fishHEADmaster

1 files changed, 50 insertions, 0 deletions

diff --git a/scripts/strip-kmod.sh b/scripts/strip-kmod.sh
new file mode 100755
index 0000000..13e6b58
--- /dev/null
+++ b/scripts/strip-kmod.sh
@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+[ -n "$CROSS" ] || {
+	echo "The variable CROSS must be set to point to the cross-compiler prefix"
+	exit 1
+}
+
+MODULE="$1"
+
+[ "$#" -ne 1 ] && {
+	echo "Usage: $0 <module>"
+	exit 1
+}
+
+ARGS=
+if [ -n "$KEEP_SYMBOLS" ]; then
+	ARGS="-X --strip-debug"
+else
+	ARGS="-x -G __this_module --strip-unneeded"
+fi
+
+${CROSS}objcopy \
+	-R .comment \
+	-R .pdr \
+	-R .mdebug.abi32 \
+	-R .note.gnu.build-id \
+	-R .gnu.attributes \
+	-R .reginfo \
+	$ARGS \
+	"$MODULE" "$MODULE.tmp"
+
+[ -n "$NO_RENAME" ] && {
+	mv "${MODULE}.tmp" "$MODULE"
+	exit 0
+}
+
+${CROSS}nm "$MODULE.tmp" | awk '
+BEGIN {
+	n = 0
+}
+
+$3 && $2 ~ /[brtd]/ && $3 !~ /\$LC/ && !def[$3] {
+	print "--redefine-sym "$3"=_"n;
+	n = n + 1
+	def[$3] = 1
+}
+' > "$MODULE.tmp1"
+
+${CROSS}objcopy `cat ${MODULE}.tmp1` ${MODULE}.tmp ${MODULE}.out
+mv "${MODULE}.out" "${MODULE}"
+rm -f "${MODULE}".t*