31 #include "interpreter/interpreterRuntime.hpp" |
31 #include "interpreter/interpreterRuntime.hpp" |
32 #include "interpreter/linkResolver.hpp" |
32 #include "interpreter/linkResolver.hpp" |
33 #include "interpreter/templateTable.hpp" |
33 #include "interpreter/templateTable.hpp" |
34 #include "memory/oopFactory.hpp" |
34 #include "memory/oopFactory.hpp" |
35 #include "memory/universe.inline.hpp" |
35 #include "memory/universe.inline.hpp" |
36 #include "oops/constantPoolOop.hpp" |
36 #include "oops/constantPool.hpp" |
37 #include "oops/cpCacheOop.hpp" |
|
38 #include "oops/instanceKlass.hpp" |
37 #include "oops/instanceKlass.hpp" |
39 #include "oops/methodDataOop.hpp" |
38 #include "oops/methodData.hpp" |
40 #include "oops/objArrayKlass.hpp" |
39 #include "oops/objArrayKlass.hpp" |
41 #include "oops/oop.inline.hpp" |
40 #include "oops/oop.inline.hpp" |
42 #include "oops/symbol.hpp" |
41 #include "oops/symbol.hpp" |
43 #include "prims/jvmtiExport.hpp" |
42 #include "prims/jvmtiExport.hpp" |
44 #include "prims/nativeLookup.hpp" |
43 #include "prims/nativeLookup.hpp" |
96 void InterpreterRuntime::set_bcp_and_mdp(address bcp, JavaThread *thread) { |
95 void InterpreterRuntime::set_bcp_and_mdp(address bcp, JavaThread *thread) { |
97 last_frame(thread).interpreter_frame_set_bcp(bcp); |
96 last_frame(thread).interpreter_frame_set_bcp(bcp); |
98 if (ProfileInterpreter) { |
97 if (ProfileInterpreter) { |
99 // ProfileTraps uses MDOs independently of ProfileInterpreter. |
98 // ProfileTraps uses MDOs independently of ProfileInterpreter. |
100 // That is why we must check both ProfileInterpreter and mdo != NULL. |
99 // That is why we must check both ProfileInterpreter and mdo != NULL. |
101 methodDataOop mdo = last_frame(thread).interpreter_frame_method()->method_data(); |
100 MethodData* mdo = last_frame(thread).interpreter_frame_method()->method_data(); |
102 if (mdo != NULL) { |
101 if (mdo != NULL) { |
103 NEEDS_CLEANUP; |
102 NEEDS_CLEANUP; |
104 last_frame(thread).interpreter_frame_set_mdp(mdo->bci_to_dp(last_frame(thread).interpreter_frame_bci())); |
103 last_frame(thread).interpreter_frame_set_mdp(mdo->bci_to_dp(last_frame(thread).interpreter_frame_bci())); |
105 } |
104 } |
106 } |
105 } |
110 // Constants |
109 // Constants |
111 |
110 |
112 |
111 |
113 IRT_ENTRY(void, InterpreterRuntime::ldc(JavaThread* thread, bool wide)) |
112 IRT_ENTRY(void, InterpreterRuntime::ldc(JavaThread* thread, bool wide)) |
114 // access constant pool |
113 // access constant pool |
115 constantPoolOop pool = method(thread)->constants(); |
114 ConstantPool* pool = method(thread)->constants(); |
116 int index = wide ? get_index_u2(thread, Bytecodes::_ldc_w) : get_index_u1(thread, Bytecodes::_ldc); |
115 int index = wide ? get_index_u2(thread, Bytecodes::_ldc_w) : get_index_u1(thread, Bytecodes::_ldc); |
117 constantTag tag = pool->tag_at(index); |
116 constantTag tag = pool->tag_at(index); |
118 |
117 |
119 if (tag.is_unresolved_klass() || tag.is_klass()) { |
118 assert (tag.is_unresolved_klass() || tag.is_klass(), "wrong ldc call"); |
120 klassOop klass = pool->klass_at(index, CHECK); |
119 Klass* klass = pool->klass_at(index, CHECK); |
121 oop java_class = klass->java_mirror(); |
120 oop java_class = klass->java_mirror(); |
122 thread->set_vm_result(java_class); |
121 thread->set_vm_result(java_class); |
123 } else { |
|
124 #ifdef ASSERT |
|
125 // If we entered this runtime routine, we believed the tag contained |
|
