iframe-proxy | Sunbelt Computer Software

executable file

104 lines (84 loc) · 2.15 KB

# 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
cleanup() {
	rm -f $T $T.s $T.o $T.oo $T.aa $T.dis
trap cleanup EXIT
T=`mktemp` || die "cannot create temp file"
while read i ; do
case "$i" in
if [ -z "$code" ]; then
code=`echo $code | sed -e 's/.*Code: //'`
width=`expr index "$code" ' '`
width=$((($width-1)/2))
case $width in
1) type=byte ;;
2) type=2byte ;;
4) type=4byte ;;
	${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1
	if [ "$ARCH" = "arm" ]; then
		if [ $width -eq 2 ]; then
			OBJDUMPFLAGS="-M force-thumb"
		${CROSS_COMPILE}strip $1.o
	${CROSS_COMPILE}objdump $OBJDUMPFLAGS -S $1.o | \
		grep -v "/tmp\|Disassembly\|\.text\|^$" > $1.dis 2>&1
marker=`expr index "$code" "\<"`
if [ $marker -eq 0 ]; then
	marker=`expr index "$code" "\("`
touch $T.oo
if [ $marker -ne 0 ]; then
	echo All code >> $T.oo
	echo ======== >> $T.oo
	beforemark=`echo "$code"`
	echo -n "	.$type 0x" > $T.s
	echo $beforemark | sed -e 's/ /,0x/g; s/[<>()]//g' >> $T.s
	cat $T.dis >> $T.oo
	rm -f $T.o $T.s $T.dis
# and fix code at-and-after marker
	code=`echo "$code" | cut -c$((${marker} + 1))-`
echo Code starting with the faulting instruction  > $T.aa
echo =========================================== >> $T.aa
code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g; s/[>)]$//'`
echo -n "	.$type 0x" > $T.s
echo $code >> $T.s
cat $T.dis >> $T.aa
# (lines of whole $T.oo) - (lines of $T.aa, i.e. "Code starting") + 3,
# i.e. the title + the "===..=" line (sed is counting from 1, 0 address is
faultlinenum=$(( $(wc -l $T.oo  | cut -d" " -f1) - \
		 $(wc -l $T.aa  | cut -d" " -f1) + 3))
faultline=`cat $T.dis | head -1 | cut -d":" -f2-`
faultline=`echo "$faultline" | sed -e 's/\[/\\\[/g; s/\]/\\\]/g'`
cat $T.oo | sed -e "${faultlinenum}s/^\(.*:\)\(.*\)/\1\*\2\t\t<-- trapping instruction/"

Sunbelt Computer Software

PL/B Language Development and Support

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

FilesExpand file tree

decodecode

Latest commit

History

decodecode

File metadata and controls