src/hotspot/share/classfile/javaClasses.hpp

rev 56222 : 8218628: Add detailed message to NullPointerException describing what is null.
Summary: This is the implementation of JEP 358: Helpful NullPointerExceptions.
Reviewed-by: coleenp

*** 517,527 ****
      trace_methods_offset = 0,
      trace_bcis_offset    = 1,
      trace_mirrors_offset = 2,
      trace_names_offset   = 3,
      trace_next_offset    = 4,
!     trace_size           = 5,
      trace_chunk_size     = 32
    };
  
    static int backtrace_offset;
    static int detailMessage_offset;
--- 517,528 ----
      trace_methods_offset = 0,
      trace_bcis_offset    = 1,
      trace_mirrors_offset = 2,
      trace_names_offset   = 3,
      trace_next_offset    = 4,
!     trace_hidden_offset  = 5,
!     trace_size           = 6,
      trace_chunk_size     = 32
    };
  
    static int backtrace_offset;
    static int detailMessage_offset;
*** 567,576 ****
--- 568,579 ----
    static void print(oop throwable, outputStream* st);
    static void print_stack_trace(Handle throwable, outputStream* st);
    static void java_printStackTrace(Handle throwable, TRAPS);
    // Debugging
    friend class JavaClasses;
+   // Gets the method and bci of the top frame (TOS). Returns false if this failed.
+   static bool get_method_and_bci(oop throwable, Method** method, int* bci);
  };
  
  
  // Interface to java.lang.reflect.AccessibleObject objects