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src/hotspot/share/opto/runtime.hpp

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131   static const TypeFunc* _multianewarray5_Type;
132   static const TypeFunc* _multianewarrayN_Type;
133   static const TypeFunc* _complete_monitor_enter_Type;
134   static const TypeFunc* _complete_monitor_exit_Type;
135   static const TypeFunc* _monitor_notify_Type;
136   static const TypeFunc* _uncommon_trap_Type;
137   static const TypeFunc* _athrow_Type;
138   static const TypeFunc* _rethrow_Type;
139   static const TypeFunc* _Math_D_D_Type;
140   static const TypeFunc* _Math_DD_D_Type;
141   static const TypeFunc* _modf_Type;
142   static const TypeFunc* _l2f_Type;
143   static const TypeFunc* _void_long_Type;
144   static const TypeFunc* _void_void_Type;
145   static const TypeFunc* _jfr_write_checkpoint_Type;
146   static const TypeFunc* _flush_windows_Type;
147   static const TypeFunc* _fast_arraycopy_Type;
148   static const TypeFunc* _checkcast_arraycopy_Type;
149   static const TypeFunc* _generic_arraycopy_Type;
150   static const TypeFunc* _slow_arraycopy_Type;

151   static const TypeFunc* _unsafe_setmemory_Type;
152   static const TypeFunc* _array_fill_Type;
153   static const TypeFunc* _array_sort_Type;
154   static const TypeFunc* _array_partition_Type;
155   static const TypeFunc* _aescrypt_block_Type;
156   static const TypeFunc* _cipherBlockChaining_aescrypt_Type;
157   static const TypeFunc* _electronicCodeBook_aescrypt_Type;
158   static const TypeFunc* _counterMode_aescrypt_Type;
159   static const TypeFunc* _galoisCounterMode_aescrypt_Type;
160   static const TypeFunc* _digestBase_implCompress_with_sha3_Type;
161   static const TypeFunc* _digestBase_implCompress_without_sha3_Type;
162   static const TypeFunc* _digestBase_implCompressMB_with_sha3_Type;
163   static const TypeFunc* _digestBase_implCompressMB_without_sha3_Type;
164   static const TypeFunc* _double_keccak_Type;
165   static const TypeFunc* _multiplyToLen_Type;
166   static const TypeFunc* _montgomeryMultiply_Type;
167   static const TypeFunc* _montgomerySquare_Type;
168   static const TypeFunc* _squareToLen_Type;
169   static const TypeFunc* _mulAdd_Type;
170   static const TypeFunc* _bigIntegerShift_Type;

187   static const TypeFunc* _base64_decodeBlock_Type;
188   static const TypeFunc* _string_IndexOf_Type;
189   static const TypeFunc* _poly1305_processBlocks_Type;
190   static const TypeFunc* _intpoly_montgomeryMult_P256_Type;
191   static const TypeFunc* _intpoly_assign_Type;
192   static const TypeFunc* _updateBytesCRC32_Type;
193   static const TypeFunc* _updateBytesCRC32C_Type;
194   static const TypeFunc* _updateBytesAdler32_Type;
195   static const TypeFunc* _osr_end_Type;
196   static const TypeFunc* _register_finalizer_Type;
197   static const TypeFunc* _vthread_transition_Type;
198 #if INCLUDE_JFR
199   static const TypeFunc* _class_id_load_barrier_Type;
200 #endif // INCLUDE_JFR
201   static const TypeFunc* _dtrace_method_entry_exit_Type;
202   static const TypeFunc* _dtrace_object_alloc_Type;
203 
204   // define stubs
205   static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, StubId stub_id, int is_fancy_jump, bool pass_tls, bool return_pc);
206 


207   //
208   // Implementation of runtime methods
209   // =================================
210 
211   // Allocate storage for a Java instance.
212   static void new_instance_C(Klass* instance_klass, JavaThread* current);
213 
214   // Allocate storage for a objArray or typeArray
215   static void new_array_C(Klass* array_klass, int len, JavaThread* current);
216   static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
217 
218   // Allocate storage for a multi-dimensional arrays
219   // Note: needs to be fixed for arbitrary number of dimensions
220   static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
221   static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
222   static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
223   static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
224   static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
225 
226   // local methods passed as arguments to stub generator that forward
227   // control to corresponding JRT methods of SharedRuntime
228   static void slow_arraycopy_C(oopDesc* src,  jint src_pos,
229                                oopDesc* dest, jint dest_pos,
230                                jint length, JavaThread* thread);
231   static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);

