72 lines
1.2 KiB
Bash
72 lines
1.2 KiB
Bash
#!/bin/sh
|
|
|
|
# Look at /usr/pkg/bin first in case there is an old nm in /usr/bin
|
|
PATH=/usr/pkg/bin:$PATH:/usr/gnu/bin
|
|
|
|
# Check usage
|
|
if [ $# -lt 1 ]
|
|
then echo "Usage: unstack <executable> [0x... [0x... ] ]"
|
|
echo " datasizes <executable>"
|
|
exit 1
|
|
fi
|
|
|
|
# Check invocation mode
|
|
case "`basename $0`" in
|
|
datasizes)
|
|
mode=data
|
|
;;
|
|
unstack)
|
|
mode=stack
|
|
;;
|
|
*)
|
|
echo "Invoked as $0?"
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
# Get executable name
|
|
executable=$1
|
|
shift
|
|
|
|
# gnu nm can be gnm or nm
|
|
if which gnm >/dev/null 2>&1
|
|
then GNM=gnm
|
|
else GNM=nm
|
|
fi
|
|
|
|
# Invoke gnu nm or ack nm?
|
|
if file $executable | grep NSYM >/dev/null 2>&1
|
|
then NM="$GNM --radix=d"
|
|
else NM="acknm -d"
|
|
fi
|
|
|
|
# Invoked as unstack?
|
|
if [ $mode = stack ]
|
|
then
|
|
while [ $# -gt 0 ]
|
|
do dec="`printf %d $1`"
|
|
$NM -n $executable | grep ' [Tt] [^.]' | awk '
|
|
{ if($1 > '$dec') { printf "%s+0x%x\n", name, '$dec'-offset; exit }
|
|
name=$3; offset=$1
|
|
}'
|
|
shift
|
|
done
|
|
|
|
exit 0
|
|
fi
|
|
|
|
# Invoked as datasizes?
|
|
if [ $mode = data ]
|
|
then
|
|
$NM -n $executable |
|
|
grep ' [bBdD] [^.]' | awk '{ if (lastpos) printf "%10ld kB %s\n", ($1-lastpos)/1024, lastname; lastpos=$1; lastname=$3 }' | sort -n
|
|
|
|
exit 0
|
|
fi
|
|
|
|
# Can't happen.
|
|
echo "Impossible invocation."
|
|
|
|
exit 1
|
|
|