diff --git a/ChangeLog b/ChangeLog
index bc8be73..5115896 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,10 @@
 # Distributed under the GPL v2
 # $Id$
 
+  06 Feb 2012: Richard Yao <ryao@cs.stonybrook.edu> gen_initramfs.sh:
+  copy_binaries utility function for putting binaries and librares into
+  initramfs (see git commit for full details).
+
   06 Feb 2012; Robin H. Johnson <robbat2@gentoo.org> defaults/initrd.scripts:
   Support virtio devices, and provide fallback of all remaining devices.
 
diff --git a/gen_initramfs.sh b/gen_initramfs.sh
index 32a1b1e..b96e36e 100755
--- a/gen_initramfs.sh
+++ b/gen_initramfs.sh
@@ -3,6 +3,15 @@
 
 CPIO_ARGS="--quiet -o -H newc"
 
+copy_binaries() {
+
+	local destdir=$1 files=$2
+
+	# Copy files
+	lddtree $files | tr ')(' '\n' |awk  '/=>/{ if($3 ~ /^\//){print $3}}' | sort | uniq | cpio -p --make-directories --dereference --quiet $destdir
+
+}
+
 append_base_layout() {
 	if [ -d "${TEMP}/initramfs-base-temp" ]
 	then