sys/arch/alpha/stand/common/checksize.sh

   1 #!/bin/sh
   2 # $NetBSD$
   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
  38 progname=$0
  39 if [ $# != 4 ] || [ ! -f $1 ] || [ ! -f $2 ]; then
  40         echo "$progname bootobj bootfile maxload maxtotal" 1>&2
  41         exit 1
  42 fi
  43
  44 bootobj=$1
  45 bootfile=$2
  46 maxloadsize=$3
  47 maxtotalsize=$4
  48
  49 if [ "$SIZE" = "" ]; then
  50         SIZE=size
  51 fi
  52
  53 size_data=`$SIZE $bootobj`
  54 if [ $? != 0 ]; then
  55         echo "$progname: couldn't get size of $bootobj" 2>&1
  56         exit 1
  57 fi
  58 bss_size=`echo "$size_data" | awk ' NR == 2 { print $3 } '`
  59
  60 load_size=`ls -l $bootfile | awk ' { print $5 }'`
  61
  62 echo -n "checking sizes for $bootfile/$bootobj... "
  63
  64 if expr $load_size \> $maxloadsize >/dev/null 2>&1; then
  65         echo "MAXIMUM LOAD SIZE EXCEEDED ($load_size > $maxloadsize)"
  66         exit 1
  67 fi
  68
  69 if expr $load_size + $bss_size \> $maxtotalsize >/dev/null 2>&1; then
  70         echo "MAXIMUM TOTAL SIZE EXCEEDED ($load_size + $bss_size > $maxtotalsize)"
  71         exit 1
  72 fi
  73
  74 echo "OK"
  75 exit 0