126 // an unresolved string, an unresolved class or a resolved class. |
|
127 // However, another thread could have resolved the unresolved string |
|
128 // or class by the time we go there. |
|
129 assert(tag.is_unresolved_string()|| tag.is_string(), "expected string"); |
|
130 #endif |
|
131 oop s_oop = pool->string_at(index, CHECK); |
|
132 thread->set_vm_result(s_oop); |
|
133 } |
|
134 IRT_END |
122 IRT_END |
135 |
123 |
136 IRT_ENTRY(void, InterpreterRuntime::resolve_ldc(JavaThread* thread, Bytecodes::Code bytecode)) { |
124 IRT_ENTRY(void, InterpreterRuntime::resolve_ldc(JavaThread* thread, Bytecodes::Code bytecode)) { |
137 assert(bytecode == Bytecodes::_fast_aldc || |
125 assert(bytecode == Bytecodes::_fast_aldc || |
138 bytecode == Bytecodes::_fast_aldc_w, "wrong bc"); |
126 bytecode == Bytecodes::_fast_aldc_w, "wrong bc"); |
142 oop result = ldc.resolve_constant(CHECK); |
130 oop result = ldc.resolve_constant(CHECK); |
143 #ifdef ASSERT |
131 #ifdef ASSERT |
144 { |
132 { |
145 // The bytecode wrappers aren't GC-safe so construct a new one |
133 // The bytecode wrappers aren't GC-safe so construct a new one |
146 Bytecode_loadconstant ldc2(m, bci(thread)); |
134 Bytecode_loadconstant ldc2(m, bci(thread)); |
147 ConstantPoolCacheEntry* cpce = m->constants()->cache()->entry_at(ldc2.cache_index()); |
135 oop coop = m->constants()->resolved_references()->obj_at(ldc2.cache_index()); |
148 assert(result == cpce->f1_as_instance(), "expected result for assembly code"); |
136 assert(result == coop, "expected result for assembly code"); |
149 } |
137 } |
150 #endif |
138 #endif |
|
139 thread->set_vm_result(result); |
151 } |
140 } |
152 IRT_END |
141 IRT_END |
153 |
142 |
154 |
143 |
155 //------------------------------------------------------------------------------------------------------------------------ |
144 //------------------------------------------------------------------------------------------------------------------------ |
156 // Allocation |
145 // Allocation |
157 |
146 |
158 IRT_ENTRY(void, InterpreterRuntime::_new(JavaThread* thread, constantPoolOopDesc* pool, int index)) |
147 IRT_ENTRY(void, InterpreterRuntime::_new(JavaThread* thread, ConstantPool* pool, int index)) |
159 klassOop k_oop = pool->klass_at(index, CHECK); |
148 Klass* k_oop = pool->klass_at(index, CHECK); |
160 instanceKlassHandle klass (THREAD, k_oop); |
149 instanceKlassHandle klass (THREAD, k_oop); |
161 |
150 |
162 // Make sure we are not instantiating an abstract klass |
151 // Make sure we are not instantiating an abstract klass |
163 klass->check_valid_for_instantiation(true, CHECK); |
152 klass->check_valid_for_instantiation(true, CHECK); |
164 |
153 |
188 oop obj = oopFactory::new_typeArray(type, size, CHECK); |
177 oop obj = oopFactory::new_typeArray(type, size, CHECK); |
189 thread->set_vm_result(obj); |
178 thread->set_vm_result(obj); |
190 IRT_END |
179 IRT_END |
191 |
180 |
192 |
181 |
193 IRT_ENTRY(void, InterpreterRuntime::anewarray(JavaThread* thread, constantPoolOopDesc* pool, int index, jint size)) |
182 IRT_ENTRY(void, InterpreterRuntime::anewarray(JavaThread* thread, ConstantPool* pool, int index, jint size)) |
194 // Note: no oopHandle for pool & klass needed since they are not used |
183 // Note: no oopHandle for pool & klass needed since they are not used |
195 // anymore after new_objArray() and no GC can happen before. |
184 // anymore after new_objArray() and no GC can happen before. |
196 // (This may have to change if this code changes!) |
