105 private:
106 // declare opto stub address/blob holder static fields
107 #define C2_BLOB_FIELD_DECLARE(name, type) \
108 static type* BLOB_FIELD_NAME(name);
109 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
110 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
111 static address C2_STUB_FIELD_NAME(name) ;
112 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
113 static address STUB_FIELD_NAME(name);
114
115 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
116
117 #undef C2_BLOB_FIELD_DECLARE
118 #undef C2_STUB_FIELD_NAME
119 #undef C2_STUB_FIELD_DECLARE
120 #undef C2_JVMTI_STUB_FIELD_DECLARE
121
122 // static TypeFunc* data members
123 static const TypeFunc* _new_instance_Type;
124 static const TypeFunc* _new_array_Type;
125 static const TypeFunc* _multianewarray2_Type;
126 static const TypeFunc* _multianewarray3_Type;
127 static const TypeFunc* _multianewarray4_Type;
128 static const TypeFunc* _multianewarray5_Type;
129 static const TypeFunc* _multianewarrayN_Type;
130 static const TypeFunc* _complete_monitor_enter_Type;
131 static const TypeFunc* _complete_monitor_exit_Type;
132 static const TypeFunc* _monitor_notify_Type;
133 static const TypeFunc* _uncommon_trap_Type;
134 static const TypeFunc* _athrow_Type;
135 static const TypeFunc* _rethrow_Type;
136 static const TypeFunc* _Math_D_D_Type;
137 static const TypeFunc* _Math_DD_D_Type;
138 static const TypeFunc* _modf_Type;
139 static const TypeFunc* _l2f_Type;
140 static const TypeFunc* _void_long_Type;
141 static const TypeFunc* _void_void_Type;
142 static const TypeFunc* _jfr_write_checkpoint_Type;
143 static const TypeFunc* _flush_windows_Type;
144 static const TypeFunc* _fast_arraycopy_Type;
191 static const TypeFunc* _updateBytesAdler32_Type;
192 static const TypeFunc* _osr_end_Type;
193 static const TypeFunc* _register_finalizer_Type;
194 #if INCLUDE_JFR
195 static const TypeFunc* _class_id_load_barrier_Type;
196 #endif // INCLUDE_JFR
197 #if INCLUDE_JVMTI
198 static const TypeFunc* _notify_jvmti_vthread_Type;
199 #endif // INCLUDE_JVMTI
200 static const TypeFunc* _dtrace_method_entry_exit_Type;
201 static const TypeFunc* _dtrace_object_alloc_Type;
202
203 // define stubs
204 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);
205
206 //
207 // Implementation of runtime methods
208 // =================================
209
210 // Allocate storage for a Java instance.
211 static void new_instance_C(Klass* instance_klass, JavaThread* current);
212
213 // Allocate storage for a objArray or typeArray
214 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
215 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
216
217 // Allocate storage for a multi-dimensional arrays
218 // Note: needs to be fixed for arbitrary number of dimensions
219 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
220 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
221 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
222 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
223 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
224
225 // local methods passed as arguments to stub generator that forward
226 // control to corresponding JRT methods of SharedRuntime
227 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
228 oopDesc* dest, jint dest_pos,
229 jint length, JavaThread* thread);
230 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
231
232 public:
233 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
234 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
238 // Implicit exception support
239 static void throw_null_exception_C(JavaThread* thread);
240
241 // Exception handling
242 static address handle_exception_C (JavaThread* current);
243 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
244 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
245 static void deoptimize_caller_frame (JavaThread *thread);
246 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
247 static bool is_deoptimized_caller_frame (JavaThread *thread);
248
249 // CodeBlob support
250 // ===================================================================
251
252 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
253 static ExceptionBlob* generate_exception_blob();
254
255 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
256
257 public:
258
259 static bool is_callee_saved_register(MachRegisterNumbers reg);
260
261 // One time only generate runtime code stubs. Returns true
262 // when runtime stubs have been generated successfully and
263 // false otherwise.
264 static bool generate(ciEnv* env);
265
266 // Returns the name of a stub
267 static const char* stub_name(address entry);
268
269 // Returns the name associated with a given stub id
270 static const char* stub_name(StubId id) {
271 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
272 return StubInfo::name(id);
273 }
274
275 // access to runtime stubs entry points for java code
276 static address new_instance_Java() { return _new_instance_Java; }
277 static address new_array_Java() { return _new_array_Java; }
278 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
279 static address multianewarray2_Java() { return _multianewarray2_Java; }
280 static address multianewarray3_Java() { return _multianewarray3_Java; }
281 static address multianewarray4_Java() { return _multianewarray4_Java; }
282 static address multianewarray5_Java() { return _multianewarray5_Java; }
283 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
284 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
285 static address monitor_notify_Java() { return _monitor_notify_Java; }
286 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
287
288 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
289 static address register_finalizer_Java() { return _register_finalizer_Java; }
290 #if INCLUDE_JVMTI
291 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
292 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
293 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
294 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
295 #endif
296
297 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
298 static ExceptionBlob* exception_blob() { return _exception_blob; }
299
300 // Implicit exception support
301 static void throw_div0_exception_C (JavaThread* thread);
302 static void throw_stack_overflow_error_C(JavaThread* thread);
303
304 // Exception handling
305 static address rethrow_stub() { return _rethrow_Java; }
306
307
308 // Type functions
309 // ======================================================
310
311 static inline const TypeFunc* new_instance_Type() {
312 assert(_new_instance_Type != nullptr, "should be initialized");
313 return _new_instance_Type;
314 }
315
316 static inline const TypeFunc* new_array_Type() {
317 assert(_new_array_Type != nullptr, "should be initialized");
318 return _new_array_Type;
319 }
320
321 static inline const TypeFunc* new_array_nozero_Type() {
322 return new_array_Type();
323 }
324
325 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
326
327 static inline const TypeFunc* multianewarray2_Type() {
328 assert(_multianewarray2_Type != nullptr, "should be initialized");
329 return _multianewarray2_Type;
330 }
331
332 static inline const TypeFunc* multianewarray3_Type() {
333 assert(_multianewarray3_Type != nullptr, "should be initialized");
334 return _multianewarray3_Type;
335 }
336
337 static inline const TypeFunc* multianewarray4_Type() {
338 assert(_multianewarray4_Type != nullptr, "should be initialized");
339 return _multianewarray4_Type;
340 }
341
342 static inline const TypeFunc* multianewarray5_Type() {
702
703
704 // leaf on stack replacement interpreter accessor types
705 static inline const TypeFunc* osr_end_Type() {
706 assert(_osr_end_Type != nullptr, "should be initialized");
707 return _osr_end_Type;
708 }
709
710 static inline const TypeFunc* register_finalizer_Type() {
711 assert(_register_finalizer_Type != nullptr, "should be initialized");
712 return _register_finalizer_Type;
713 }
714
715 #if INCLUDE_JFR
716 static inline const TypeFunc* class_id_load_barrier_Type() {
717 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
718 return _class_id_load_barrier_Type;
719 }
720 #endif // INCLUDE_JFR
721
722 #if INCLUDE_JVMTI
723 static inline const TypeFunc* notify_jvmti_vthread_Type() {
724 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
725 return _notify_jvmti_vthread_Type;
726 }
727 #endif
728
729 // Dtrace support. entry and exit probes have the same signature
730 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
731 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
732 return _dtrace_method_entry_exit_Type;
733 }
734
735 static inline const TypeFunc* dtrace_object_alloc_Type() {
736 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
737 return _dtrace_object_alloc_Type;
738 }
739
740 #ifndef PRODUCT
741 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
|
105 private:
106 // declare opto stub address/blob holder static fields
107 #define C2_BLOB_FIELD_DECLARE(name, type) \
108 static type* BLOB_FIELD_NAME(name);
109 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
110 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
111 static address C2_STUB_FIELD_NAME(name) ;
112 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
113 static address STUB_FIELD_NAME(name);
114
115 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
116
117 #undef C2_BLOB_FIELD_DECLARE
118 #undef C2_STUB_FIELD_NAME
119 #undef C2_STUB_FIELD_DECLARE
120 #undef C2_JVMTI_STUB_FIELD_DECLARE
121
122 // static TypeFunc* data members
123 static const TypeFunc* _new_instance_Type;
124 static const TypeFunc* _new_array_Type;
125 static const TypeFunc* _new_array_nozero_Type;
126 static const TypeFunc* _multianewarray2_Type;
127 static const TypeFunc* _multianewarray3_Type;
128 static const TypeFunc* _multianewarray4_Type;
129 static const TypeFunc* _multianewarray5_Type;
130 static const TypeFunc* _multianewarrayN_Type;
131 static const TypeFunc* _complete_monitor_enter_Type;
132 static const TypeFunc* _complete_monitor_exit_Type;
133 static const TypeFunc* _monitor_notify_Type;
134 static const TypeFunc* _uncommon_trap_Type;
135 static const TypeFunc* _athrow_Type;
136 static const TypeFunc* _rethrow_Type;
137 static const TypeFunc* _Math_D_D_Type;
138 static const TypeFunc* _Math_DD_D_Type;
139 static const TypeFunc* _modf_Type;
140 static const TypeFunc* _l2f_Type;
141 static const TypeFunc* _void_long_Type;
142 static const TypeFunc* _void_void_Type;
143 static const TypeFunc* _jfr_write_checkpoint_Type;
144 static const TypeFunc* _flush_windows_Type;
145 static const TypeFunc* _fast_arraycopy_Type;
192 static const TypeFunc* _updateBytesAdler32_Type;
193 static const TypeFunc* _osr_end_Type;
194 static const TypeFunc* _register_finalizer_Type;
195 #if INCLUDE_JFR
196 static const TypeFunc* _class_id_load_barrier_Type;
197 #endif // INCLUDE_JFR
198 #if INCLUDE_JVMTI
199 static const TypeFunc* _notify_jvmti_vthread_Type;
200 #endif // INCLUDE_JVMTI
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, bool is_larval, JavaThread* current);
213
214 // Allocate storage for a objArray or typeArray
215 static void new_array_C(Klass* array_klass, int len, oopDesc* init_val, 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);
239 // Implicit exception support
240 static void throw_null_exception_C(JavaThread* thread);
241
242 // Exception handling
243 static address handle_exception_C (JavaThread* current);
244 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
245 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
246 static void deoptimize_caller_frame (JavaThread *thread);
247 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
248 static bool is_deoptimized_caller_frame (JavaThread *thread);
249
250 // CodeBlob support
251 // ===================================================================
252
253 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
254 static ExceptionBlob* generate_exception_blob();
255
256 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
257
258 public:
259 static void load_unknown_inline_C(flatArrayOopDesc* array, int index, JavaThread* current);
260 static void store_unknown_inline_C(instanceOopDesc* buffer, flatArrayOopDesc* array, int index, JavaThread* current);
261
262 static bool is_callee_saved_register(MachRegisterNumbers reg);
263
264 // One time only generate runtime code stubs. Returns true
265 // when runtime stubs have been generated successfully and
266 // false otherwise.
