2 files changed, 13 insertions, 0 deletions
diff --git a/libjava/java/lang/Class.h b/libjava/java/lang/Class.h
index a884cd6c59b..82a66fb814b 100644
--- a/libjava/java/lang/Class.h
+++ b/libjava/java/lang/Class.h
@@ -290,6 +290,10 @@ class java::io::VMObjectStreamClass;
 
 void _Jv_sharedlib_register_hook (jclass klass);
 
+/* Find the class that defines the given method. Returns NULL
+   if it cannot be found. Searches both interpreted and native
+   classes. */
+jclass _Jv_GetMethodDeclaringClass (jmethodID method);
 
 class java::lang::Class : public java::lang::Object
 {
diff --git a/libjava/java/lang/natClass.cc b/libjava/java/lang/natClass.cc
index 12984291ee1..491faa7989a 100644
--- a/libjava/java/lang/natClass.cc
+++ b/libjava/java/lang/natClass.cc
@@ -1267,3 +1267,12 @@ _Jv_GetClassNameUtf8 (jclass klass)
 {
   return klass->name;
 }
+
+jclass
+_Jv_GetMethodDeclaringClass (jmethodID method)
+{
+  _Jv_StackTrace::UpdateNCodeMap ();
+  jobject obj = reinterpret_cast<jobject> (method->ncode);
+  return reinterpret_cast<jclass> (_Jv_StackTrace::ncodeMap->get (obj));
+}
+