185 // (This may have to change if this code changes!) |
197 klassOop klass = pool->klass_at(index, CHECK); |
186 Klass* klass = pool->klass_at(index, CHECK); |
198 objArrayOop obj = oopFactory::new_objArray(klass, size, CHECK); |
187 objArrayOop obj = oopFactory::new_objArray(klass, size, CHECK); |
199 thread->set_vm_result(obj); |
188 thread->set_vm_result(obj); |
200 IRT_END |
189 IRT_END |
201 |
190 |
202 |
191 |
203 IRT_ENTRY(void, InterpreterRuntime::multianewarray(JavaThread* thread, jint* first_size_address)) |
192 IRT_ENTRY(void, InterpreterRuntime::multianewarray(JavaThread* thread, jint* first_size_address)) |
204 // We may want to pass in more arguments - could make this slightly faster |
193 // We may want to pass in more arguments - could make this slightly faster |
205 constantPoolOop constants = method(thread)->constants(); |
194 ConstantPool* constants = method(thread)->constants(); |
206 int i = get_index_u2(thread, Bytecodes::_multianewarray); |
195 int i = get_index_u2(thread, Bytecodes::_multianewarray); |
207 klassOop klass = constants->klass_at(i, CHECK); |
196 Klass* klass = constants->klass_at(i, CHECK); |
208 int nof_dims = number_of_dimensions(thread); |
197 int nof_dims = number_of_dimensions(thread); |
209 assert(oop(klass)->is_klass(), "not a class"); |
198 assert(klass->is_klass(), "not a class"); |
210 assert(nof_dims >= 1, "multianewarray rank must be nonzero"); |
199 assert(nof_dims >= 1, "multianewarray rank must be nonzero"); |
211 |
200 |
212 // We must create an array of jints to pass to multi_allocate. |
201 // We must create an array of jints to pass to multi_allocate. |
213 ResourceMark rm(thread); |
202 ResourceMark rm(thread); |
214 const int small_dims = 10; |
203 const int small_dims = 10; |
227 IRT_END |
216 IRT_END |
228 |
217 |
229 |
218 |
230 IRT_ENTRY(void, InterpreterRuntime::register_finalizer(JavaThread* thread, oopDesc* obj)) |
219 IRT_ENTRY(void, InterpreterRuntime::register_finalizer(JavaThread* thread, oopDesc* obj)) |
231 assert(obj->is_oop(), "must be a valid oop"); |
220 assert(obj->is_oop(), "must be a valid oop"); |
232 assert(obj->klass()->klass_part()->has_finalizer(), "shouldn't be here otherwise"); |
221 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
233 instanceKlass::register_finalizer(instanceOop(obj), CHECK); |
222 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
234 IRT_END |
223 IRT_END |
235 |
224 |
236 |
225 |
237 // Quicken instance-of and check-cast bytecodes |
226 // Quicken instance-of and check-cast bytecodes |
238 IRT_ENTRY(void, InterpreterRuntime::quicken_io_cc(JavaThread* thread)) |
227 IRT_ENTRY(void, InterpreterRuntime::quicken_io_cc(JavaThread* thread)) |
239 // Force resolving; quicken the bytecode |
228 // Force resolving; quicken the bytecode |
240 int which = get_index_u2(thread, Bytecodes::_checkcast); |
229 int which = get_index_u2(thread, Bytecodes::_checkcast); |
241 constantPoolOop cpool = method(thread)->constants(); |
230 ConstantPool* cpool = method(thread)->constants(); |
242 // We'd expect to assert that we're only here to quicken bytecodes, but in a multithreaded |
231 // We'd expect to assert that we're only here to quicken bytecodes, but in a multithreaded |
243 // program we might have seen an unquick'd bytecode in the interpreter but have another |
232 // program we might have seen an unquick'd bytecode in the interpreter but have another |
244 // thread quicken the bytecode before we get here. |
