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-rwxr-xr-xscripts/extract-ikconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
index 72997c353cb..de233ff43c1 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -17,6 +17,10 @@ dump_config() {
return
fi
end=`$binoffset $file $IKCFG_ED 2>/dev/null`
+ [ "$?" != "0" ] && end="-1"
+ if [ "$end" -eq "-1" ]; then
+ return
+ fi
start=`expr $start + 8`
size=`expr $end - $start`
@@ -55,6 +59,8 @@ dump_config "$image"
GZHDR1="0x1f 0x8b 0x08 0x00"
GZHDR2="0x1f 0x8b 0x08 0x08"
+ELFHDR="0x7f 0x45 0x4c 0x46"
+
# vmlinux.gz: Check for a compressed images
off=`$binoffset "$image" $GZHDR1 2>/dev/null`
[ "$?" != "0" ] && off="-1"
@@ -69,6 +75,14 @@ elif [ "$off" -ne "-1" ]; then
(dd ibs="$off" skip=1 count=0 && dd bs=512k) <"$image" 2>/dev/null | \
zcat >"$TMPFILE"
dump_config "$TMPFILE"
+
+# check if this is simply an ELF file
+else
+ off=`$binoffset "$image" $ELFHDR 2>/dev/null`
+ [ "$?" != "0" ] && off="-1"
+ if [ "$off" -eq "0" ]; then
+ dump_config "$image"
+ fi
fi
echo "ERROR: Unable to extract kernel configuration information."