diff --git a/libc/malloc_debug/DebugData.cpp b/libc/malloc_debug/DebugData.cpp
new file mode 100644
index 0000000..bf2a0f5
--- /dev/null
+++ b/libc/malloc_debug/DebugData.cpp
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+
+#include "BacktraceData.h"
+#include "Config.h"
+#include "DebugData.h"
+#include "debug_disable.h"
+#include "FreeTrackData.h"
+#include "GuardData.h"
+#include "malloc_debug.h"
+#include "TrackData.h"
+
+bool DebugData::Initialize() {
+  if (!config_.SetFromProperties()) {
+    return false;
+  }
+
+  // Check to see if the options that require a header are enabled.
+  if ((config_.options & ~(NO_HEADER_OPTIONS)) != 0) {
+    need_header_ = true;
+
+    // Initialize all of the static header offsets.
+    pointer_offset_ = BIONIC_ALIGN(sizeof(Header), sizeof(uintptr_t));
+
+    if (config_.options & BACKTRACE) {
+      backtrace.reset(new BacktraceData(config_, &pointer_offset_));
+      if (!backtrace->Initialize(config_)) {
+        return false;
+      }
+    }
+
+    if (config_.options & FRONT_GUARD) {
+      front_guard.reset(new FrontGuardData(config_, &pointer_offset_));
+    }
+
+    extra_bytes_ = pointer_offset_;
+
+    // Initialize all of the non-header data.
+    if (config_.options & REAR_GUARD) {
+      rear_guard.reset(new RearGuardData(config_));
+      extra_bytes_ += config_.rear_guard_bytes;
+    }
+
+    if (config_.options & FREE_TRACK) {
+      free_track.reset(new FreeTrackData(config_));
+    }
+
+    if (config_.options & TRACK_ALLOCS) {
+      track.reset(new TrackData());
+    }
+  }
+
+  if (config_.options & EXPAND_ALLOC) {
+    extra_bytes_ += config_.expand_alloc_bytes;
+  }
+  return true;
+}