233 // thread quicken the bytecode before we get here. |
245 // assert( cpool->tag_at(which).is_unresolved_klass(), "should only come here to quicken bytecodes" ); |
234 // assert( cpool->tag_at(which).is_unresolved_klass(), "should only come here to quicken bytecodes" ); |
246 klassOop klass = cpool->klass_at(which, CHECK); |
235 Klass* klass = cpool->klass_at(which, CHECK); |
247 thread->set_vm_result(klass); |
236 thread->set_vm_result_2(klass); |
248 IRT_END |
237 IRT_END |
249 |
238 |
250 |
239 |
251 //------------------------------------------------------------------------------------------------------------------------ |
240 //------------------------------------------------------------------------------------------------------------------------ |
252 // Exceptions |
241 // Exceptions |
256 void InterpreterRuntime::note_trap(JavaThread* thread, int reason, TRAPS) { |
245 void InterpreterRuntime::note_trap(JavaThread* thread, int reason, TRAPS) { |
257 assert(ProfileTraps, "call me only if profiling"); |
246 assert(ProfileTraps, "call me only if profiling"); |
258 methodHandle trap_method(thread, method(thread)); |
247 methodHandle trap_method(thread, method(thread)); |
259 |
248 |
260 if (trap_method.not_null()) { |
249 if (trap_method.not_null()) { |
261 methodDataHandle trap_mdo(thread, trap_method->method_data()); |
250 MethodData* trap_mdo = trap_method->method_data(); |
262 if (trap_mdo.is_null()) { |
251 if (trap_mdo == NULL) { |
263 methodOopDesc::build_interpreter_method_data(trap_method, THREAD); |
252 Method::build_interpreter_method_data(trap_method, THREAD); |
264 if (HAS_PENDING_EXCEPTION) { |
253 if (HAS_PENDING_EXCEPTION) { |
265 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here"); |
254 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here"); |
266 CLEAR_PENDING_EXCEPTION; |
255 CLEAR_PENDING_EXCEPTION; |
267 } |
256 } |
268 trap_mdo = methodDataHandle(thread, trap_method->method_data()); |
257 trap_mdo = trap_method->method_data(); |
269 // and fall through... |
258 // and fall through... |
270 } |
259 } |
271 if (trap_mdo.not_null()) { |
260 if (trap_mdo != NULL) { |
272 // Update per-method count of trap events. The interpreter |
261 // Update per-method count of trap events. The interpreter |
273 // is updating the MDO to simulate the effect of compiler traps. |
262 // is updating the MDO to simulate the effect of compiler traps. |
274 int trap_bci = trap_method->bci_from(bcp(thread)); |
263 int trap_bci = trap_method->bci_from(bcp(thread)); |
275 Deoptimization::update_method_data_from_interpreter(trap_mdo, trap_bci, reason); |
264 Deoptimization::update_method_data_from_interpreter(trap_mdo, trap_bci, reason); |
276 } |
265 } |
277 } |
266 } |
278 } |
267 } |
279 |
268 |
280 static Handle get_preinitialized_exception(klassOop k, TRAPS) { |
269 static Handle get_preinitialized_exception(Klass* k, TRAPS) { |
281 // get klass |
270 // get klass |
282 instanceKlass* klass = instanceKlass::cast(k); |
271 InstanceKlass* klass = InstanceKlass::cast(k); |
283 assert(klass->is_initialized(), |
272 assert(klass->is_initialized(), |
284 "this klass should have been initialized during VM initialization"); |
273 "this klass should have been initialized during VM initialization"); |
285 // create instance - do not call constructor since we may have no |
274 // create instance - do not call constructor since we may have no |
286 // (java) stack space left (should assert constructor is empty) |
275 // (java) stack space left (should assert constructor is empty) |
