src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/LinuxDebuggerLocal.java

*** 119,128 ****
--- 119,135 ----
      public native static int  getAddressSize() ;
  
      @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
      // view, other threads are just separate processes and they are not
      // attached to the target. When they attempt to make ptrace calls,