232 
233 public:
234   static void monitor_notify_C(oopDesc* obj, JavaThread* current);
235   static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
236 
237   static void vthread_end_first_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
238   static void vthread_start_final_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
239   static void vthread_start_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
240   static void vthread_end_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
241 
242 private:
243 
244   // Implicit exception support
245   static void throw_null_exception_C(JavaThread* thread);
246 
247   // Exception handling
248   static address handle_exception_C       (JavaThread* current);
249   static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
250   static address rethrow_C                (oopDesc* exception, JavaThread *thread, address return_pc );
251   static void deoptimize_caller_frame     (JavaThread *thread);
252   static void deoptimize_caller_frame     (JavaThread *thread, bool doit);
253   static bool is_deoptimized_caller_frame (JavaThread *thread);
254 
255   // CodeBlob support
256   // ===================================================================
257 
258   static UncommonTrapBlob* generate_uncommon_trap_blob(void);
259   static ExceptionBlob* generate_exception_blob();
260 
261   static void register_finalizer_C(oopDesc* obj, JavaThread* current);
262 
263  public:
264 
265   static bool is_callee_saved_register(MachRegisterNumbers reg);
266 
267   // One time only generate runtime code stubs. Returns true
268   // when runtime stubs have been generated successfully and
269   // false otherwise.
270   static bool generate(ciEnv* env);
271 
272   // Returns the name of a stub
273   static const char* stub_name(address entry);
274 
275   // Returns the name associated with a given stub id
276   static const char* stub_name(StubId id) {
277     assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
278     return StubInfo::name(id);
279   }
280 
281   // access to runtime stubs entry points for java code
282   static address new_instance_Java()                     { return _new_instance_Java; }
283   static address new_array_Java()                        { return _new_array_Java; }
284   static address new_array_nozero_Java()                 { return _new_array_nozero_Java; }
285   static address multianewarray2_Java()                  { return _multianewarray2_Java; }
286   static address multianewarray3_Java()                  { return _multianewarray3_Java; }
287   static address multianewarray4_Java()                  { return _multianewarray4_Java; }
288   static address multianewarray5_Java()                  { return _multianewarray5_Java; }
289   static address multianewarrayN_Java()                  { return _multianewarrayN_Java; }

290   static address complete_monitor_locking_Java()         { return _complete_monitor_locking_Java; }
291   static address monitor_notify_Java()                   { return _monitor_notify_Java; }
292   static address monitor_notifyAll_Java()                { return _monitor_notifyAll_Java; }
293 
294   static address slow_arraycopy_Java()                   { return _slow_arraycopy_Java; }
295   static address register_finalizer_Java()               { return _register_finalizer_Java; }


296 
297   static address vthread_end_first_transition_Java()     { return _vthread_end_first_transition_Java; }
298   static address vthread_start_final_transition_Java()   { return _vthread_start_final_transition_Java; }
299   static address vthread_start_transition_Java()         { return _vthread_start_transition_Java; }
300   static address vthread_end_transition_Java()           { return _vthread_end_transition_Java; }
301 
302   static UncommonTrapBlob* uncommon_trap_blob()                  { return _uncommon_trap_blob; }
303   static ExceptionBlob*    exception_blob()                      { return _exception_blob; }
304 
305   // Implicit exception support
306   static void throw_div0_exception_C      (JavaThread* thread);
307   static void throw_stack_overflow_error_C(JavaThread* thread);
308 
309   // Exception handling
310   static address rethrow_stub()             { return _rethrow_Java; }
311 
312 
313   // Type functions
314   // ======================================================
315 

