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Commit 7fa0e6db authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Michal Marek
Browse files

scripts: objdiff: support directories for the augument of record command 



For example,

  $ scripts/objdiff record init drivers/usb

disassembles all the objects under init and drivers/usb directories.

This feature would be useful when we change various files under the
specific directory.

Signed-off-by: default avatarMasahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: default avatarJason Cooper <jason@lakedaemon.net>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 8ac28bee

scripts/objdiff

+22 −11
Original line number Diff line number Diff line
@@ -36,7 +36,7 @@ TMPD=$SRCTREE/.tmp_objdiff 


usage() {

	echo >&2 "Usage: $0 <command> <args>"

	echo >&2 "  record    <list of object files>"

	echo >&2 "  record    <list of object files or directories>"

	echo >&2 "  diff      <commitA> <commitB>"

	echo >&2 "  clean     all | <commit>"

	exit 1
@@ -54,6 +54,18 @@ get_output_dir() { 
	echo $TMPD/$CMT${dir#$SRCTREE}

}



do_objdump() {

	dir=$(get_output_dir $1)

	base=${1##*/}

	dis=$dir/${base%.o}.dis



	[ ! -d "$dir" ] && mkdir -p $dir



	# remove addresses for a cleaner diff

	# http://dummdida.tumblr.com/post/60924060451/binary-diff-between-libc-from-scientificlinux-and

	$OBJDUMP -D $1 | sed "s/^[[:space:]]\+[0-9a-f]\+//" > $dis

}



dorecord() {

	[ $# -eq 0 ] && usage
@@ -63,16 +75,15 @@ dorecord() { 


	OBJDUMP="${CROSS_COMPILE}objdump"



	for f in $FILES; do

		dir=$(get_output_dir $f)

		base=${f##*/}

		dis=$dir/${base%.o}.dis



		[ ! -d "$dir" ] && mkdir -p $dir



		# remove addresses for a cleaner diff

		# http://dummdida.tumblr.com/post/60924060451/binary-diff-between-libc-from-scientificlinux-and

		$OBJDUMP -D $f | sed "s/^[[:space:]]\+[0-9a-f]\+//" > $dis

	for d in $FILES; do

		if [ -d "$d" ]; then

			for f in $(find $d -name '*.o')

			do

				do_objdump $f

			done

		else

			do_objdump $d

		fi

	done

}