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.
Showing the changes to scripts/objdiff (1 of 1 file). Show all
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| @@ -36,7 +36,7 @@ TMPD=$SRCTREE/.tmp_objdiff · 35 unmodified lines | |||
| 36 | 36 | ||
| 37 | usage() { | 37 | usage() { |
| 38 | echo >&2 "Usage: $0 <command> <args>" | 38 | echo >&2 "Usage: $0 <command> <args>" |
| 39 | echo >&2 " record <list of object files>" | 39 | echo >&2 " record <list of object files or directories>" |
| 40 | echo >&2 " diff <commitA> <commitB>" | 40 | echo >&2 " diff <commitA> <commitB>" |
| 41 | echo >&2 " clean all | <commit>" | 41 | echo >&2 " clean all | <commit>" |
| 42 | exit 1 | 42 | exit 1 |
| @@ -54,6 +54,18 @@ get_output_dir() { · 11 unmodified lines | |||
| 54 | echo $TMPD/$CMT${dir#$SRCTREE} | 54 | echo $TMPD/$CMT${dir#$SRCTREE} |
| 55 | } | 55 | } |
| 56 | 56 | ||
| 57 | do_objdump() { | ||
| 58 | dir=$(get_output_dir $1) | ||
| 59 | base=${1##*/} | ||
| 60 | dis=$dir/${base%.o}.dis | ||
| 61 | |||
| 62 | [ ! -d "$dir" ] && mkdir -p $dir | ||
| 63 | |||
| 64 | # remove addresses for a cleaner diff | ||
| 65 | # http://dummdida.tumblr.com/post/60924060451/binary-diff-between-libc-from-scientificlinux-and | ||
| 66 | $OBJDUMP -D $1 | sed "s/^[[:space:]]\+[0-9a-f]\+//" > $dis | ||
| 67 | } | ||
| 68 | |||
| 57 | dorecord() { | 69 | dorecord() { |
| 58 | [ $# -eq 0 ] && usage | 70 | [ $# -eq 0 ] && usage |
| 59 | 71 | ||
| @@ -63,16 +75,15 @@ dorecord() { · 3 unmodified lines | |||
| 63 | 75 | ||
| 64 | OBJDUMP="${CROSS_COMPILE}objdump" | 76 | OBJDUMP="${CROSS_COMPILE}objdump" |
| 65 | 77 | ||
| 66 | for f in $FILES; do | 78 | for d in $FILES; do |
| 67 | dir=$(get_output_dir $f) | 79 | if [ -d "$d" ]; then |
| 68 | base=${f##*/} | 80 | for f in $(find $d -name '*.o') |
| 69 | dis=$dir/${base%.o}.dis | 81 | do |
| 70 | 82 | do_objdump $f | |
| 71 | [ ! -d "$dir" ] && mkdir -p $dir | 83 | done |
| 72 | 84 | else | |
| 73 | # remove addresses for a cleaner diff | 85 | do_objdump $d |
| 74 | # http://dummdida.tumblr.com/post/60924060451/binary-diff-between-libc-from-scientificlinux-and | 86 | fi |
| 75 | $OBJDUMP -D $f | sed "s/^[[:space:]]\+[0-9a-f]\+//" > $dis | ||
| 76 | done | 87 | done |
| 77 | } | 88 | } |
| 78 | 89 | ||