--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/LinuxDebuggerLocal.java	2019-11-25 14:00:55.296020300 +0900
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/LinuxDebuggerLocal.java	2019-11-25 14:00:54.634581900 +0900
@@ -121,6 +121,13 @@
     @Override
     public native String demangle(String sym);
 
+    public native long findLibPtrByAddress0(long pc);
+
+    @Override
+    public long findLibPtrByAddress(Address pc) {
+      return findLibPtrByAddress0(pc.asLongValue());
+    }
+
     // Note on Linux threads are really processes. When target process is
     // attached by a serviceability agent thread, only that thread can do
     // ptrace operations on the target. This is because from kernel's point