diff --git a/runtime/Android.mk b/runtime/Android.mk
index 542a2c4..c859079 100644
--- a/runtime/Android.mk
+++ b/runtime/Android.mk
@@ -149,6 +149,7 @@
   native/java_lang_VMClassLoader.cc \
   native/java_lang_ref_FinalizerReference.cc \
   native/java_lang_ref_Reference.cc \
+  native/java_lang_reflect_AbstractMethod.cc \
   native/java_lang_reflect_Array.cc \
   native/java_lang_reflect_Constructor.cc \
   native/java_lang_reflect_Field.cc \
diff --git a/runtime/dex_file.cc b/runtime/dex_file.cc
index e63eaa2..63f3f08 100644
--- a/runtime/dex_file.cc
+++ b/runtime/dex_file.cc
@@ -1351,6 +1351,17 @@
   return ProcessAnnotationSetRefList(method_class, set_ref_list, size);
 }
 
+mirror::ObjectArray<mirror::String>* DexFile::GetSignatureAnnotationForMethod(ArtMethod* method)
+    const {
+  const AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method);
+  if (annotation_set == nullptr) {
+    return nullptr;
+  }
+  StackHandleScope<1> hs(Thread::Current());
+  Handle<mirror::Class> method_class(hs.NewHandle(method->GetDeclaringClass()));
+  return GetSignatureValue(method_class, annotation_set);
+}
+
 bool DexFile::IsMethodAnnotationPresent(ArtMethod* method, Handle<mirror::Class> annotation_class)
     const {
   const AnnotationSetItem* annotation_set = FindAnnotationSetForMethod(method);
@@ -1548,6 +1559,15 @@
   return true;
 }
 
+mirror::ObjectArray<mirror::String>* DexFile::GetSignatureAnnotationForClass(
+    Handle<mirror::Class> klass) const {
+  const AnnotationSetItem* annotation_set = FindAnnotationSetForClass(klass);
+  if (annotation_set == nullptr) {
+    return nullptr;
+  }
+  return GetSignatureValue(klass, annotation_set);
+}
+
 bool DexFile::IsClassAnnotationPresent(Handle<mirror::Class> klass,
                                        Handle<mirror::Class> annotation_class) const {
   const AnnotationSetItem* annotation_set = FindAnnotationSetForClass(klass);
diff --git a/runtime/dex_file.h b/runtime/dex_file.h
index 1456636..3a28422 100644
--- a/runtime/dex_file.h
+++ b/runtime/dex_file.h
@@ -991,6 +991,8 @@
       SHARED_REQUIRES(Locks::mutator_lock_);
   mirror::ObjectArray<mirror::Object>* GetParameterAnnotations(ArtMethod* method) const
       SHARED_REQUIRES(Locks::mutator_lock_);
+  mirror::ObjectArray<mirror::String>* GetSignatureAnnotationForMethod(ArtMethod* method) const
+      SHARED_REQUIRES(Locks::mutator_lock_);
   bool IsMethodAnnotationPresent(ArtMethod* method, Handle<mirror::Class> annotation_class) const
       SHARED_REQUIRES(Locks::mutator_lock_);
 
@@ -1013,6 +1015,8 @@
       SHARED_REQUIRES(Locks::mutator_lock_);
   bool GetInnerClassFlags(Handle<mirror::Class> klass, uint32_t* flags) const
       SHARED_REQUIRES(Locks::mutator_lock_);
+  mirror::ObjectArray<mirror::String>* GetSignatureAnnotationForClass(Handle<mirror::Class> klass)
+      const SHARED_REQUIRES(Locks::mutator_lock_);
   bool IsClassAnnotationPresent(Handle<mirror::Class> klass, Handle<mirror::Class> annotation_class)
       const SHARED_REQUIRES(Locks::mutator_lock_);
 
diff --git a/runtime/native/java_lang_Class.cc b/runtime/native/java_lang_Class.cc
index bf24de5..19aa0dd 100644
--- a/runtime/native/java_lang_Class.cc
+++ b/runtime/native/java_lang_Class.cc
@@ -545,6 +545,17 @@
   return soa.AddLocalReference<jstring>(class_name);
 }
 
