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-rwxr-xr-xscripts/mkdiff_obj39
1 files changed, 39 insertions, 0 deletions
diff --git a/scripts/mkdiff_obj b/scripts/mkdiff_obj
new file mode 100755
index 0000000..a6ec5e6
--- /dev/null
+++ b/scripts/mkdiff_obj
@@ -0,0 +1,39 @@
+#!/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
+)