101 static oop _double_mirror;
102 static oop _byte_mirror;
103 static oop _bool_mirror;
104 static oop _char_mirror;
105 static oop _long_mirror;
106 static oop _short_mirror;
107 static oop _void_mirror;
108
109 static oop _main_thread_group; // Reference to the main thread group object
110 static oop _system_thread_group; // Reference to the system thread group object
111
112 static objArrayOop _the_empty_class_klass_array; // Canonicalized obj array of type java.lang.Class
113 static oop _the_null_sentinel; // A unique object pointer unused except as a sentinel for null.
114 static oop _the_null_string; // A cache of "null" as a Java string
115 static oop _the_min_jint_string; // A cache of "-2147483648" as a Java string
116 static LatestMethodCache* _finalizer_register_cache; // static method for registering finalizable objects
117 static LatestMethodCache* _loader_addClass_cache; // method for registering loaded classes in class loader vector
118 static LatestMethodCache* _throw_illegal_access_error_cache; // Unsafe.throwIllegalAccessError() method
119 static LatestMethodCache* _throw_no_such_method_error_cache; // Unsafe.throwNoSuchMethodError() method
120 static LatestMethodCache* _do_stack_walk_cache; // method for stack walker callback
121
122 // preallocated error objects (no backtrace)
123 static oop _out_of_memory_error_java_heap;
124 static oop _out_of_memory_error_metaspace;
125 static oop _out_of_memory_error_class_metaspace;
126 static oop _out_of_memory_error_array_size;
127 static oop _out_of_memory_error_gc_overhead_limit;
128 static oop _out_of_memory_error_realloc_objects;
129 static oop _out_of_memory_error_retry;
130
131 // preallocated cause message for delayed StackOverflowError
132 static oop _delayed_stack_overflow_error_message;
133
134 static Array<int>* _the_empty_int_array; // Canonicalized int array
135 static Array<u2>* _the_empty_short_array; // Canonicalized short array
136 static Array<Klass*>* _the_empty_klass_array; // Canonicalized klass array
137 static Array<InstanceKlass*>* _the_empty_instance_klass_array; // Canonicalized instance klass array
138 static Array<Method*>* _the_empty_method_array; // Canonicalized method array
139
140 static Array<Klass*>* _the_array_interfaces_array;
143 static objArrayOop _preallocated_out_of_memory_error_array;
144
145 // number of preallocated error objects available for use
146 static volatile jint _preallocated_out_of_memory_error_avail_count;
147
148 static oop _null_ptr_exception_instance; // preallocated exception object
149 static oop _arithmetic_exception_instance; // preallocated exception object
150 static oop _virtual_machine_error_instance; // preallocated exception object
151 // The object used as an exception dummy when exceptions are thrown for
152 // the vm thread.
153 static oop _vm_exception;
154
155 // References waiting to be transferred to the ReferenceHandler
156 static oop _reference_pending_list;
157
158 // The particular choice of collected heap.
159 static CollectedHeap* _collectedHeap;
160
161 static intptr_t _non_oop_bits;
162
163 // array of dummy objects used with +FullGCAlot
164 debug_only(static objArrayOop _fullgc_alot_dummy_array;)
165 // index of next entry to clear
166 debug_only(static int _fullgc_alot_dummy_next;)
167
168 // Compiler/dispatch support
169 static int _base_vtable_size; // Java vtbl size of klass Object (in words)
170
171 // Initialization
172 static bool _bootstrapping; // true during genesis
173 static bool _module_initialized; // true after call_initPhase2 called
174 static bool _fully_initialized; // true after universe_init and initialize_vtables called
175
176 // the array of preallocated errors with backtraces
177 static objArrayOop preallocated_out_of_memory_errors() { return _preallocated_out_of_memory_error_array; }
178
179 // generate an out of memory error; if possible using an error with preallocated backtrace;
180 // otherwise return the given default error.
