--- old/src/jdk.hotspot.agent/linux/native/libsaproc/LinuxDebuggerLocal.cpp	2019-11-28 21:31:06.885382200 +0900
+++ new/src/jdk.hotspot.agent/linux/native/libsaproc/LinuxDebuggerLocal.cpp	2019-11-28 21:31:06.646456000 +0900
@@ -608,3 +608,15 @@
 
   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));
+}