Contents of /trunk/mkinitrd-magellan/busybox/scripts/mkdiff_obj

#!/bin/sh

filter() {
	# sed removes " address: " prefixes which mess up diff
	sed $'s/^\\(\t*\\)[ ]*[0-9a-f][0-9a-f]*:[ \t]*/\\1/' \
	| sed 's/__GI_//g'
}

test -d "$1" || exit 1
test -d "$2" || exit 1

{
	(
		cd "$1" || exit 1
		find -name '*.o' -o -name '*.os' # -o -name '*.so'
	)
	(
		cd "$2" || exit 1
		find -name '*.o' -o -name '*.os' # -o -name '*.so'
	)
} | sed 's:^\./::' | sort | uniq | \
tee LST | \
(
IFS=''
while read -r oname; do
	if ! test -f "$1/$oname"; then
		echo "Only $2/$oname"
		continue
	fi
	if ! test -f "$2/$oname"; then
		echo "Only $1/$oname"
		continue
	fi
	diff -q -- "$1/$oname" "$2/$oname" >/dev/null && continue
	(cd "$1"; objdump -dr "$oname" | filter >"$oname.disasm")
	(cd "$2"; objdump -dr "$oname" | filter >"$oname.disasm")
	diff -u "$1/$oname.disasm" "$2/$oname.disasm"
done
)
1	#!/bin/sh
2
3	filter() {
4	# sed removes " address: " prefixes which mess up diff
5	sed $'s/^\\(\t\\)[ ][0-9a-f][0-9a-f]:[ \t]/\\1/' \
6	\| sed 's/__GI_//g'
7	}
8
9	test -d "$1" \|\| exit 1
10	test -d "$2" \|\| exit 1
11
12	{
13	(
14	cd "$1" \|\| exit 1
15	find -name '.o' -o -name '.os' # -o -name '*.so'
16	)
17	(
18	cd "$2" \|\| exit 1
19	find -name '.o' -o -name '.os' # -o -name '*.so'
20	)
21	} \| sed 's:^\./::' \| sort \| uniq \| \
22	tee LST \| \
23	(
24	IFS=''
25	while read -r oname; do
26	if ! test -f "$1/$oname"; then
27	echo "Only $2/$oname"
28	continue
29	fi
30	if ! test -f "$2/$oname"; then
31	echo "Only $1/$oname"
32	continue
33	fi
34	diff -q -- "$1/$oname" "$2/$oname" >/dev/null && continue
35	(cd "$1"; objdump -dr "$oname" \| filter >"$oname.disasm")
36	(cd "$2"; objdump -dr "$oname" \| filter >"$oname.disasm")
37	diff -u "$1/$oname.disasm" "$2/$oname.disasm"
38	done
39	)