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src/hotspot/share/opto/runtime.hpp

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 96     _next = next;
 97   }
 98 
 99 };
100 
101 class RTMLockingNamedCounter : public NamedCounter {
102  private:
103  RTMLockingCounters _counters;
104 
105  public:
106   RTMLockingNamedCounter(const char *n) :
107     NamedCounter(n, RTMLockingCounter), _counters() {}
108 
109   RTMLockingCounters* counters() { return &_counters; }
110 };
111 
112 typedef const TypeFunc*(*TypeFunc_generator)();
113 
114 class OptoRuntime : public AllStatic {
115   friend class Matcher;  // allow access to stub names
116 
117  private:
118   // define stubs
119   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);
120 
121   // References to generated stubs
122   static address _new_instance_Java;
123   static address _new_array_Java;
124   static address _new_array_nozero_Java;
125   static address _multianewarray2_Java;
126   static address _multianewarray3_Java;
127   static address _multianewarray4_Java;
128   static address _multianewarray5_Java;
129   static address _multianewarrayN_Java;
130   static address _vtable_must_compile_Java;
131   static address _complete_monitor_locking_Java;
132   static address _rethrow_Java;
133   static address _monitor_notify_Java;
134   static address _monitor_notifyAll_Java;
135 
136   static address _slow_arraycopy_Java;
137   static address _register_finalizer_Java;

138 #if INCLUDE_JVMTI
139   static address _notify_jvmti_vthread_start;
140   static address _notify_jvmti_vthread_end;
141   static address _notify_jvmti_vthread_mount;
142   static address _notify_jvmti_vthread_unmount;
143 #endif
144 
145   //
146   // Implementation of runtime methods
147   // =================================
148 
149   // Allocate storage for a Java instance.
150   static void new_instance_C(Klass* instance_klass, JavaThread* current);
151 
152   // Allocate storage for a objArray or typeArray
153   static void new_array_C(Klass* array_klass, int len, JavaThread* current);
154   static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
155 
156   // Allocate storage for a multi-dimensional arrays
157   // Note: needs to be fixed for arbitrary number of dimensions

169 
170   // Implicit exception support
171   static void throw_null_exception_C(JavaThread* thread);
172 
173   // Exception handling
174   static address handle_exception_C       (JavaThread* current);
175   static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
176   static address rethrow_C                (oopDesc* exception, JavaThread *thread, address return_pc );
177   static void deoptimize_caller_frame     (JavaThread *thread);
178   static void deoptimize_caller_frame     (JavaThread *thread, bool doit);
179   static bool is_deoptimized_caller_frame (JavaThread *thread);
180 
181   // CodeBlob support
182   // ===================================================================
183 
184   static ExceptionBlob*       _exception_blob;
185   static void generate_exception_blob();
186 
187   static void register_finalizer(oopDesc* obj, JavaThread* current);
188 

189  public:
190 
191   static bool is_callee_saved_register(MachRegisterNumbers reg);
192 
193   // One time only generate runtime code stubs. Returns true
194   // when runtime stubs have been generated successfully and
195   // false otherwise.
196   static bool generate(ciEnv* env);
197 
198   // Returns the name of a stub
199   static const char* stub_name(address entry);
200 
201   // access to runtime stubs entry points for java code
202   static address new_instance_Java()                     { return _new_instance_Java; }
203   static address new_array_Java()                        { return _new_array_Java; }
204   static address new_array_nozero_Java()                 { return _new_array_nozero_Java; }
205   static address multianewarray2_Java()                  { return _multianewarray2_Java; }
206   static address multianewarray3_Java()                  { return _multianewarray3_Java; }
207   static address multianewarray4_Java()                  { return _multianewarray4_Java; }
208   static address multianewarray5_Java()                  { return _multianewarray5_Java; }
209   static address multianewarrayN_Java()                  { return _multianewarrayN_Java; }
210   static address vtable_must_compile_stub()              { return _vtable_must_compile_Java; }
211   static address complete_monitor_locking_Java()         { return _complete_monitor_locking_Java; }
212   static address monitor_notify_Java()                   { return _monitor_notify_Java; }
213   static address monitor_notifyAll_Java()                { return _monitor_notifyAll_Java; }
214 
215   static address slow_arraycopy_Java()                   { return _slow_arraycopy_Java; }
216   static address register_finalizer_Java()               { return _register_finalizer_Java; }

217 #if INCLUDE_JVMTI
218   static address notify_jvmti_vthread_start()            { return _notify_jvmti_vthread_start; }
219   static address notify_jvmti_vthread_end()              { return _notify_jvmti_vthread_end; }
220   static address notify_jvmti_vthread_mount()            { return _notify_jvmti_vthread_mount; }
221   static address notify_jvmti_vthread_unmount()          { return _notify_jvmti_vthread_unmount; }
222 #endif
223 
224   static ExceptionBlob*    exception_blob()                      { return _exception_blob; }
225 
226   // Implicit exception support
227   static void throw_div0_exception_C      (JavaThread* thread);
228   static void throw_stack_overflow_error_C(JavaThread* thread);
229 
230   // Exception handling
231   static address rethrow_stub()             { return _rethrow_Java; }
232 
233 
234   // Type functions
235   // ======================================================
236 

290   static const TypeFunc* bigIntegerShift_Type();
291 
292   static const TypeFunc* vectorizedMismatch_Type();
293 
294   static const TypeFunc* ghash_processBlocks_Type();
295   static const TypeFunc* chacha20Block_Type();
296   static const TypeFunc* base64_encodeBlock_Type();
297   static const TypeFunc* base64_decodeBlock_Type();
298   static const TypeFunc* poly1305_processBlocks_Type();
299 
300   static const TypeFunc* updateBytesCRC32_Type();
301   static const TypeFunc* updateBytesCRC32C_Type();
302 
303   static const TypeFunc* updateBytesAdler32_Type();
304 
305   // leaf on stack replacement interpreter accessor types
306   static const TypeFunc* osr_end_Type();
307 
308   static const TypeFunc* register_finalizer_Type();
309 


310   JFR_ONLY(static const TypeFunc* class_id_load_barrier_Type();)
311 #if INCLUDE_JVMTI
312   static const TypeFunc* notify_jvmti_vthread_Type();
313 #endif
314 
315   // Dtrace support
316   static const TypeFunc* dtrace_method_entry_exit_Type();
317   static const TypeFunc* dtrace_object_alloc_Type();
318 
319  private:
320  static NamedCounter * volatile _named_counters;
321 
322  public:
323  // helper function which creates a named counter labeled with the
324  // if they are available
325  static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
326 
327  // dumps all the named counters
328  static void          print_named_counters();
329 



330 };
331 
332 #endif // SHARE_OPTO_RUNTIME_HPP

 96     _next = next;
 97   }
 98 
 99 };
100 
101 class RTMLockingNamedCounter : public NamedCounter {
102  private:
103  RTMLockingCounters _counters;
104 
105  public:
106   RTMLockingNamedCounter(const char *n) :
107     NamedCounter(n, RTMLockingCounter), _counters() {}
108 
109   RTMLockingCounters* counters() { return &_counters; }
110 };
111 
112 typedef const TypeFunc*(*TypeFunc_generator)();
113 
114 class OptoRuntime : public AllStatic {
115   friend class Matcher;  // allow access to stub names
116   friend class SCAddressTable;
117  private:
118   // define stubs
119   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);
120 
121   // References to generated stubs
122   static address _new_instance_Java;
123   static address _new_array_Java;
124   static address _new_array_nozero_Java;
125   static address _multianewarray2_Java;
126   static address _multianewarray3_Java;
127   static address _multianewarray4_Java;
128   static address _multianewarray5_Java;
129   static address _multianewarrayN_Java;
130   static address _vtable_must_compile_Java;
131   static address _complete_monitor_locking_Java;
132   static address _rethrow_Java;
133   static address _monitor_notify_Java;
134   static address _monitor_notifyAll_Java;
135 
136   static address _slow_arraycopy_Java;
137   static address _register_finalizer_Java;
138   static address _class_init_barrier_Java;
139 #if INCLUDE_JVMTI
140   static address _notify_jvmti_vthread_start;
141   static address _notify_jvmti_vthread_end;
142   static address _notify_jvmti_vthread_mount;
143   static address _notify_jvmti_vthread_unmount;
144 #endif
145 
146   //
147   // Implementation of runtime methods
148   // =================================
149 
150   // Allocate storage for a Java instance.
151   static void new_instance_C(Klass* instance_klass, JavaThread* current);
152 
153   // Allocate storage for a objArray or typeArray
154   static void new_array_C(Klass* array_klass, int len, JavaThread* current);
155   static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
156 
157   // Allocate storage for a multi-dimensional arrays
158   // Note: needs to be fixed for arbitrary number of dimensions

170 
171   // Implicit exception support
172   static void throw_null_exception_C(JavaThread* thread);
173 
174   // Exception handling
175   static address handle_exception_C       (JavaThread* current);
176   static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
177   static address rethrow_C                (oopDesc* exception, JavaThread *thread, address return_pc );
178   static void deoptimize_caller_frame     (JavaThread *thread);
179   static void deoptimize_caller_frame     (JavaThread *thread, bool doit);
180   static bool is_deoptimized_caller_frame (JavaThread *thread);
181 
182   // CodeBlob support
183   // ===================================================================
184 
185   static ExceptionBlob*       _exception_blob;
186   static void generate_exception_blob();
187 
188   static void register_finalizer(oopDesc* obj, JavaThread* current);
189 
190   static void class_init_barrier(Klass* k, JavaThread* current);
191  public:
192 
193   static bool is_callee_saved_register(MachRegisterNumbers reg);
194 
195   // One time only generate runtime code stubs. Returns true
196   // when runtime stubs have been generated successfully and
197   // false otherwise.
198   static bool generate(ciEnv* env);
199 
200   // Returns the name of a stub
201   static const char* stub_name(address entry);
202 
203   // access to runtime stubs entry points for java code
204   static address new_instance_Java()                     { return _new_instance_Java; }
205   static address new_array_Java()                        { return _new_array_Java; }
206   static address new_array_nozero_Java()                 { return _new_array_nozero_Java; }
207   static address multianewarray2_Java()                  { return _multianewarray2_Java; }
208   static address multianewarray3_Java()                  { return _multianewarray3_Java; }
209   static address multianewarray4_Java()                  { return _multianewarray4_Java; }
210   static address multianewarray5_Java()                  { return _multianewarray5_Java; }
211   static address multianewarrayN_Java()                  { return _multianewarrayN_Java; }
212   static address vtable_must_compile_stub()              { return _vtable_must_compile_Java; }
213   static address complete_monitor_locking_Java()         { return _complete_monitor_locking_Java; }
214   static address monitor_notify_Java()                   { return _monitor_notify_Java; }
215   static address monitor_notifyAll_Java()                { return _monitor_notifyAll_Java; }
216 
217   static address slow_arraycopy_Java()                   { return _slow_arraycopy_Java; }
218   static address register_finalizer_Java()               { return _register_finalizer_Java; }
219   static address class_init_barrier_Java()               { return _class_init_barrier_Java; }
220 #if INCLUDE_JVMTI
221   static address notify_jvmti_vthread_start()            { return _notify_jvmti_vthread_start; }
222   static address notify_jvmti_vthread_end()              { return _notify_jvmti_vthread_end; }
223   static address notify_jvmti_vthread_mount()            { return _notify_jvmti_vthread_mount; }
224   static address notify_jvmti_vthread_unmount()          { return _notify_jvmti_vthread_unmount; }
225 #endif
226 
227   static ExceptionBlob*    exception_blob()                      { return _exception_blob; }
228 
229   // Implicit exception support
230   static void throw_div0_exception_C      (JavaThread* thread);
231   static void throw_stack_overflow_error_C(JavaThread* thread);
232 
233   // Exception handling
234   static address rethrow_stub()             { return _rethrow_Java; }
235 
236 
237   // Type functions
238   // ======================================================
239 

293   static const TypeFunc* bigIntegerShift_Type();
294 
295   static const TypeFunc* vectorizedMismatch_Type();
296 
297   static const TypeFunc* ghash_processBlocks_Type();
298   static const TypeFunc* chacha20Block_Type();
299   static const TypeFunc* base64_encodeBlock_Type();
300   static const TypeFunc* base64_decodeBlock_Type();
301   static const TypeFunc* poly1305_processBlocks_Type();
302 
303   static const TypeFunc* updateBytesCRC32_Type();
304   static const TypeFunc* updateBytesCRC32C_Type();
305 
306   static const TypeFunc* updateBytesAdler32_Type();
307 
308   // leaf on stack replacement interpreter accessor types
309   static const TypeFunc* osr_end_Type();
310 
311   static const TypeFunc* register_finalizer_Type();
312 
313   static const TypeFunc* class_init_barrier_Type();
314 
315   JFR_ONLY(static const TypeFunc* class_id_load_barrier_Type();)
316 #if INCLUDE_JVMTI
317   static const TypeFunc* notify_jvmti_vthread_Type();
318 #endif
319 
320   // Dtrace support
321   static const TypeFunc* dtrace_method_entry_exit_Type();
322   static const TypeFunc* dtrace_object_alloc_Type();
323 
324  private:
325  static NamedCounter * volatile _named_counters;
326 
327  public:
328  // helper function which creates a named counter labeled with the
329  // if they are available
330  static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
331 
332  // dumps all the named counters
333  static void          print_named_counters();
334 
335  public:
336   static void init_counters();
337   static void print_counters_on(outputStream* st);
338 };
339 
340 #endif // SHARE_OPTO_RUNTIME_HPP
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