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- #!/bin/sh
- # Disassemble the Code: line in Linux oopses
- # usage: decodecode < oops.file
- #
- # options: set env. variable AFLAGS=options to pass options to "as";
- # e.g., to decode an i386 oops on an x86_64 system, use:
- # AFLAGS=--32 decodecode < 386.oops
- T=`mktemp`
- code=
- while read i ; do
- case "$i" in
- *Code:*)
- code=$i
- ;;
- esac
- done
- if [ -z "$code" ]; then
- exit
- fi
- echo $code
- code=`echo $code | sed -e 's/.*Code: //'`
- marker=`expr index "$code" "\<"`
- if [ $marker -eq 0 ]; then
- marker=`expr index "$code" "\("`
- fi
- if [ $marker -ne 0 ]; then
- beforemark=`echo "$code" | cut -c-$((${marker} - 1))`
- echo -n " .byte 0x" > $T.s
- echo $beforemark | sed -e 's/ /,0x/g' >> $T.s
- as $AFLAGS -o $T.o $T.s
- objdump -S $T.o
- rm $T.o $T.s
- # and fix code at-and-after marker
- code=`echo "$code" | cut -c$((${marker} + 1))-`
- fi
- code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g'`
- echo -n " .byte 0x" > $T.s
- echo $code >> $T.s
- as $AFLAGS -o $T.o $T.s
- objdump -S $T.o
- rm $T.o $T.s
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