src/share/vm/classfile/javaClasses.hpp

rev 6604 : 6642881: Improve performance of Class.getClassLoader()
Summary: Add classLoader to java/lang/Class instance for fast access
Reviewed-by: alanb, lfoltan, rriggs, vlivanov, twisti, jfranck

*** 237,259 ****
    static int _static_oop_field_count_offset;
  
    static int _protection_domain_offset;
    static int _init_lock_offset;
    static int _signers_offset;
  
    static bool offsets_computed;
    static int classRedefinedCount_offset;
    static GrowableArray<Klass*>* _fixup_mirror_list;
  
    static void set_init_lock(oop java_class, oop init_lock);
    static void set_protection_domain(oop java_class, oop protection_domain);
    static void initialize_mirror_fields(KlassHandle k, Handle mirror, Handle protection_domain, TRAPS);
   public:
    static void compute_offsets();
  
    // Instance creation
!   static void create_mirror(KlassHandle k, Handle protection_domain, TRAPS);
    static void fixup_mirror(KlassHandle k, TRAPS);
    static oop  create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS);
    // Conversion
    static Klass* as_Klass(oop java_class);
    static void set_klass(oop java_class, Klass* klass);
--- 237,263 ----
    static int _static_oop_field_count_offset;
  
    static int _protection_domain_offset;
    static int _init_lock_offset;
    static int _signers_offset;
+   static int _class_loader_offset;
  
    static bool offsets_computed;
    static int classRedefinedCount_offset;
+ 
    static GrowableArray<Klass*>* _fixup_mirror_list;
  
    static void set_init_lock(oop java_class, oop init_lock);
    static void set_protection_domain(oop java_class, oop protection_domain);
+   static void set_class_loader(oop java_class, oop class_loader);
    static void initialize_mirror_fields(KlassHandle k, Handle mirror, Handle protection_domain, TRAPS);
   public:
    static void compute_offsets();
  
    // Instance creation
!   static void create_mirror(KlassHandle k, Handle class_loader,
!                             Handle protection_domain, TRAPS);
    static void fixup_mirror(KlassHandle k, TRAPS);
    static oop  create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS);
    // Conversion
    static Klass* as_Klass(oop java_class);
    static void set_klass(oop java_class, Klass* klass);
*** 287,296 ****
--- 291,302 ----
    static oop  protection_domain(oop java_class);
    static oop  init_lock(oop java_class);
    static objArrayOop  signers(oop java_class);
    static void set_signers(oop java_class, objArrayOop signers);
  
+   static oop class_loader(oop java_class);
+ 
    static int oop_size(oop java_class);
    static void set_oop_size(oop java_class, int size);
    static int static_oop_field_count(oop java_class);
    static void set_static_oop_field_count(oop java_class, int size);