287 Handle exception; |
276 Handle exception; |
415 tty->print_cr("Exception <%s> (" INTPTR_FORMAT ")", h_exception->print_value_string(), (address)h_exception()); |
404 tty->print_cr("Exception <%s> (" INTPTR_FORMAT ")", h_exception->print_value_string(), (address)h_exception()); |
416 tty->print_cr(" thrown in interpreter method <%s>", h_method->print_value_string()); |
405 tty->print_cr(" thrown in interpreter method <%s>", h_method->print_value_string()); |
417 tty->print_cr(" at bci %d for thread " INTPTR_FORMAT, current_bci, thread); |
406 tty->print_cr(" at bci %d for thread " INTPTR_FORMAT, current_bci, thread); |
418 } |
407 } |
419 // Don't go paging in something which won't be used. |
408 // Don't go paging in something which won't be used. |
420 // else if (h_extable->length() == 0) { |
409 // else if (extable->length() == 0) { |
421 // // disabled for now - interpreter is not using shortcut yet |
410 // // disabled for now - interpreter is not using shortcut yet |
422 // // (shortcut is not to call runtime if we have no exception handlers) |
411 // // (shortcut is not to call runtime if we have no exception handlers) |
423 // // warning("performance bug: should not call runtime if method has no exception handlers"); |
412 // // warning("performance bug: should not call runtime if method has no exception handlers"); |
424 // } |
413 // } |
425 // for AbortVMOnException flag |
414 // for AbortVMOnException flag |
532 |
521 |
533 // We also need to delay resolving getstatic instructions until the |
522 // We also need to delay resolving getstatic instructions until the |
534 // class is intitialized. This is required so that access to the static |
523 // class is intitialized. This is required so that access to the static |
535 // field will call the initialization function every time until the class |
524 // field will call the initialization function every time until the class |
536 // is completely initialized ala. in 2.17.5 in JVM Specification. |
525 // is completely initialized ala. in 2.17.5 in JVM Specification. |
537 instanceKlass *klass = instanceKlass::cast(info.klass()->as_klassOop()); |
526 InstanceKlass *klass = InstanceKlass::cast(info.klass()()); |
538 bool uninitialized_static = ((bytecode == Bytecodes::_getstatic || bytecode == Bytecodes::_putstatic) && |
527 bool uninitialized_static = ((bytecode == Bytecodes::_getstatic || bytecode == Bytecodes::_putstatic) && |
539 !klass->is_initialized()); |
528 !klass->is_initialized()); |
540 Bytecodes::Code get_code = (Bytecodes::Code)0; |
529 Bytecodes::Code get_code = (Bytecodes::Code)0; |
541 |
530 |
542 if (!uninitialized_static) { |
531 if (!uninitialized_static) { |
642 |
632 |
643 |
633 |
644 //------------------------------------------------------------------------------------------------------------------------ |
634 //------------------------------------------------------------------------------------------------------------------------ |
645 // Invokes |
635 // Invokes |
646 |
636 |
647 IRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp)) |
637 IRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* thread, Method* method, address bcp)) |
648 return method->orig_bytecode_at(method->bci_from(bcp)); |
638 return method->orig_bytecode_at(method->bci_from(bcp)); |
649 IRT_END |
639 IRT_END |
650 |
640 |
651 IRT_ENTRY(void, InterpreterRuntime::set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code)) |
