From: Steven Rostedt <srostedt@xxxxxxxxxx> It would be nice to use extract-ikconfig to find the congfig.gz in either vmlinux (not vmlinuz) or configs.ko. This patch changes the script to also be able to read ELF files directly. [ Impact: find config.gz in vmlinux and configs.ko ] Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> --- scripts/extract-ikconfig | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig index 42d6bce..de233ff 100755 --- a/scripts/extract-ikconfig +++ b/scripts/extract-ikconfig @@ -59,6 +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" @@ -73,6 +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." -- 1.6.2.1 -- -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