181 static oop gen_out_of_memory_error(oop default_err);
182
263 return check_mirror(_mirrors[t]);
264 }
265 static oop main_thread_group() { return _main_thread_group; }
266 static void set_main_thread_group(oop group) { _main_thread_group = group;}
267
268 static oop system_thread_group() { return _system_thread_group; }
269 static void set_system_thread_group(oop group) { _system_thread_group = group;}
270
271 static objArrayOop the_empty_class_klass_array () { return _the_empty_class_klass_array; }
272 static Array<Klass*>* the_array_interfaces_array() { return _the_array_interfaces_array; }
273 static oop the_null_string() { return _the_null_string; }
274 static oop the_min_jint_string() { return _the_min_jint_string; }
275
276 static Method* finalizer_register_method() { return _finalizer_register_cache->get_method(); }
277 static Method* loader_addClass_method() { return _loader_addClass_cache->get_method(); }
278
279 static Method* throw_illegal_access_error() { return _throw_illegal_access_error_cache->get_method(); }
280 static Method* throw_no_such_method_error() { return _throw_no_such_method_error_cache->get_method(); }
281
282 static Method* do_stack_walk_method() { return _do_stack_walk_cache->get_method(); }
283
284 static oop the_null_sentinel() { return _the_null_sentinel; }
285 static address the_null_sentinel_addr() { return (address) &_the_null_sentinel; }
286
287 // Function to initialize these
288 static void initialize_known_methods(TRAPS);
289
290 static oop null_ptr_exception_instance() { return _null_ptr_exception_instance; }
291 static oop arithmetic_exception_instance() { return _arithmetic_exception_instance; }
292 static oop virtual_machine_error_instance() { return _virtual_machine_error_instance; }
293 static oop vm_exception() { return _vm_exception; }
294
295 // Reference pending list manipulation. Access is protected by
296 // Heap_lock. The getter, setter and predicate require the caller
297 // owns the lock. Swap is used by parallel non-concurrent reference
298 // processing threads, where some higher level controller owns
299 // Heap_lock, so requires the lock is locked, but not necessarily by
300 // the current thread.
301 static oop reference_pending_list();
302 static void set_reference_pending_list(oop list);
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101 static oop _double_mirror;
102 static oop _byte_mirror;
103 static oop _bool_mirror;
104 static oop _char_mirror;
105 static oop _long_mirror;
106 static oop _short_mirror;
107 static oop _void_mirror;
108
109 static oop _main_thread_group; // Reference to the main thread group object
110 static oop _system_thread_group; // Reference to the system thread group object
111
112 static objArrayOop _the_empty_class_klass_array; // Canonicalized obj array of type java.lang.Class
113 static oop _the_null_sentinel; // A unique object pointer unused except as a sentinel for null.
114 static oop _the_null_string; // A cache of "null" as a Java string
115 static oop _the_min_jint_string; // A cache of "-2147483648" as a Java string
116 static LatestMethodCache* _finalizer_register_cache; // static method for registering finalizable objects
117 static LatestMethodCache* _loader_addClass_cache; // method for registering loaded classes in class loader vector
118 static LatestMethodCache* _throw_illegal_access_error_cache; // Unsafe.throwIllegalAccessError() method
119 static LatestMethodCache* _throw_no_such_method_error_cache; // Unsafe.throwNoSuchMethodError() method
120 static LatestMethodCache* _do_stack_walk_cache; // method for stack walker callback
121 static LatestMethodCache* _is_substitutable_cache; // ValueBootstrapMethods.isSubstitutable() method
122
123 // preallocated error objects (no backtrace)
124 static oop _out_of_memory_error_java_heap;
125 static oop _out_of_memory_error_metaspace;
126 static oop _out_of_memory_error_class_metaspace;
127 static oop _out_of_memory_error_array_size;
128 static oop _out_of_memory_error_gc_overhead_limit;
129 static oop _out_of_memory_error_realloc_objects;
130 static oop _out_of_memory_error_retry;
131
132 // preallocated cause message for delayed StackOverflowError
133 static oop _delayed_stack_overflow_error_message;
134
135 static Array<int>* _the_empty_int_array; // Canonicalized int array
136 static Array<u2>* _the_empty_short_array; // Canonicalized short array
137 static Array<Klass*>* _the_empty_klass_array; // Canonicalized klass array
138 static Array<InstanceKlass*>* _the_empty_instance_klass_array; // Canonicalized instance klass array
139 static Array<Method*>* _the_empty_method_array; // Canonicalized method array
140
141 static Array<Klass*>* _the_array_interfaces_array;
144 static objArrayOop _preallocated_out_of_memory_error_array;
145
146 // number of preallocated error objects available for use
147 static volatile jint _preallocated_out_of_memory_error_avail_count;
148
149 static oop _null_ptr_exception_instance; // preallocated exception object
150 static oop _arithmetic_exception_instance; // preallocated exception object
151 static oop _virtual_machine_error_instance; // preallocated exception object
152 // The object used as an exception dummy when exceptions are thrown for
153 // the vm thread.
