src/share/vm/classfile/javaClasses.hpp

*** 1171,1180 ****
--- 1171,1181 ----
  class java_lang_invoke_CallSite: AllStatic {
    friend class JavaClasses;
  
  private:
    static int _target_offset;
+   static int _context_offset;
  
    static void compute_offsets();
  
  public:
    // Accessors
*** 1182,1201 ****
--- 1183,1230 ----
    static void         set_target(         oop site, oop target);
  
    static volatile oop     target_volatile(oop site);
    static void         set_target_volatile(oop site, oop target);
  
+   static oop              context_volatile(        oop site);
+   static void         set_context_volatile(        oop site, oop context);
+   static bool         set_context_cas     (        oop site, oop context, oop expected);
+     
    // Testers
    static bool is_subclass(Klass* klass) {
      return klass->is_subclass_of(SystemDictionary::CallSite_klass());
    }
    static bool is_instance(oop obj);
  
    // Accessors for code generation:
    static int target_offset_in_bytes()           { return _target_offset; }
  };
  
+ class java_lang_invoke_DependencyContext : AllStatic {
+   friend class JavaClasses;
+ 
+ private:
+   static int _cleaner_offset;
+   static int _default_context_offset;
+ 
+   static void compute_offsets();
+ 
+ public:
+   // Accessors
+   static oop              cleaner(oop ctx) { return ctx->obj_field(_cleaner_offset); }
+   
+   static oop      default_context();
+   static bool  is_default_context(oop ctx) { return (ctx == default_context()); };
+   
+   // Testers
+   static bool is_subclass(Klass* klass) {
+     return klass->is_subclass_of(SystemDictionary::DependencyContext_klass());
+   }
+   static bool is_instance(oop obj) {
+       return obj != NULL && is_subclass(obj->klass());
+   }
+ };
  
  // Interface to java.security.AccessControlContext objects
  
  class java_security_AccessControlContext: AllStatic {
   private: