96 };
97
98 typedef const TypeFunc*(*TypeFunc_generator)();
99
100 // define OptoStubId enum tags: uncommon_trap_id etc
101
102 #define C2_BLOB_ID_ENUM_DECLARE(name, type) STUB_ID_NAME(name),
103 #define C2_STUB_ID_ENUM_DECLARE(name, f, t, r) STUB_ID_NAME(name),
104 #define C2_JVMTI_STUB_ID_ENUM_DECLARE(name) STUB_ID_NAME(name),
105 enum class OptoStubId :int {
106 NO_STUBID = -1,
107 C2_STUBS_DO(C2_BLOB_ID_ENUM_DECLARE, C2_STUB_ID_ENUM_DECLARE, C2_JVMTI_STUB_ID_ENUM_DECLARE)
108 NUM_STUBIDS
109 };
110 #undef C2_BLOB_ID_ENUM_DECLARE
111 #undef C2_STUB_ID_ENUM_DECLARE
112 #undef C2_JVMTI_STUB_ID_ENUM_DECLARE
113
114 class OptoRuntime : public AllStatic {
115 friend class Matcher; // allow access to stub names
116
117 private:
118 // declare opto stub address/blob holder static fields
119 #define C2_BLOB_FIELD_DECLARE(name, type) \
120 static type BLOB_FIELD_NAME(name);
121 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
122 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
123 static address C2_STUB_FIELD_NAME(name) ;
124 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
125 static address STUB_FIELD_NAME(name);
126
127 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
128
129 #undef C2_BLOB_FIELD_DECLARE
130 #undef C2_STUB_FIELD_NAME
131 #undef C2_STUB_FIELD_DECLARE
132 #undef C2_JVMTI_STUB_FIELD_DECLARE
133
134 // static TypeFunc* data members
135 static const TypeFunc* _new_instance_Type;
136 static const TypeFunc* _new_array_Type;
194 static const TypeFunc* _updateBytesCRC32_Type;
195 static const TypeFunc* _updateBytesCRC32C_Type;
196 static const TypeFunc* _updateBytesAdler32_Type;
197 static const TypeFunc* _osr_end_Type;
198 static const TypeFunc* _register_finalizer_Type;
199 #if INCLUDE_JFR
200 static const TypeFunc* _class_id_load_barrier_Type;
201 #endif // INCLUDE_JFR
202 #if INCLUDE_JVMTI
203 static const TypeFunc* _notify_jvmti_vthread_Type;
204 #endif // INCLUDE_JVMTI
205 static const TypeFunc* _dtrace_method_entry_exit_Type;
206 static const TypeFunc* _dtrace_object_alloc_Type;
207
208 // Stub names indexed by sharedStubId
209 static const char *_stub_names[];
210
211 // define stubs
212 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, int is_fancy_jump, bool pass_tls, bool return_pc);
213
214 //
215 // Implementation of runtime methods
216 // =================================
217
218 // Allocate storage for a Java instance.
219 static void new_instance_C(Klass* instance_klass, JavaThread* current);
220
221 // Allocate storage for a objArray or typeArray
222 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
223 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
224
225 // Allocate storage for a multi-dimensional arrays
226 // Note: needs to be fixed for arbitrary number of dimensions
227 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
228 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
229 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
230 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
231 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
232
233 // local methods passed as arguments to stub generator that forward
244 private:
245
246 // Implicit exception support
247 static void throw_null_exception_C(JavaThread* thread);
248
249 // Exception handling
250 static address handle_exception_C (JavaThread* current);
251 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
252 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
253 static void deoptimize_caller_frame (JavaThread *thread);
254 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
255 static bool is_deoptimized_caller_frame (JavaThread *thread);
256
257 // CodeBlob support
258 // ===================================================================
259
260 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
261 static ExceptionBlob* generate_exception_blob();
262
263 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
264
265 public:
266
267 static bool is_callee_saved_register(MachRegisterNumbers reg);
268
269 // One time only generate runtime code stubs. Returns true
270 // when runtime stubs have been generated successfully and
271 // false otherwise.