443 
444   static inline const TypeFunc* checkcast_arraycopy_Type() {
445     assert(_checkcast_arraycopy_Type != nullptr, "should be initialized");
446     // An extension of fast_arraycopy_Type which adds type checking.
447     return _checkcast_arraycopy_Type;
448   }
449 
450   static inline const TypeFunc* generic_arraycopy_Type() {
451     assert(_generic_arraycopy_Type != nullptr, "should be initialized");
452     // This signature is like System.arraycopy, except that it returns status.
453     return _generic_arraycopy_Type;
454   }
455 
456   static inline const TypeFunc* slow_arraycopy_Type() {
457     assert(_slow_arraycopy_Type != nullptr, "should be initialized");
458     // This signature is exactly the same as System.arraycopy.
459     // There are no intptr_t (int/long) arguments.
460     return _slow_arraycopy_Type;
461   }   // the full routine
462 





463   static inline const TypeFunc* unsafe_setmemory_Type() {
464     assert(_unsafe_setmemory_Type != nullptr, "should be initialized");
465     return _unsafe_setmemory_Type;
466   }
467 
468 //  static const TypeFunc* digestBase_implCompress_Type(bool is_sha3);
469 //  static const TypeFunc* digestBase_implCompressMB_Type(bool is_sha3);
470 //  static const TypeFunc* double_keccak_Type();
471 
472   static inline const TypeFunc* array_fill_Type() {
473     assert(_array_fill_Type != nullptr, "should be initialized");
474     return _array_fill_Type;
475   }
476 
477   static inline const TypeFunc* array_sort_Type() {
478     assert(_array_sort_Type != nullptr, "should be initialized");
479     return _array_sort_Type;
480   }
481 
482   static inline const TypeFunc* array_partition_Type() {

728 
729   static inline const TypeFunc* vthread_start_final_transition_Type() {
730     return vthread_transition_Type();
731   }
732 
733   static inline const TypeFunc* vthread_start_transition_Type() {
734     return vthread_transition_Type();
735   }
736 
737   static inline const TypeFunc* vthread_end_transition_Type() {
738     return vthread_transition_Type();
739   }
740 
741 #if INCLUDE_JFR
742   static inline const TypeFunc* class_id_load_barrier_Type() {
743     assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
744     return _class_id_load_barrier_Type;
745   }
746 #endif // INCLUDE_JFR
747 





748   // Dtrace support. entry and exit probes have the same signature
749   static inline const TypeFunc* dtrace_method_entry_exit_Type() {
750     assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
751     return _dtrace_method_entry_exit_Type;
752   }
753 
754   static inline const TypeFunc* dtrace_object_alloc_Type() {
755     assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
756     return _dtrace_object_alloc_Type;
757   }
758 
759 #ifndef PRODUCT
760   // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
761   // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
762   // one for the static string
763   static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
764                                           Node* parm2 = nullptr, Node* parm3 = nullptr,
765                                           Node* parm4 = nullptr, Node* parm5 = nullptr,
766                                           Node* parm6 = nullptr);
767 #endif // PRODUCT
768 
769  private:
770  static NamedCounter * volatile _named_counters;
771 
772  public:
773  // helper function which creates a named counter labeled with the
774  // if they are available
775  static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
776 
777  // dumps all the named counters
778  static void          print_named_counters();
779 



780  static void          initialize_types();
781 };
782 
783 #endif // SHARE_OPTO_RUNTIME_HPP