154 static oop _vm_exception;
155
156 // References waiting to be transferred to the ReferenceHandler
157 static oop _reference_pending_list;
158
159 // The particular choice of collected heap.
160 static CollectedHeap* _collectedHeap;
161
162 static intptr_t _non_oop_bits;
163
164
165 // array of dummy objects used with +FullGCAlot
166 debug_only(static objArrayOop _fullgc_alot_dummy_array;)
167 // index of next entry to clear
168 debug_only(static int _fullgc_alot_dummy_next;)
169
170 // Compiler/dispatch support
171 static int _base_vtable_size; // Java vtbl size of klass Object (in words)
172
173 // Initialization
174 static bool _bootstrapping; // true during genesis
175 static bool _module_initialized; // true after call_initPhase2 called
176 static bool _fully_initialized; // true after universe_init and initialize_vtables called
177
178 // the array of preallocated errors with backtraces
179 static objArrayOop preallocated_out_of_memory_errors() { return _preallocated_out_of_memory_error_array; }
180
181 // generate an out of memory error; if possible using an error with preallocated backtrace;
182 // otherwise return the given default error.
183 static oop gen_out_of_memory_error(oop default_err);
184
265 return check_mirror(_mirrors[t]);
266 }
267 static oop main_thread_group() { return _main_thread_group; }
268 static void set_main_thread_group(oop group) { _main_thread_group = group;}
269
270 static oop system_thread_group() { return _system_thread_group; }
271 static void set_system_thread_group(oop group) { _system_thread_group = group;}
272
273 static objArrayOop the_empty_class_klass_array () { return _the_empty_class_klass_array; }
274 static Array<Klass*>* the_array_interfaces_array() { return _the_array_interfaces_array; }
275 static oop the_null_string() { return _the_null_string; }
276 static oop the_min_jint_string() { return _the_min_jint_string; }
277
278 static Method* finalizer_register_method() { return _finalizer_register_cache->get_method(); }
279 static Method* loader_addClass_method() { return _loader_addClass_cache->get_method(); }
280
281 static Method* throw_illegal_access_error() { return _throw_illegal_access_error_cache->get_method(); }
282 static Method* throw_no_such_method_error() { return _throw_no_such_method_error_cache->get_method(); }
283
284 static Method* do_stack_walk_method() { return _do_stack_walk_cache->get_method(); }
285
286 static Method* is_substitutable_method() { return _is_substitutable_cache->get_method(); }
287
288 static oop the_null_sentinel() { return _the_null_sentinel; }
289 static address the_null_sentinel_addr() { return (address) &_the_null_sentinel; }
290
291 // Function to initialize these
292 static void initialize_known_methods(TRAPS);
293
294 static oop null_ptr_exception_instance() { return _null_ptr_exception_instance; }
295 static oop arithmetic_exception_instance() { return _arithmetic_exception_instance; }
296 static oop virtual_machine_error_instance() { return _virtual_machine_error_instance; }
297 static oop vm_exception() { return _vm_exception; }
298
299 // Reference pending list manipulation. Access is protected by
300 // Heap_lock. The getter, setter and predicate require the caller
301 // owns the lock. Swap is used by parallel non-concurrent reference
302 // processing threads, where some higher level controller owns
303 // Heap_lock, so requires the lock is locked, but not necessarily by
304 // the current thread.
305 static oop reference_pending_list();
306 static void set_reference_pending_list(oop list);
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