+static jobjectArray Class_getSignatureAnnotation(JNIEnv* env, jobject javaThis) {
+  ScopedFastNativeObjectAccess soa(env);
+  StackHandleScope<1> hs(soa.Self());
+  Handle<mirror::Class> klass(hs.NewHandle(DecodeClass(soa, javaThis)));
+  if (klass->IsProxyClass() || klass->GetDexCache() == nullptr) {
+    return nullptr;
+  }
+  return soa.AddLocalReference<jobjectArray>(
+      klass->GetDexFile().GetSignatureAnnotationForClass(klass));
+}
+
 static jboolean Class_isAnonymousClass(JNIEnv* env, jobject javaThis) {
   ScopedFastNativeObjectAccess soa(env);
   StackHandleScope<1> hs(soa.Self());
@@ -692,6 +703,7 @@
   NATIVE_METHOD(Class, getNameNative, "!()Ljava/lang/String;"),
   NATIVE_METHOD(Class, getProxyInterfaces, "!()[Ljava/lang/Class;"),
   NATIVE_METHOD(Class, getPublicDeclaredFields, "!()[Ljava/lang/reflect/Field;"),
+  NATIVE_METHOD(Class, getSignatureAnnotation, "!()[Ljava/lang/String;"),
   NATIVE_METHOD(Class, isAnonymousClass, "!()Z"),
   NATIVE_METHOD(Class, isDeclaredAnnotationPresent, "!(Ljava/lang/Class;)Z"),
   NATIVE_METHOD(Class, newInstance, "!()Ljava/lang/Object;"),
diff --git a/runtime/native/java_lang_reflect_AbstractMethod.cc b/runtime/native/java_lang_reflect_AbstractMethod.cc
new file mode 100644
index 0000000..7e11c11
--- /dev/null
+++ b/runtime/native/java_lang_reflect_AbstractMethod.cc
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "java_lang_reflect_AbstractMethod.h"
+
+#include "art_method-inl.h"
+#include "jni_internal.h"
+#include "mirror/class-inl.h"
+#include "mirror/object-inl.h"
+#include "mirror/object_array-inl.h"
+#include "reflection.h"
+#include "scoped_fast_native_object_access.h"
+#include "well_known_classes.h"
+
+namespace art {
+
+static jobjectArray AbstractMethod_getDeclaredAnnotations(JNIEnv* env, jobject javaMethod) {
+  ScopedFastNativeObjectAccess soa(env);
+  ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
+  if (method->GetDeclaringClass()->IsProxyClass()) {
+    // Return an empty array instead of a null pointer.
+    mirror::Class* annotation_array_class =
+        soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_annotation_Annotation__array);
+    mirror::ObjectArray<mirror::Object>* empty_array =
+        mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), annotation_array_class, 0);
+    return soa.AddLocalReference<jobjectArray>(empty_array);
+  }
+  return soa.AddLocalReference<jobjectArray>(method->GetDexFile()->GetAnnotationsForMethod(method));
+}
+
+static jobjectArray AbstractMethod_getSignatureAnnotation(JNIEnv* env, jobject javaMethod) {
+  ScopedFastNativeObjectAccess soa(env);
+  ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
+  if (method->GetDeclaringClass()->IsProxyClass()) {
+    return nullptr;
+  }
+  StackHandleScope<1> hs(soa.Self());
+  return soa.AddLocalReference<jobjectArray>(
+      method->GetDexFile()->GetSignatureAnnotationForMethod(method));
+}
+
+
+static jboolean AbstractMethod_isAnnotationPresentNative(JNIEnv* env, jobject javaMethod,
+                                                         jclass annotationType) {
+  ScopedFastNativeObjectAccess soa(env);
+  ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
+  if (method->GetDeclaringClass()->IsProxyClass()) {
+    return false;
+  }
+  StackHandleScope<1> hs(soa.Self());
+  Handle<mirror::Class> klass(hs.NewHandle(soa.Decode<mirror::Class*>(annotationType)));
+  return method->GetDexFile()->IsMethodAnnotationPresent(method, klass);
+}
+
+static JNINativeMethod gMethods[] = {
+  NATIVE_METHOD(AbstractMethod, getDeclaredAnnotations, "!()[Ljava/lang/annotation/Annotation;"),
+  NATIVE_METHOD(AbstractMethod, getSignatureAnnotation, "!()[Ljava/lang/String;"),
+  NATIVE_METHOD(AbstractMethod, isAnnotationPresentNative, "!(Ljava/lang/Class;)Z"),
+};
+
+void register_java_lang_reflect_AbstractMethod(JNIEnv* env) {
+  REGISTER_NATIVE_METHODS("java/lang/reflect/AbstractMethod");
+}
+
+}  // namespace art
diff --git a/runtime/native/java_lang_reflect_AbstractMethod.h b/runtime/native/java_lang_reflect_AbstractMethod.h
new file mode 100644
index 0000000..222e5a0
--- /dev/null
+++ b/runtime/native/java_lang_reflect_AbstractMethod.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_NATIVE_JAVA_LANG_REFLECT_ABSTRACTMETHOD_H_
+#define ART_RUNTIME_NATIVE_JAVA_LANG_REFLECT_ABSTRACTMETHOD_H_
+
+#include <jni.h>
+
+namespace art {
+
+void register_java_lang_reflect_AbstractMethod(JNIEnv* env);
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_NATIVE_JAVA_LANG_REFLECT_ABSTRACTMETHOD_H_
diff --git a/runtime/native/java_lang_reflect_Method.cc b/runtime/native/java_lang_reflect_Method.cc
index d7cf62e..78999c2 100644
--- a/runtime/native/java_lang_reflect_Method.cc
+++ b/runtime/native/java_lang_reflect_Method.cc
@@ -41,20 +41,6 @@
       method->GetDexFile()->GetAnnotationForMethod(method, klass));
 }
 
