diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index 339c457..d3561c1 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -32,6 +32,7 @@
 #include <jni.h>
 #include "openjdkjvmti/jvmti.h"
 
+#include "art_jvmti.h"
 #include "gc_root-inl.h"
 #include "globals.h"
 #include "jni_env_ext-inl.h"
@@ -44,25 +45,6 @@
 
 namespace openjdkjvmti {
 
-extern const jvmtiInterface_1 gJvmtiInterface;
-
-// A structure that is a jvmtiEnv with additional information for the runtime.
-struct ArtJvmTiEnv : public jvmtiEnv {
-  art::JavaVMExt* art_vm;
-  void* local_data;
-
-  explicit ArtJvmTiEnv(art::JavaVMExt* runtime) : art_vm(runtime), local_data(nullptr) {
-    functions = &gJvmtiInterface;
-  }
-};
-
-// Macro and constexpr to make error values less annoying to write.
-#define ERR(e) JVMTI_ERROR_ ## e
-static constexpr jvmtiError OK = JVMTI_ERROR_NONE;
-
-// Special error code for unimplemented functions in JVMTI
-static constexpr jvmtiError ERR(NOT_IMPLEMENTED) = JVMTI_ERROR_NOT_AVAILABLE;
-
 class JvmtiFunctions {
  private:
   static bool IsValidEnv(jvmtiEnv* env) {
diff --git a/runtime/openjdkjvmti/art_jvmti.h b/runtime/openjdkjvmti/art_jvmti.h
new file mode 100644
index 0000000..a2c6882
--- /dev/null
+++ b/runtime/openjdkjvmti/art_jvmti.h
@@ -0,0 +1,74 @@
+/* Copyright (C) 2016 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#ifndef ART_RUNTIME_OPENJDKJVMTI_ART_JVMTI_H_
+#define ART_RUNTIME_OPENJDKJVMTI_ART_JVMTI_H_
+
+#include <jni.h>
+
+#include "java_vm_ext.h"
+#include "jni_env_ext.h"
+#include "jvmti.h"
+
+namespace openjdkjvmti {
+
+extern const jvmtiInterface_1 gJvmtiInterface;
+
+// A structure that is a jvmtiEnv with additional information for the runtime.
+struct ArtJvmTiEnv : public jvmtiEnv {
+  art::JavaVMExt* art_vm;
+  void* local_data;
+
+  explicit ArtJvmTiEnv(art::JavaVMExt* runtime) : art_vm(runtime), local_data(nullptr) {
+    functions = &gJvmtiInterface;
+  }
+};
+
+// Macro and constexpr to make error values less annoying to write.
+#define ERR(e) JVMTI_ERROR_ ## e
+static constexpr jvmtiError OK = JVMTI_ERROR_NONE;
+
+// Special error code for unimplemented functions in JVMTI
+static constexpr jvmtiError ERR(NOT_IMPLEMENTED) = JVMTI_ERROR_NOT_AVAILABLE;
+
+static inline JNIEnv* GetJniEnv(jvmtiEnv* env) {
+  JNIEnv* ret_value = nullptr;
+  jint res = reinterpret_cast<ArtJvmTiEnv*>(env)->art_vm->GetEnv(
+      reinterpret_cast<void**>(&ret_value), JNI_VERSION_1_1);
+  if (res != JNI_OK) {
+    return nullptr;
+  }
+  return ret_value;
+}
+
+}  // namespace openjdkjvmti
+
+#endif  // ART_RUNTIME_OPENJDKJVMTI_ART_JVMTI_H_