131   static const TypeFunc* _multianewarray5_Type;
132   static const TypeFunc* _multianewarrayN_Type;
133   static const TypeFunc* _complete_monitor_enter_Type;
134   static const TypeFunc* _complete_monitor_exit_Type;
135   static const TypeFunc* _monitor_notify_Type;
136   static const TypeFunc* _uncommon_trap_Type;
137   static const TypeFunc* _athrow_Type;
138   static const TypeFunc* _rethrow_Type;
139   static const TypeFunc* _Math_D_D_Type;
140   static const TypeFunc* _Math_DD_D_Type;
141   static const TypeFunc* _modf_Type;
142   static const TypeFunc* _l2f_Type;
143   static const TypeFunc* _void_long_Type;
144   static const TypeFunc* _void_void_Type;
145   static const TypeFunc* _jfr_write_checkpoint_Type;
146   static const TypeFunc* _flush_windows_Type;
147   static const TypeFunc* _fast_arraycopy_Type;
148   static const TypeFunc* _checkcast_arraycopy_Type;
149   static const TypeFunc* _generic_arraycopy_Type;
150   static const TypeFunc* _slow_arraycopy_Type;
151   static const TypeFunc* _compile_method_Type;
152   static const TypeFunc* _unsafe_setmemory_Type;
153   static const TypeFunc* _array_fill_Type;
154   static const TypeFunc* _array_sort_Type;
155   static const TypeFunc* _array_partition_Type;
156   static const TypeFunc* _aescrypt_block_Type;
157   static const TypeFunc* _cipherBlockChaining_aescrypt_Type;
158   static const TypeFunc* _electronicCodeBook_aescrypt_Type;
159   static const TypeFunc* _counterMode_aescrypt_Type;
160   static const TypeFunc* _galoisCounterMode_aescrypt_Type;
161   static const TypeFunc* _digestBase_implCompress_with_sha3_Type;
162   static const TypeFunc* _digestBase_implCompress_without_sha3_Type;
163   static const TypeFunc* _digestBase_implCompressMB_with_sha3_Type;
164   static const TypeFunc* _digestBase_implCompressMB_without_sha3_Type;
165   static const TypeFunc* _double_keccak_Type;
166   static const TypeFunc* _multiplyToLen_Type;
167   static const TypeFunc* _montgomeryMultiply_Type;
168   static const TypeFunc* _montgomerySquare_Type;
169   static const TypeFunc* _squareToLen_Type;
170   static const TypeFunc* _mulAdd_Type;
171   static const TypeFunc* _bigIntegerShift_Type;

188   static const TypeFunc* _base64_decodeBlock_Type;
189   static const TypeFunc* _string_IndexOf_Type;
190   static const TypeFunc* _poly1305_processBlocks_Type;
191   static const TypeFunc* _intpoly_montgomeryMult_P256_Type;
192   static const TypeFunc* _intpoly_assign_Type;
193   static const TypeFunc* _updateBytesCRC32_Type;
194   static const TypeFunc* _updateBytesCRC32C_Type;
195   static const TypeFunc* _updateBytesAdler32_Type;
196   static const TypeFunc* _osr_end_Type;
197   static const TypeFunc* _register_finalizer_Type;
198   static const TypeFunc* _vthread_transition_Type;
199 #if INCLUDE_JFR
200   static const TypeFunc* _class_id_load_barrier_Type;
201 #endif // INCLUDE_JFR
202   static const TypeFunc* _dtrace_method_entry_exit_Type;
203   static const TypeFunc* _dtrace_object_alloc_Type;
204 
205   // define stubs
206   static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, StubId stub_id, int is_fancy_jump, bool pass_tls, bool return_pc);
207 
208   static address _vtable_must_compile_Java;
209 
210   //
211   // Implementation of runtime methods
212   // =================================
213 
214   // Allocate storage for a Java instance.
215   static void new_instance_C(Klass* instance_klass, JavaThread* current);
216 
217   // Allocate storage for a objArray or typeArray
218   static void new_array_C(Klass* array_klass, int len, JavaThread* current);
219   static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
220 
221   // Allocate storage for a multi-dimensional arrays
222   // Note: needs to be fixed for arbitrary number of dimensions
223   static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
224   static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
225   static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
226   static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
227   static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
228 
229   // local methods passed as arguments to stub generator that forward
230   // control to corresponding JRT methods of SharedRuntime
231   static void slow_arraycopy_C(oopDesc* src,  jint src_pos,
232                                oopDesc* dest, jint dest_pos,
233                                jint length, JavaThread* thread);
234   static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
235   static void compile_method_C(Method* method, JavaThread* current);
236 
237 public:
238   static void monitor_notify_C(oopDesc* obj, JavaThread* current);
239   static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
240 
241   static void vthread_end_first_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
242   static void vthread_start_final_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
243   static void vthread_start_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
244   static void vthread_end_transition_C(oopDesc* vt, jboolean hide, JavaThread* current);
245 
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(StubId id) {
281     assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
282     return StubInfo::name(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   static address compile_method_Java()                   { return _compile_method_Java; }
303 
304   static address vthread_end_first_transition_Java()     { return _vthread_end_first_transition_Java; }
305   static address vthread_start_final_transition_Java()   { return _vthread_start_final_transition_Java; }
306   static address vthread_start_transition_Java()         { return _vthread_start_transition_Java; }
307   static address vthread_end_transition_Java()           { return _vthread_end_transition_Java; }
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   // ======================================================
322 