-static jobjectArray Method_getDeclaredAnnotations(JNIEnv* env, jobject javaMethod) {
-  ScopedFastNativeObjectAccess soa(env);
-  ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
-  if (method->GetDeclaringClass()->IsProxyClass()) {
-    // Return an empty array instead of a null pointer.
-    mirror::Class* annotation_array_class =
-        soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_annotation_Annotation__array);
-    mirror::ObjectArray<mirror::Object>* empty_array =
-        mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), annotation_array_class, 0);
-    return soa.AddLocalReference<jobjectArray>(empty_array);
-  }
-  return soa.AddLocalReference<jobjectArray>(method->GetDexFile()->GetAnnotationsForMethod(method));
-}
-
 static jobject Method_getDefaultValue(JNIEnv* env, jobject javaMethod) {
   ScopedFastNativeObjectAccess soa(env);
   ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
@@ -116,27 +102,13 @@
   return InvokeMethod(soa, javaMethod, javaReceiver, javaArgs);
 }
 
-static jboolean Method_isAnnotationPresentNative(JNIEnv* env, jobject javaMethod,
-                                                 jclass annotationType) {
-  ScopedFastNativeObjectAccess soa(env);
-  ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
-  if (method->GetDeclaringClass()->IsProxyClass()) {
-    return false;
-  }
-  StackHandleScope<1> hs(soa.Self());
-  Handle<mirror::Class> klass(hs.NewHandle(soa.Decode<mirror::Class*>(annotationType)));
-  return method->GetDexFile()->IsMethodAnnotationPresent(method, klass);
-}
-
 static JNINativeMethod gMethods[] = {
   NATIVE_METHOD(Method, getAnnotationNative,
                 "!(Ljava/lang/Class;)Ljava/lang/annotation/Annotation;"),
-  NATIVE_METHOD(Method, getDeclaredAnnotations, "!()[Ljava/lang/annotation/Annotation;"),
   NATIVE_METHOD(Method, getDefaultValue, "!()Ljava/lang/Object;"),
   NATIVE_METHOD(Method, getExceptionTypes, "!()[Ljava/lang/Class;"),
   NATIVE_METHOD(Method, getParameterAnnotationsNative, "!()[[Ljava/lang/annotation/Annotation;"),
   NATIVE_METHOD(Method, invoke, "!(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;"),
-  NATIVE_METHOD(Method, isAnnotationPresentNative, "!(Ljava/lang/Class;)Z"),
 };
 