641 IRT_ENTRY(void, InterpreterRuntime::set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code)) |
652 method->set_orig_bytecode_at(method->bci_from(bcp), new_code); |
642 method->set_orig_bytecode_at(method->bci_from(bcp), new_code); |
653 IRT_END |
643 IRT_END |
654 |
644 |
655 IRT_ENTRY(void, InterpreterRuntime::_breakpoint(JavaThread* thread, methodOopDesc* method, address bcp)) |
645 IRT_ENTRY(void, InterpreterRuntime::_breakpoint(JavaThread* thread, Method* method, address bcp)) |
656 JvmtiExport::post_raw_breakpoint(thread, method, bcp); |
646 JvmtiExport::post_raw_breakpoint(thread, method, bcp); |
657 IRT_END |
647 IRT_END |
658 |
648 |
659 IRT_ENTRY(void, InterpreterRuntime::resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode)) { |
649 IRT_ENTRY(void, InterpreterRuntime::resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode)) { |
660 // extract receiver from the outgoing argument list if necessary |
650 // extract receiver from the outgoing argument list if necessary |
667 receiver = Handle(thread, |
657 receiver = Handle(thread, |
668 thread->last_frame().interpreter_callee_receiver(signature)); |
658 thread->last_frame().interpreter_callee_receiver(signature)); |
669 assert(Universe::heap()->is_in_reserved_or_null(receiver()), |
659 assert(Universe::heap()->is_in_reserved_or_null(receiver()), |
670 "sanity check"); |
660 "sanity check"); |
671 assert(receiver.is_null() || |
661 assert(receiver.is_null() || |
672 Universe::heap()->is_in_reserved(receiver->klass()), |
662 !Universe::heap()->is_in_reserved(receiver->klass()), |
673 "sanity check"); |
663 "sanity check"); |
674 } |
664 } |
675 |
665 |
676 // resolve method |
666 // resolve method |
677 CallInfo info; |
667 CallInfo info; |
743 get_index_u2_cpcache(thread, bytecode), bytecode, CHECK); |
733 get_index_u2_cpcache(thread, bytecode), bytecode, CHECK); |
744 } // end JvmtiHideSingleStepping |
734 } // end JvmtiHideSingleStepping |
745 |
735 |
746 cache_entry(thread)->set_method_handle( |
736 cache_entry(thread)->set_method_handle( |
747 info.resolved_method(), |
737 info.resolved_method(), |
748 info.resolved_appendix()); |
738 info.resolved_appendix(), |
|
739 pool->resolved_references()); |
749 } |
740 } |
750 IRT_END |
741 IRT_END |
751 |
742 |
752 |
743 |
753 // First time execution: Resolve symbols, create a permanent CallSite object. |
744 // First time execution: Resolve symbols, create a permanent CallSite object. |
760 |
751 |
761 // resolve method |
752 // resolve method |
762 CallInfo info; |
753 CallInfo info; |
763 constantPoolHandle pool(thread, method(thread)->constants()); |
754 constantPoolHandle pool(thread, method(thread)->constants()); |
764 int index = get_index_u4(thread, bytecode); |
755 int index = get_index_u4(thread, bytecode); |
765 |
|
766 { |
756 { |
767 JvmtiHideSingleStepping jhss(thread); |
757 JvmtiHideSingleStepping jhss(thread); |
768 LinkResolver::resolve_invoke(info, Handle(), pool, |
758 LinkResolver::resolve_invoke(info, Handle(), pool, |
769 index, bytecode, CHECK); |
759 index, bytecode, CHECK); |
770 } // end JvmtiHideSingleStepping |
760 } // end JvmtiHideSingleStepping |
771 |
761 |
772 pool->cache()->secondary_entry_at(index)->set_dynamic_call( |
762 ConstantPoolCacheEntry* cp_cache_entry = pool->invokedynamic_cp_cache_entry_at(index); |
|
763 cp_cache_entry->set_dynamic_call( |
773 info.resolved_method(), |
764 info.resolved_method(), |
774 info.resolved_appendix()); |
765 info.resolved_appendix(), |
|
