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src/hotspot/share/oops/instanceKlass.hpp

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 230     _misc_should_verify_class                 = 1 << 4,  // allow caching of preverification
 231     _misc_is_unsafe_anonymous                 = 1 << 5,  // has embedded _unsafe_anonymous_host field
 232     _misc_is_contended                        = 1 << 6,  // marked with contended annotation
 233     _misc_has_nonstatic_concrete_methods      = 1 << 7,  // class/superclass/implemented interfaces has non-static, concrete methods
 234     _misc_declares_nonstatic_concrete_methods = 1 << 8,  // directly declares non-static, concrete methods
 235     _misc_has_been_redefined                  = 1 << 9,  // class has been redefined
 236     _misc_has_passed_fingerprint_check        = 1 << 10, // when this class was loaded, the fingerprint computed from its
 237                                                          // code source was found to be matching the value recorded by AOT.
 238     _misc_is_scratch_class                    = 1 << 11, // class is the redefined scratch class
 239     _misc_is_shared_boot_class                = 1 << 12, // defining class loader is boot class loader
 240     _misc_is_shared_platform_class            = 1 << 13, // defining class loader is platform class loader
 241     _misc_is_shared_app_class                 = 1 << 14, // defining class loader is app class loader
 242     _misc_has_resolved_methods                = 1 << 15  // resolved methods table entries added for this class
 243   };
 244   u2 loader_type_bits() {
 245     return _misc_is_shared_boot_class|_misc_is_shared_platform_class|_misc_is_shared_app_class;
 246   }
 247   u2              _misc_flags;
 248   u2              _minor_version;        // minor version number of class file
 249   u2              _major_version;        // major version number of class file
 250   Thread*         _init_thread;          // Pointer to current thread doing initialization (to handle recursive initialization)
 251   OopMapCache*    volatile _oop_map_cache;   // OopMapCache for all methods in the klass (allocated lazily)
 252   JNIid*          _jni_ids;              // First JNI identifier for static fields in this class
 253   jmethodID*      volatile _methods_jmethod_ids;  // jmethodIDs corresponding to method_idnum, or NULL if none
 254   nmethodBucket*  volatile _dep_context;          // packed DependencyContext structure
 255   uint64_t        volatile _dep_context_last_cleaned;
 256   nmethod*        _osr_nmethods_head;    // Head of list of on-stack replacement nmethods for this class
 257 #if INCLUDE_JVMTI
 258   BreakpointInfo* _breakpoints;          // bpt lists, managed by Method*
 259   // Linked instanceKlasses of previous versions
 260   InstanceKlass* _previous_versions;
 261   // JVMTI fields can be moved to their own structure - see 6315920
 262   // JVMTI: cached class file, before retransformable agent modified it in CFLH
 263   JvmtiCachedClassFileData* _cached_class_file;
 264 #endif
 265 
 266   volatile u2     _idnum_allocated_count;         // JNI/JVMTI: increments with the addition of methods, old ids don't change
 267 
 268   // Class states are defined as ClassState (see above).
 269   // Place the _init_state here to utilize the unused 2-byte after
 270   // _idnum_allocated_count.




 230     _misc_should_verify_class                 = 1 << 4,  // allow caching of preverification
 231     _misc_is_unsafe_anonymous                 = 1 << 5,  // has embedded _unsafe_anonymous_host field
 232     _misc_is_contended                        = 1 << 6,  // marked with contended annotation
 233     _misc_has_nonstatic_concrete_methods      = 1 << 7,  // class/superclass/implemented interfaces has non-static, concrete methods
 234     _misc_declares_nonstatic_concrete_methods = 1 << 8,  // directly declares non-static, concrete methods
 235     _misc_has_been_redefined                  = 1 << 9,  // class has been redefined
 236     _misc_has_passed_fingerprint_check        = 1 << 10, // when this class was loaded, the fingerprint computed from its
 237                                                          // code source was found to be matching the value recorded by AOT.
 238     _misc_is_scratch_class                    = 1 << 11, // class is the redefined scratch class
 239     _misc_is_shared_boot_class                = 1 << 12, // defining class loader is boot class loader
 240     _misc_is_shared_platform_class            = 1 << 13, // defining class loader is platform class loader
 241     _misc_is_shared_app_class                 = 1 << 14, // defining class loader is app class loader
 242     _misc_has_resolved_methods                = 1 << 15  // resolved methods table entries added for this class
 243   };
 244   u2 loader_type_bits() {
 245     return _misc_is_shared_boot_class|_misc_is_shared_platform_class|_misc_is_shared_app_class;
 246   }
 247   u2              _misc_flags;
 248   u2              _minor_version;        // minor version number of class file
 249   u2              _major_version;        // major version number of class file
 250   Thread*         _init_thread;          // Pointer to current thread doing initialization (to handle recusive initialization)
 251   OopMapCache*    volatile _oop_map_cache;   // OopMapCache for all methods in the klass (allocated lazily)
 252   JNIid*          _jni_ids;              // First JNI identifier for static fields in this class
 253   jmethodID*      volatile _methods_jmethod_ids;  // jmethodIDs corresponding to method_idnum, or NULL if none
 254   nmethodBucket*  volatile _dep_context;          // packed DependencyContext structure
 255   uint64_t        volatile _dep_context_last_cleaned;
 256   nmethod*        _osr_nmethods_head;    // Head of list of on-stack replacement nmethods for this class
 257 #if INCLUDE_JVMTI
 258   BreakpointInfo* _breakpoints;          // bpt lists, managed by Method*
 259   // Linked instanceKlasses of previous versions
 260   InstanceKlass* _previous_versions;
 261   // JVMTI fields can be moved to their own structure - see 6315920
 262   // JVMTI: cached class file, before retransformable agent modified it in CFLH
 263   JvmtiCachedClassFileData* _cached_class_file;
 264 #endif
 265 
 266   volatile u2     _idnum_allocated_count;         // JNI/JVMTI: increments with the addition of methods, old ids don't change
 267 
 268   // Class states are defined as ClassState (see above).
 269   // Place the _init_state here to utilize the unused 2-byte after
 270   // _idnum_allocated_count.


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