267 static bool generate(ciEnv* env);
268
269 // Returns the name of a stub
270 static const char* stub_name(address entry);
271
272 // Returns the name associated with a given stub id
273 static const char* stub_name(StubId id) {
274 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
275 return StubInfo::name(id);
276 }
277
278 // access to runtime stubs entry points for java code
279 static address new_instance_Java() { return _new_instance_Java; }
280 static address new_array_Java() { return _new_array_Java; }
281 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
282 static address multianewarray2_Java() { return _multianewarray2_Java; }
283 static address multianewarray3_Java() { return _multianewarray3_Java; }
284 static address multianewarray4_Java() { return _multianewarray4_Java; }
285 static address multianewarray5_Java() { return _multianewarray5_Java; }
286 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
287 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
288 static address monitor_notify_Java() { return _monitor_notify_Java; }
289 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
290
291 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
292 static address register_finalizer_Java() { return _register_finalizer_Java; }
293 static address load_unknown_inline_Java() { return _load_unknown_inline_Java; }
294 static address store_unknown_inline_Java() { return _store_unknown_inline_Java; }
295 #if INCLUDE_JVMTI
296 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
297 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
298 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
299 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
300 #endif
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
316 static inline const TypeFunc* new_instance_Type() {
317 assert(_new_instance_Type != nullptr, "should be initialized");
318 return _new_instance_Type;
319 }
320
321 static inline const TypeFunc* new_array_Type() {
322 assert(_new_array_Type != nullptr, "should be initialized");
323 return _new_array_Type;
324 }
325
326 static inline const TypeFunc* new_array_nozero_Type() {
327 assert(_new_array_nozero_Type != nullptr, "should be initialized");
328 return _new_array_nozero_Type;
329 }
330
331 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
332
333 static inline const TypeFunc* multianewarray2_Type() {
334 assert(_multianewarray2_Type != nullptr, "should be initialized");
335 return _multianewarray2_Type;
336 }
337
338 static inline const TypeFunc* multianewarray3_Type() {
339 assert(_multianewarray3_Type != nullptr, "should be initialized");
340 return _multianewarray3_Type;
341 }
342
343 static inline const TypeFunc* multianewarray4_Type() {
344 assert(_multianewarray4_Type != nullptr, "should be initialized");
345 return _multianewarray4_Type;
346 }
347
348 static inline const TypeFunc* multianewarray5_Type() {
708
709
710 // leaf on stack replacement interpreter accessor types
711 static inline const TypeFunc* osr_end_Type() {
712 assert(_osr_end_Type != nullptr, "should be initialized");
713 return _osr_end_Type;
714 }
715
716 static inline const TypeFunc* register_finalizer_Type() {
717 assert(_register_finalizer_Type != nullptr, "should be initialized");
718 return _register_finalizer_Type;
719 }
720
721 #if INCLUDE_JFR
722 static inline const TypeFunc* class_id_load_barrier_Type() {
723 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
724 return _class_id_load_barrier_Type;
725 }
726 #endif // INCLUDE_JFR
727
728 static const TypeFunc* load_unknown_inline_Type();
729 static const TypeFunc* store_unknown_inline_Type();
730
731 static const TypeFunc* store_inline_type_fields_Type();
732 static const TypeFunc* pack_inline_type_Type();
733
734 #if INCLUDE_JVMTI
735 static inline const TypeFunc* notify_jvmti_vthread_Type() {
736 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
737 return _notify_jvmti_vthread_Type;
738 }
739 #endif
740
741 // Dtrace support. entry and exit probes have the same signature
742 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
743 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
744 return _dtrace_method_entry_exit_Type;
745 }
746
747 static inline const TypeFunc* dtrace_object_alloc_Type() {
748 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
749 return _dtrace_object_alloc_Type;
750 }
751
752 #ifndef PRODUCT
753 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
|