src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/NMethod.java

*** 36,47 ****
    private static long          pcDescSize;
    /** != InvocationEntryBci if this nmethod is an on-stack replacement method */
    private static CIntegerField entryBCIField;
    /** To support simple linked-list chaining of nmethods */
    private static AddressField  osrLinkField;
-   private static AddressField  scavengeRootLinkField;
-   private static JByteField    scavengeRootStateField;
  
    /** Offsets for different nmethod parts */
    private static CIntegerField exceptionOffsetField;
    private static CIntegerField origPCOffsetField;
    private static CIntegerField stubOffsetField;
--- 36,45 ----
*** 86,97 ****
    private static void initialize(TypeDataBase db) {
      Type type = db.lookupType("nmethod");
  
      entryBCIField               = type.getCIntegerField("_entry_bci");
      osrLinkField                = type.getAddressField("_osr_link");
-     scavengeRootLinkField       = type.getAddressField("_scavenge_root_link");
-     scavengeRootStateField      = type.getJByteField("_scavenge_root_state");
  
      exceptionOffsetField        = type.getCIntegerField("_exception_offset");
      origPCOffsetField           = type.getCIntegerField("_orig_pc_offset");
      stubOffsetField             = type.getCIntegerField("_stub_offset");
      oopsOffsetField             = type.getCIntegerField("_oops_offset");
--- 84,93 ----
*** 249,266 ****
  
    public NMethod getOSRLink() {
      return (NMethod) VMObjectFactory.newObject(NMethod.class, osrLinkField.getValue(addr));
    }
  
-   public NMethod getScavengeRootLink() {
-     return (NMethod) VMObjectFactory.newObject(NMethod.class, scavengeRootLinkField.getValue(addr));
-   }
- 
-   public int getScavengeRootState() {
-     return (int) scavengeRootStateField.getValue(addr);
-   }
- 
    // MethodHandle
    public boolean isMethodHandleReturn(Address returnPc) {
      // Hard to read a bit fields from Java and it's only there for performance
      // so just go directly to the PCDesc
      // if (!hasMethodHandleInvokes())  return false;
--- 245,254 ----