*** old/src/share/vm/prims/whitebox.cpp	Tue Mar 25 12:59:35 2014
--- new/src/share/vm/prims/whitebox.cpp	Tue Mar 25 12:59:35 2014

*** 1,7 ****
--- 1,7 ----
  /*
!  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2012, 2014, 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.

*** 508,517 ****
--- 508,555 ----
    CHECK_JNI_EXCEPTION_(env, NULL);
  
    return features_string;
  WB_END
  
+ 
+ WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
+   ResourceMark rm(THREAD);
+   jmethodID jmid = reflected_method_to_jmid(thread, env, method);
+   CHECK_JNI_EXCEPTION_(env, NULL);
+   methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
+   nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
+   jobjectArray result = NULL;
+   if (code == NULL) {
+     return result;
+   }
+   int insts_size = code->insts_size();
+ 
+   ThreadToNativeFromVM ttn(thread);
+   jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string());
+   CHECK_JNI_EXCEPTION_(env, NULL);
+   result = env->NewObjectArray(2, clazz, NULL);
+   if (result == NULL) {
+     return result;
+   }
+ 
+   clazz = env->FindClass(vmSymbols::java_lang_Integer()->as_C_string());
+   CHECK_JNI_EXCEPTION_(env, NULL);
+   jmethodID constructor = env->GetMethodID(clazz, vmSymbols::object_initializer_name()->as_C_string(), vmSymbols::int_void_signature()->as_C_string());
+   CHECK_JNI_EXCEPTION_(env, NULL);
+   jobject obj = env->NewObject(clazz, constructor, code->comp_level());
+   CHECK_JNI_EXCEPTION_(env, NULL);
+   env->SetObjectArrayElement(result, 0, obj);
+ 
+   jbyteArray insts = env->NewByteArray(insts_size);
+   CHECK_JNI_EXCEPTION_(env, NULL);
+   env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin());
+   env->SetObjectArrayElement(result, 1, insts);
+ 
+   return result;
+ WB_END
+ 
+ 
  //Some convenience methods to deal with objects from java
  int WhiteBox::offset_for_field(const char* field_name, oop object,
      Symbol* signature_symbol) {
    assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid");
    Thread* THREAD = Thread::current();

*** 620,629 ****
--- 658,669 ----
        CC"(Ljava/lang/reflect/Executable;)V",          (void*)&WB_ClearMethodState},
    {CC"isInStringTable",   CC"(Ljava/lang/String;)Z",  (void*)&WB_IsInStringTable  },
    {CC"fullGC",   CC"()V",                             (void*)&WB_FullGC },
    {CC"readReservedMemory", CC"()V",                   (void*)&WB_ReadReservedMemory },
    {CC"getCPUFeatures",     CC"()Ljava/lang/String;",  (void*)&WB_GetCPUFeatures     },
+   {CC"getNMethod",         CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
+                                                       (void*)&WB_GetNMethod         },
  };
  
  #undef CC
  
  JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))