766 pool->resolved_references()); |
775 } |
767 } |
776 IRT_END |
768 IRT_END |
777 |
769 |
778 |
770 |
779 //------------------------------------------------------------------------------------------------------------------------ |
771 //------------------------------------------------------------------------------------------------------------------------ |
788 // frequency_counter_overflow_inner ends with a safepoint check, |
780 // frequency_counter_overflow_inner ends with a safepoint check, |
789 // nm could have been unloaded so look it up again. It's unsafe |
781 // nm could have been unloaded so look it up again. It's unsafe |
790 // to examine nm directly since it might have been freed and used |
782 // to examine nm directly since it might have been freed and used |
791 // for something else. |
783 // for something else. |
792 frame fr = thread->last_frame(); |
784 frame fr = thread->last_frame(); |
793 methodOop method = fr.interpreter_frame_method(); |
785 Method* method = fr.interpreter_frame_method(); |
794 int bci = method->bci_from(fr.interpreter_frame_bcp()); |
786 int bci = method->bci_from(fr.interpreter_frame_bcp()); |
795 nm = method->lookup_osr_nmethod_for(bci, CompLevel_none, false); |
787 nm = method->lookup_osr_nmethod_for(bci, CompLevel_none, false); |
796 } |
788 } |
797 #ifndef PRODUCT |
789 #ifndef PRODUCT |
798 if (TraceOnStackReplacement) { |
790 if (TraceOnStackReplacement) { |
842 } |
834 } |
843 } |
835 } |
844 return osr_nm; |
836 return osr_nm; |
845 IRT_END |
837 IRT_END |
846 |
838 |
847 IRT_LEAF(jint, InterpreterRuntime::bcp_to_di(methodOopDesc* method, address cur_bcp)) |
839 IRT_LEAF(jint, InterpreterRuntime::bcp_to_di(Method* method, address cur_bcp)) |
848 assert(ProfileInterpreter, "must be profiling interpreter"); |
840 assert(ProfileInterpreter, "must be profiling interpreter"); |
849 int bci = method->bci_from(cur_bcp); |
841 int bci = method->bci_from(cur_bcp); |
850 methodDataOop mdo = method->method_data(); |
842 MethodData* mdo = method->method_data(); |
851 if (mdo == NULL) return 0; |
843 if (mdo == NULL) return 0; |
852 return mdo->bci_to_di(bci); |
844 return mdo->bci_to_di(bci); |
853 IRT_END |
845 IRT_END |
854 |
846 |
855 IRT_ENTRY(void, InterpreterRuntime::profile_method(JavaThread* thread)) |
847 IRT_ENTRY(void, InterpreterRuntime::profile_method(JavaThread* thread)) |
859 |
851 |
860 assert(ProfileInterpreter, "must be profiling interpreter"); |
852 assert(ProfileInterpreter, "must be profiling interpreter"); |
861 frame fr = thread->last_frame(); |
853 frame fr = thread->last_frame(); |
862 assert(fr.is_interpreted_frame(), "must come from interpreter"); |
854 assert(fr.is_interpreted_frame(), "must come from interpreter"); |
863 methodHandle method(thread, fr.interpreter_frame_method()); |
855 methodHandle method(thread, fr.interpreter_frame_method()); |
864 methodOopDesc::build_interpreter_method_data(method, THREAD); |
856 Method::build_interpreter_method_data(method, THREAD); |
865 if (HAS_PENDING_EXCEPTION) { |
857 if (HAS_PENDING_EXCEPTION) { |
866 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here"); |
858 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here"); |
867 CLEAR_PENDING_EXCEPTION; |
859 CLEAR_PENDING_EXCEPTION; |
868 // and fall through... |
860 // and fall through... |
869 } |
861 } |
870 IRT_END |
862 IRT_END |
871 |
863 |
872 |
864 |
873 #ifdef ASSERT |
865 #ifdef ASSERT |
874 IRT_LEAF(void, InterpreterRuntime::verify_mdp(methodOopDesc* method, address bcp, address mdp)) |