272 static bool generate(ciEnv* env);
273
274 // Returns the name of a stub
275 static const char* stub_name(address entry);
276
277 // Returns the name associated with a given stub id
278 static const char* stub_name(OptoStubId id) {
279 assert(id > OptoStubId::NO_STUBID && id < OptoStubId::NUM_STUBIDS, "stub id out of range");
280 return _stub_names[(int)id];
281 }
282
283 // access to runtime stubs entry points for java code
284 static address new_instance_Java() { return _new_instance_Java; }
285 static address new_array_Java() { return _new_array_Java; }
286 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
287 static address multianewarray2_Java() { return _multianewarray2_Java; }
288 static address multianewarray3_Java() { return _multianewarray3_Java; }
289 static address multianewarray4_Java() { return _multianewarray4_Java; }
290 static address multianewarray5_Java() { return _multianewarray5_Java; }
291 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
292 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
293 static address monitor_notify_Java() { return _monitor_notify_Java; }
294 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
295
296 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
297 static address register_finalizer_Java() { return _register_finalizer_Java; }
298 #if INCLUDE_JVMTI
299 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
300 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
301 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
302 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
303 #endif
304
305 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
306 static ExceptionBlob* exception_blob() { return _exception_blob; }
307
308 // Implicit exception support
309 static void throw_div0_exception_C (JavaThread* thread);
310 static void throw_stack_overflow_error_C(JavaThread* thread);
311
312 // Exception handling
313 static address rethrow_stub() { return _rethrow_Java; }
314
315
316 // Type functions
317 // ======================================================
671
672
673 // leaf on stack replacement interpreter accessor types
674 static inline const TypeFunc* osr_end_Type() {
675 assert(_osr_end_Type != nullptr, "should be initialized");
676 return _osr_end_Type;
677 }
678
679 static inline const TypeFunc* register_finalizer_Type() {
680 assert(_register_finalizer_Type != nullptr, "should be initialized");
681 return _register_finalizer_Type;
682 }
683
684 #if INCLUDE_JFR
685 static inline const TypeFunc* class_id_load_barrier_Type() {
686 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
687 return _class_id_load_barrier_Type;
688 }
689 #endif // INCLUDE_JFR
690
691 #if INCLUDE_JVMTI
692 static inline const TypeFunc* notify_jvmti_vthread_Type() {
693 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
694 return _notify_jvmti_vthread_Type;
695 }
696 #endif
697
698 // Dtrace support. entry and exit probes have the same signature
699 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
700 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
701 return _dtrace_method_entry_exit_Type;
702 }
703
704 static inline const TypeFunc* dtrace_object_alloc_Type() {
705 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
706 return _dtrace_object_alloc_Type;
707 }
708
709 private:
710 static NamedCounter * volatile _named_counters;
711
712 public:
713 // helper function which creates a named counter labeled with the
714 // if they are available
715 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
716
717 // dumps all the named counters
718 static void print_named_counters();
719
720 static void initialize_types();
721 };
722
723 #endif // SHARE_OPTO_RUNTIME_HPP
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96 };
97
98 typedef const TypeFunc*(*TypeFunc_generator)();
99
100 // define OptoStubId enum tags: uncommon_trap_id etc
101
102 #define C2_BLOB_ID_ENUM_DECLARE(name, type) STUB_ID_NAME(name),
103 #define C2_STUB_ID_ENUM_DECLARE(name, f, t, r) STUB_ID_NAME(name),
104 #define C2_JVMTI_STUB_ID_ENUM_DECLARE(name) STUB_ID_NAME(name),
105 enum class OptoStubId :int {
106 NO_STUBID = -1,
107 C2_STUBS_DO(C2_BLOB_ID_ENUM_DECLARE, C2_STUB_ID_ENUM_DECLARE, C2_JVMTI_STUB_ID_ENUM_DECLARE)
108 NUM_STUBIDS
109 };
110 #undef C2_BLOB_ID_ENUM_DECLARE
111 #undef C2_STUB_ID_ENUM_DECLARE
112 #undef C2_JVMTI_STUB_ID_ENUM_DECLARE
113
114 class OptoRuntime : public AllStatic {
115 friend class Matcher; // allow access to stub names
116 friend class SCAddressTable;
117 private:
118 // declare opto stub address/blob holder static fields
119 #define C2_BLOB_FIELD_DECLARE(name, type) \
120 static type BLOB_FIELD_NAME(name);
121 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
122 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
123 static address C2_STUB_FIELD_NAME(name) ;
124 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
125 static address STUB_FIELD_NAME(name);
126
127 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
128
129 #undef C2_BLOB_FIELD_DECLARE
130 #undef C2_STUB_FIELD_NAME
131 #undef C2_STUB_FIELD_DECLARE
132 #undef C2_JVMTI_STUB_FIELD_DECLARE
133
134 // static TypeFunc* data members
135 static const TypeFunc* _new_instance_Type;
136 static const TypeFunc* _new_array_Type;
194 static const TypeFunc* _updateBytesCRC32_Type;
195 static const TypeFunc* _updateBytesCRC32C_Type;
196 static const TypeFunc* _updateBytesAdler32_Type;
197 static const TypeFunc* _osr_end_Type;
198 static const TypeFunc* _register_finalizer_Type;
199 #if INCLUDE_JFR
200 static const TypeFunc* _class_id_load_barrier_Type;
201 #endif // INCLUDE_JFR
202 #if INCLUDE_JVMTI
203 static const TypeFunc* _notify_jvmti_vthread_Type;
204 #endif // INCLUDE_JVMTI
205 static const TypeFunc* _dtrace_method_entry_exit_Type;
206 static const TypeFunc* _dtrace_object_alloc_Type;
207
208 // Stub names indexed by sharedStubId
209 static const char *_stub_names[];
210
211 // define stubs
212 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, int is_fancy_jump, bool pass_tls, bool return_pc);
213
214 static address _vtable_must_compile_Java;
215
216 //
217 // Implementation of runtime methods
218 // =================================
219
220 // Allocate storage for a Java instance.