450 
451   static inline const TypeFunc* checkcast_arraycopy_Type() {
452     assert(_checkcast_arraycopy_Type != nullptr, "should be initialized");
453     // An extension of fast_arraycopy_Type which adds type checking.
454     return _checkcast_arraycopy_Type;
455   }
456 
457   static inline const TypeFunc* generic_arraycopy_Type() {
458     assert(_generic_arraycopy_Type != nullptr, "should be initialized");
459     // This signature is like System.arraycopy, except that it returns status.
460     return _generic_arraycopy_Type;
461   }
462 
463   static inline const TypeFunc* slow_arraycopy_Type() {
464     assert(_slow_arraycopy_Type != nullptr, "should be initialized");
465     // This signature is exactly the same as System.arraycopy.
466     // There are no intptr_t (int/long) arguments.
467     return _slow_arraycopy_Type;
468   }   // the full routine
469 
470   static inline const TypeFunc* compile_method_Type() {
471     assert(_compile_method_Type != nullptr, "should be initialized");
472     return _compile_method_Type;
473   }
474 
475   static inline const TypeFunc* unsafe_setmemory_Type() {
476     assert(_unsafe_setmemory_Type != nullptr, "should be initialized");
477     return _unsafe_setmemory_Type;
478   }
479 
480 //  static const TypeFunc* digestBase_implCompress_Type(bool is_sha3);
481 //  static const TypeFunc* digestBase_implCompressMB_Type(bool is_sha3);
482 //  static const TypeFunc* double_keccak_Type();
483 
484   static inline const TypeFunc* array_fill_Type() {
485     assert(_array_fill_Type != nullptr, "should be initialized");
486     return _array_fill_Type;
487   }
488 
489   static inline const TypeFunc* array_sort_Type() {
490     assert(_array_sort_Type != nullptr, "should be initialized");
491     return _array_sort_Type;
492   }
493 
494   static inline const TypeFunc* array_partition_Type() {

740 
741   static inline const TypeFunc* vthread_start_final_transition_Type() {
742     return vthread_transition_Type();
743   }
744 
745   static inline const TypeFunc* vthread_start_transition_Type() {
746     return vthread_transition_Type();
747   }
748 
749   static inline const TypeFunc* vthread_end_transition_Type() {
750     return vthread_transition_Type();
751   }
752 
753 #if INCLUDE_JFR
754   static inline const TypeFunc* class_id_load_barrier_Type() {
755     assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
756     return _class_id_load_barrier_Type;
757   }
758 #endif // INCLUDE_JFR
759 
760   static const TypeFunc* class_init_barrier_Type();
761 
762   // runtime upcalls support
763   static const TypeFunc* runtime_up_call_Type();
764 
765   // Dtrace support. entry and exit probes have the same signature
766   static inline const TypeFunc* dtrace_method_entry_exit_Type() {
767     assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
768     return _dtrace_method_entry_exit_Type;
769   }
770 
771   static inline const TypeFunc* dtrace_object_alloc_Type() {
772     assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
773     return _dtrace_object_alloc_Type;
774   }
775 
776 #ifndef PRODUCT
777   // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
778   // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
779   // one for the static string
780   static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
781                                           Node* parm2 = nullptr, Node* parm3 = nullptr,
782                                           Node* parm4 = nullptr, Node* parm5 = nullptr,
783                                           Node* parm6 = nullptr);
784 #endif // PRODUCT
785 
786  private:
787  static NamedCounter * volatile _named_counters;
788 
789  public:
790  // helper function which creates a named counter labeled with the
791  // if they are available
792  static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
793 
794  // dumps all the named counters
795  static void          print_named_counters();
796 
797  public:
798   static void init_counters();
799   static void print_counters_on(outputStream* st);
800  static void          initialize_types();
801 };
802 
803 #endif // SHARE_OPTO_RUNTIME_HPP
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