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-rwxr-xr-xscripts/strip-kmod.sh38
1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/strip-kmod.sh b/scripts/strip-kmod.sh
new file mode 100755
index 0000000..68da9e9
--- /dev/null
+++ b/scripts/strip-kmod.sh
@@ -0,0 +1,38 @@
+#!/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: $0 <module>"
+ exit 1
+}
+
+${CROSS}objcopy \
+ --strip-unneeded \
+ -R .comment \
+ -R .pdr \
+ -R .mdebug.abi32 \
+ -R .note.gnu.build-id \
+ -R .gnu.attributes \
+ -R .reginfo \
+ -G __this_module \
+ -x "$MODULE" "$MODULE.tmp"
+
+${CROSS}nm "$MODULE.tmp" | awk '
+BEGIN {
+ n = 0
+}
+
+$3 && $2 ~ /[brtd]/ && $3 !~ /\$LC/ {
+ print "--redefine-sym "$3"=_"n;
+ n = n + 1
+}
+' > "$MODULE.tmp1"
+
+${CROSS}objcopy `cat ${MODULE}.tmp1` ${MODULE}.tmp ${MODULE}.out
+mv "${MODULE}.out" "${MODULE}"
+rm -f "${MODULE}".t*