_data" | awk ' NR == 2 { print $3 } '` 58 59load_size=`echo "$size_data" | awk ' NR == 2 { print $1 + $2 } '` 60 61echo -n "checking sizes for $bootfile... " 62 63if expr $load_size \> $maxloadsize >/dev/null 2>&1; then 64 echo "MAXIMUM LOAD SIZE EXCEEDED ($load_size > $maxloadsize)" 65 exit 1 66fi 67 68if expr $load_size + $bss_size \> $maxtotalsize >/dev/null 2>&1; then 69 echo "MAXIMUM TOTAL SIZE EXCEEDED ($load_size + $bss_size > $maxtotalsize)" 70 exit 1 71fi 72 73echo "OK - `expr $maxloadsize - $load_size` bytes free" 74exit 0 75