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

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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: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Masahiro Yamada 2014-06-09 11:16:40 +09:00 committed by Michal Marek
parent 8ac28bee76
commit 7fa0e6db3c
1 changed files with 22 additions and 11 deletions
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33
scripts/objdiff
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@ -36,7 +36,7 @@ TMPD=$SRCTREE/.tmp_objdiff
usage() { usage() {
echo >&2 "Usage: $0 <command> <args>" 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 " diff <commitA> <commitB>"
echo >&2 " clean all | <commit>" echo >&2 " clean all | <commit>"
exit 1 exit 1
@ -54,6 +54,18 @@ get_output_dir() {
echo $TMPD/$CMT${dir#$SRCTREE} 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() { dorecord() {
[ $# -eq 0 ] && usage [ $# -eq 0 ] && usage
@ -63,16 +75,15 @@ dorecord() {
OBJDUMP="${CROSS_COMPILE}objdump" OBJDUMP="${CROSS_COMPILE}objdump"
for f in $FILES; do for d in $FILES; do
dir=$(get_output_dir $f) if [ -d "$d" ]; then
base=${f##*/} for f in $(find $d -name '*.o')
dis=$dir/${base%.o}.dis do
do_objdump $f
[ ! -d "$dir" ] && mkdir -p $dir done
else
# remove addresses for a cleaner diff do_objdump $d
# http://dummdida.tumblr.com/post/60924060451/binary-diff-between-libc-from-scientificlinux-and fi
$OBJDUMP -D $f | sed "s/^[[:space:]]\+[0-9a-f]\+//" > $dis
done done
} }