1 files changed, 42 insertions, 14 deletions
diff --git a/scripts/decodecode b/scripts/decodecode
index 4b00647814b..d8824f37acc 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -7,7 +7,7 @@
 # AFLAGS=--32 decodecode < 386.oops
 
 cleanup() {
-	rm -f $T $T.s $T.o $T.oo $T.aa  $T.aaa
+	rm -f $T $T.s $T.o $T.oo $T.aa $T.dis
 	exit 1
 }
 
@@ -39,6 +39,29 @@ fi
 echo $code
 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 ;;
+esac
+
+disas() {
+	${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"
+		fi
+
+		${CROSS_COMPILE}strip $1.o
+	fi
+
+	${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" "\("`
@@ -49,28 +72,33 @@ if [ $marker -ne 0 ]; then
 	echo All code >> $T.oo
 	echo ======== >> $T.oo
 	beforemark=`echo "$code"`
-	echo -n "	.byte 0x" > $T.s
-	echo $beforemark | sed -e 's/ /,0x/g' | sed -e 's/<//g' | sed -e 's/>//g' >> $T.s
-	as $AFLAGS -o $T.o $T.s &> /dev/null
-	objdump -S $T.o | grep -v "/tmp" | grep -v "Disassembly" | grep -v "\.text" | grep -v "^$" &> $T.ooo
-	cat $T.ooo >> $T.oo
-	rm -f $T.o $T.s  $T.ooo
+	echo -n "	.$type 0x" > $T.s
+	echo $beforemark | sed -e 's/ /,0x/g; s/[<>()]//g' >> $T.s
+	disas $T
+	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))-`
 fi
 echo Code starting with the faulting instruction  > $T.aa
 echo =========================================== >> $T.aa
-code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g'`
-echo -n "	.byte 0x" > $T.s
+code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g; s/[>)]$//'`
+echo -n "	.$type 0x" > $T.s
 echo $code >> $T.s
-as $AFLAGS -o $T.o $T.s &> /dev/null
-objdump -S $T.o | grep -v "Disassembly" | grep -v "/tmp" | grep -v "\.text" | grep -v "^$" &> $T.aaa
-cat $T.aaa >> $T.aa
+disas $T
+cat $T.dis >> $T.aa
+
+# (lines of whole $T.oo) - (lines of $T.aa, i.e. "Code starting") + 3,
+# i.e. the title + the "===..=" line (sed is counting from 1, 0 address is
+# special)
+faultlinenum=$(( $(wc -l $T.oo  | cut -d" " -f1) - \
+		 $(wc -l $T.aa  | cut -d" " -f1) + 3))
 
-faultline=`cat $T.aaa | head -1 | cut -d":" -f2`
+faultline=`cat $T.dis | head -1 | cut -d":" -f2-`
+faultline=`echo "$faultline" | sed -e 's/\[/\\\[/g; s/\]/\\\]/g'`
 
-cat $T.oo | sed -e "s/\($faultline\)/\*\1     <-- trapping instruction/g"
+cat $T.oo | sed -e "${faultlinenum}s/^\(.*:\)\(.*\)/\1\*\2\t\t<-- trapping instruction/"
 echo
 cat $T.aa
 cleanup