 void register_java_lang_reflect_Method(JNIEnv* env) {
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 630d101..d3454e8 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -103,6 +103,7 @@
 #include "native/java_lang_VMClassLoader.h"
 #include "native/java_lang_ref_FinalizerReference.h"
 #include "native/java_lang_ref_Reference.h"
+#include "native/java_lang_reflect_AbstractMethod.h"
 #include "native/java_lang_reflect_Array.h"
 #include "native/java_lang_reflect_Constructor.h"
 #include "native/java_lang_reflect_Field.h"
@@ -1349,6 +1350,7 @@
   register_java_lang_DexCache(env);
   register_java_lang_Object(env);
   register_java_lang_ref_FinalizerReference(env);
+  register_java_lang_reflect_AbstractMethod(env);
   register_java_lang_reflect_Array(env);
   register_java_lang_reflect_Constructor(env);
   register_java_lang_reflect_Field(env);
diff --git a/test/005-annotations/expected.txt b/test/005-annotations/expected.txt
index 3d9fd8b..ee5b0c7 100644
--- a/test/005-annotations/expected.txt
+++ b/test/005-annotations/expected.txt
@@ -93,6 +93,7 @@
     --> nombre is 'fubar'
 
 SimplyNoted.get(AnnoSimpleType) = @android.test.anno.AnnoSimpleType()
+SimplyNoted.get(AnnoSimpleTypeInvis) = null
 SubNoted.get(AnnoSimpleType) = @android.test.anno.AnnoSimpleType()
 
 Package annotations:
diff --git a/test/005-annotations/src/android/test/anno/TestAnnotations.java b/test/005-annotations/src/android/test/anno/TestAnnotations.java
index bc89f16..d36d43e 100644
--- a/test/005-annotations/src/android/test/anno/TestAnnotations.java
+++ b/test/005-annotations/src/android/test/anno/TestAnnotations.java
@@ -185,6 +185,9 @@
         // this is expected to be non-null
         Annotation anno = SimplyNoted.class.getAnnotation(AnnoSimpleType.class);
         System.out.println("SimplyNoted.get(AnnoSimpleType) = " + anno);
+        // this is expected to be null
+        anno = SimplyNoted.class.getAnnotation(AnnoSimpleTypeInvis.class);
+        System.out.println("SimplyNoted.get(AnnoSimpleTypeInvis) = " + anno);
         // this is non-null if the @Inherited tag is present
         anno = SubNoted.class.getAnnotation(AnnoSimpleType.class);
         System.out.println("SubNoted.get(AnnoSimpleType) = " + anno);
diff --git a/test/031-class-attributes/src/ClassAttrs.java b/test/031-class-attributes/src/ClassAttrs.java
index c2e41c5..38bd525 100644
--- a/test/031-class-attributes/src/ClassAttrs.java
+++ b/test/031-class-attributes/src/ClassAttrs.java
@@ -1,6 +1,7 @@
 import otherpackage.OtherPackageClass;
 
 import java.io.Serializable;
+import java.lang.reflect.AbstractMethod;
 import java.lang.reflect.AccessibleObject;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
@@ -221,8 +222,11 @@
     public static String getSignatureAttribute(Object obj) {
         Method method;
         try {
-            Class c = Class.forName("libcore.reflect.AnnotationAccess");
-            method = c.getDeclaredMethod("getSignature", java.lang.reflect.AnnotatedElement.class);
+            Class c = obj.getClass();
+            if (c == Method.class || c == Constructor.class) {
+              c = AbstractMethod.class;
+            }
+            method = c.getDeclaredMethod("getSignatureAttribute");
             method.setAccessible(true);
         } catch (Exception ex) {
             ex.printStackTrace();
@@ -230,7 +234,7 @@
         }
 
         try {
-            return (String) method.invoke(null, obj);
+            return (String) method.invoke(obj);
         } catch (IllegalAccessException ex) {
             throw new RuntimeException(ex);
         } catch (InvocationTargetException ex) {