221 static void new_instance_C(Klass* instance_klass, JavaThread* current);
222
223 // Allocate storage for a objArray or typeArray
224 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
225 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
226
227 // Allocate storage for a multi-dimensional arrays
228 // Note: needs to be fixed for arbitrary number of dimensions
229 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
230 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
231 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
232 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
233 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
234
235 // local methods passed as arguments to stub generator that forward
246 private:
247
248 // Implicit exception support
249 static void throw_null_exception_C(JavaThread* thread);
250
251 // Exception handling
252 static address handle_exception_C (JavaThread* current);
253 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
254 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
255 static void deoptimize_caller_frame (JavaThread *thread);
256 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
257 static bool is_deoptimized_caller_frame (JavaThread *thread);
258
259 // CodeBlob support
260 // ===================================================================
261
262 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
263 static ExceptionBlob* generate_exception_blob();
264
265 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
266 static void class_init_barrier_C(Klass* k, JavaThread* current);
267 public:
268
269 static bool is_callee_saved_register(MachRegisterNumbers reg);
270
271 // One time only generate runtime code stubs. Returns true
272 // when runtime stubs have been generated successfully and
273 // false otherwise.
274 static bool generate(ciEnv* env);
275
276 // Returns the name of a stub
277 static const char* stub_name(address entry);
278
279 // Returns the name associated with a given stub id
280 static const char* stub_name(OptoStubId id) {
281 assert(id > OptoStubId::NO_STUBID && id < OptoStubId::NUM_STUBIDS, "stub id out of range");
282 return _stub_names[(int)id];
283 }
284
285 // access to runtime stubs entry points for java code
286 static address new_instance_Java() { return _new_instance_Java; }
287 static address new_array_Java() { return _new_array_Java; }
288 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
289 static address multianewarray2_Java() { return _multianewarray2_Java; }
290 static address multianewarray3_Java() { return _multianewarray3_Java; }
291 static address multianewarray4_Java() { return _multianewarray4_Java; }
292 static address multianewarray5_Java() { return _multianewarray5_Java; }
293 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
294 static address vtable_must_compile_stub() { return _vtable_must_compile_Java; }
295 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
296 static address monitor_notify_Java() { return _monitor_notify_Java; }
297 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
298
299 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
300 static address register_finalizer_Java() { return _register_finalizer_Java; }
301 static address class_init_barrier_Java() { return _class_init_barrier_Java; }
302 #if INCLUDE_JVMTI
303 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
304 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
305 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
306 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
307 #endif
308
309 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
310 static ExceptionBlob* exception_blob() { return _exception_blob; }
311
312 // Implicit exception support
313 static void throw_div0_exception_C (JavaThread* thread);
314 static void throw_stack_overflow_error_C(JavaThread* thread);
315
316 // Exception handling
317 static address rethrow_stub() { return _rethrow_Java; }
318
319
320 // Type functions
321 // ======================================================
675
676
677 // leaf on stack replacement interpreter accessor types
678 static inline const TypeFunc* osr_end_Type() {
679 assert(_osr_end_Type != nullptr, "should be initialized");
680 return _osr_end_Type;
681 }
682
683 static inline const TypeFunc* register_finalizer_Type() {
684 assert(_register_finalizer_Type != nullptr, "should be initialized");
685 return _register_finalizer_Type;
686 }
687
688 #if INCLUDE_JFR
689 static inline const TypeFunc* class_id_load_barrier_Type() {
690 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
691 return _class_id_load_barrier_Type;
692 }
693 #endif // INCLUDE_JFR
694
695 static const TypeFunc* class_init_barrier_Type();
696
697 #if INCLUDE_JVMTI
698 static inline const TypeFunc* notify_jvmti_vthread_Type() {
699 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
700 return _notify_jvmti_vthread_Type;
701 }
702 #endif
703
704 // runtime upcalls support
705 static const TypeFunc* runtime_up_call_Type();
706
707 // Dtrace support. entry and exit probes have the same signature
708 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
709 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
710 return _dtrace_method_entry_exit_Type;
711 }
712
713 static inline const TypeFunc* dtrace_object_alloc_Type() {
714 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
715 return _dtrace_object_alloc_Type;
716 }
717
718 private:
719 static NamedCounter * volatile _named_counters;
720
721 public:
722 // helper function which creates a named counter labeled with the
723 // if they are available
724 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
725
726 // dumps all the named counters
727 static void print_named_counters();
728
729 public:
730 static void init_counters();
731 static void print_counters_on(outputStream* st);
732 static void initialize_types();
733 };
734
735 #endif // SHARE_OPTO_RUNTIME_HPP
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