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src/hotspot/share/classfile/systemDictionary.hpp
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*** 83,104 ****
class ProtectionDomainCacheTable;
class ProtectionDomainCacheEntry;
class GCTimer;
class OopStorage;
! // Certain classes are preloaded, such as java.lang.Object and java.lang.String.
! // They are all "well-known", in the sense that no class loader is allowed
// to provide a different definition.
//
! // These klasses must all have names defined in vmSymbols.
#define WK_KLASS_ENUM_NAME(kname) kname##_knum
// Each well-known class has a short klass name (like object_klass),
// and a vmSymbol name (like java_lang_Object).
// The order of these definitions is significant; it is the order in which
! // preloading is actually performed by resolve_preloaded_classes.
#define WK_KLASSES_DO(do_klass) \
/* well-known classes */ \
do_klass(Object_klass, java_lang_Object ) \
do_klass(String_klass, java_lang_String ) \
--- 83,105 ----
class ProtectionDomainCacheTable;
class ProtectionDomainCacheEntry;
class GCTimer;
class OopStorage;
! // Certain classes, such as java.lang.Object and java.lang.String,
! // are all "well-known", in the sense that no class loader is allowed
// to provide a different definition.
//
! // These klasses must all have names defined in vmSymbols. They are
! // resolved during early VM start-up in a specific order.
#define WK_KLASS_ENUM_NAME(kname) kname##_knum
// Each well-known class has a short klass name (like object_klass),
// and a vmSymbol name (like java_lang_Object).
// The order of these definitions is significant; it is the order in which
! // class resolution is actually performed by resolve_well_known_classes.
#define WK_KLASSES_DO(do_klass) \
/* well-known classes */ \
do_klass(Object_klass, java_lang_Object ) \
do_klass(String_klass, java_lang_String ) \
*** 125,135 ****
do_klass(OutOfMemoryError_klass, java_lang_OutOfMemoryError ) \
do_klass(StackOverflowError_klass, java_lang_StackOverflowError ) \
do_klass(IllegalMonitorStateException_klass, java_lang_IllegalMonitorStateException ) \
do_klass(Reference_klass, java_lang_ref_Reference ) \
\
! /* Preload ref klasses and set reference types */ \
do_klass(SoftReference_klass, java_lang_ref_SoftReference ) \
do_klass(WeakReference_klass, java_lang_ref_WeakReference ) \
do_klass(FinalReference_klass, java_lang_ref_FinalReference ) \
do_klass(PhantomReference_klass, java_lang_ref_PhantomReference ) \
do_klass(Finalizer_klass, java_lang_ref_Finalizer ) \
--- 126,136 ----
do_klass(OutOfMemoryError_klass, java_lang_OutOfMemoryError ) \
do_klass(StackOverflowError_klass, java_lang_StackOverflowError ) \
do_klass(IllegalMonitorStateException_klass, java_lang_IllegalMonitorStateException ) \
do_klass(Reference_klass, java_lang_ref_Reference ) \
\
! /* ref klasses and set reference types */ \
do_klass(SoftReference_klass, java_lang_ref_SoftReference ) \
do_klass(WeakReference_klass, java_lang_ref_WeakReference ) \
do_klass(FinalReference_klass, java_lang_ref_FinalReference ) \
do_klass(PhantomReference_klass, java_lang_ref_PhantomReference ) \
do_klass(Finalizer_klass, java_lang_ref_Finalizer ) \
*** 198,208 ****
do_klass(LiveStackFrameInfo_klass, java_lang_LiveStackFrameInfo ) \
\
/* support for stack dump lock analysis */ \
do_klass(java_util_concurrent_locks_AbstractOwnableSynchronizer_klass, java_util_concurrent_locks_AbstractOwnableSynchronizer) \
\
! /* Preload boxing klasses */ \
do_klass(Boolean_klass, java_lang_Boolean ) \
do_klass(Character_klass, java_lang_Character ) \
do_klass(Float_klass, java_lang_Float ) \
do_klass(Double_klass, java_lang_Double ) \
do_klass(Byte_klass, java_lang_Byte ) \
--- 199,209 ----
do_klass(LiveStackFrameInfo_klass, java_lang_LiveStackFrameInfo ) \
\
/* support for stack dump lock analysis */ \
do_klass(java_util_concurrent_locks_AbstractOwnableSynchronizer_klass, java_util_concurrent_locks_AbstractOwnableSynchronizer) \
\
! /* boxing klasses */ \
do_klass(Boolean_klass, java_lang_Boolean ) \
do_klass(Character_klass, java_lang_Character ) \
do_klass(Float_klass, java_lang_Float ) \
do_klass(Double_klass, java_lang_Double ) \
do_klass(Byte_klass, java_lang_Byte ) \
*** 389,399 ****
static void verify();
// Initialization
static void initialize(TRAPS);
! // Checked fast access to commonly used classes - mostly preloaded
static InstanceKlass* check_klass(InstanceKlass* k) {
assert(k != NULL, "klass not loaded");
return k;
}
--- 390,401 ----
static void verify();
// Initialization
static void initialize(TRAPS);
! // Checked fast access to the well-known classes -- so that you don't try to use them
! // before they are resolved.
static InstanceKlass* check_klass(InstanceKlass* k) {
assert(k != NULL, "klass not loaded");
return k;
}
*** 433,442 ****
--- 435,450 ----
static InstanceKlass* box_klass(BasicType t) {
assert((uint)t < T_VOID+1, "range check");
return check_klass(_box_klasses[t]);
}
static BasicType box_klass_type(Klass* k); // inverse of box_klass
+ #ifdef ASSERT
+ static bool is_well_known_klass(Klass* k) {
+ return is_well_known_klass(k->name());
+ }
+ static bool is_well_known_klass(Symbol* class_name);
+ #endif
protected:
// Returns the class loader data to be used when looking up/updating the
// system dictionary.
static ClassLoaderData *class_loader_data(Handle class_loader) {
*** 693,715 ****
// Won't throw, but can block.
static void resolution_cleanups(Symbol* class_name,
ClassLoaderData* loader_data,
TRAPS);
! // Resolve preloaded classes so they can be used like SystemDictionary::String_klass()
! static void resolve_preloaded_classes(TRAPS);
// Class loader constraints
static void check_constraints(unsigned int hash,
InstanceKlass* k, Handle loader,
bool defining, TRAPS);
static void update_dictionary(unsigned int d_hash,
int p_index, unsigned int p_hash,
InstanceKlass* k, Handle loader,
TRAPS);
- // Variables holding commonly used klasses (preloaded)
static InstanceKlass* _well_known_klasses[];
// table of box klasses (int_klass, etc.)
static InstanceKlass* _box_klasses[T_VOID+1];
--- 701,722 ----
// Won't throw, but can block.
static void resolution_cleanups(Symbol* class_name,
ClassLoaderData* loader_data,
TRAPS);
! // Resolve well_known classes so they can be used like SystemDictionary::String_klass()
! static void resolve_well_known_classes(TRAPS);
// Class loader constraints
static void check_constraints(unsigned int hash,
InstanceKlass* k, Handle loader,
bool defining, TRAPS);
static void update_dictionary(unsigned int d_hash,
int p_index, unsigned int p_hash,
InstanceKlass* k, Handle loader,
TRAPS);
static InstanceKlass* _well_known_klasses[];
// table of box klasses (int_klass, etc.)
static InstanceKlass* _box_klasses[T_VOID+1];
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