--- old/src/jdk.hotspot.agent/linux/native/libsaproc/LinuxDebuggerLocal.cpp	2020-02-27 14:04:35.886743400 +0900
+++ new/src/jdk.hotspot.agent/linux/native/libsaproc/LinuxDebuggerLocal.cpp	2020-02-27 14:04:35.580937600 +0900
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2002, 2020, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2019, NTT DATA.
+ * Copyright (c) 2019, 2020, NTT DATA.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -616,3 +616,15 @@
 
   return result;
 }
+
+/*
+ * Class:     sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal
+ * Method:    findLibPtrByAddress0
+ * Signature: (J)J
+ */
+extern "C"
+JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_findLibPtrByAddress0
+  (JNIEnv *env, jobject this_obj, jlong pc) {
+  struct ps_prochandle* ph = get_proc_handle(env, this_obj);
+  return reinterpret_cast<jlong>(find_lib_by_address(ph, pc));
+}