866 IRT_LEAF(void, InterpreterRuntime::verify_mdp(Method* method, address bcp, address mdp)) |
875 assert(ProfileInterpreter, "must be profiling interpreter"); |
867 assert(ProfileInterpreter, "must be profiling interpreter"); |
876 |
868 |
877 methodDataOop mdo = method->method_data(); |
869 MethodData* mdo = method->method_data(); |
878 assert(mdo != NULL, "must not be null"); |
870 assert(mdo != NULL, "must not be null"); |
879 |
871 |
880 int bci = method->bci_from(bcp); |
872 int bci = method->bci_from(bcp); |
881 |
873 |
882 address mdp2 = mdo->bci_to_dp(bci); |
874 address mdp2 = mdo->bci_to_dp(bci); |
905 assert(ProfileInterpreter, "must be profiling interpreter"); |
897 assert(ProfileInterpreter, "must be profiling interpreter"); |
906 ResourceMark rm(thread); |
898 ResourceMark rm(thread); |
907 HandleMark hm(thread); |
899 HandleMark hm(thread); |
908 frame fr = thread->last_frame(); |
900 frame fr = thread->last_frame(); |
909 assert(fr.is_interpreted_frame(), "must come from interpreter"); |
901 assert(fr.is_interpreted_frame(), "must come from interpreter"); |
910 methodDataHandle h_mdo(thread, fr.interpreter_frame_method()->method_data()); |
902 MethodData* h_mdo = fr.interpreter_frame_method()->method_data(); |
911 |
903 |
912 // Grab a lock to ensure atomic access to setting the return bci and |
904 // Grab a lock to ensure atomic access to setting the return bci and |
913 // the displacement. This can block and GC, invalidating all naked oops. |
905 // the displacement. This can block and GC, invalidating all naked oops. |
914 MutexLocker ml(RetData_lock); |
906 MutexLocker ml(RetData_lock); |
915 |
907 |
941 IRT_ENTRY(void, InterpreterRuntime::post_field_access(JavaThread *thread, oopDesc* obj, |
933 IRT_ENTRY(void, InterpreterRuntime::post_field_access(JavaThread *thread, oopDesc* obj, |
942 ConstantPoolCacheEntry *cp_entry)) |
934 ConstantPoolCacheEntry *cp_entry)) |
943 |
935 |
944 // check the access_flags for the field in the klass |
936 // check the access_flags for the field in the klass |
945 |
937 |
946 instanceKlass* ik = instanceKlass::cast(java_lang_Class::as_klassOop(cp_entry->f1_as_klass_mirror())); |
938 InstanceKlass* ik = InstanceKlass::cast(cp_entry->f1_as_klass()); |
947 int index = cp_entry->field_index(); |
939 int index = cp_entry->field_index(); |
948 if ((ik->field_access_flags(index) & JVM_ACC_FIELD_ACCESS_WATCHED) == 0) return; |
940 if ((ik->field_access_flags(index) & JVM_ACC_FIELD_ACCESS_WATCHED) == 0) return; |
949 |
941 |
950 switch(cp_entry->flag_state()) { |
942 switch(cp_entry->flag_state()) { |
951 case btos: // fall through |
943 case btos: // fall through |
964 Handle h_obj; |
956 Handle h_obj; |
965 if (!is_static) { |
957 if (!is_static) { |
966 // non-static field accessors have an object, but we need a handle |
958 // non-static field accessors have an object, but we need a handle |
967 h_obj = Handle(thread, obj); |
959 h_obj = Handle(thread, obj); |
968 } |
960 } |
969 instanceKlassHandle h_cp_entry_f1(thread, java_lang_Class::as_klassOop(cp_entry->f1_as_klass_mirror())); |
961 instanceKlassHandle h_cp_entry_f1(thread, (Klass*)cp_entry->f1_as_klass()); |
970 jfieldID fid = jfieldIDWorkaround::to_jfieldID(h_cp_entry_f1, cp_entry->f2_as_index(), is_static); |
962 jfieldID fid = jfieldIDWorkaround::to_jfieldID(h_cp_entry_f1, cp_entry->f2_as_index(), is_static); |
971 JvmtiExport::post_field_access(thread, method(thread), bcp(thread), h_cp_entry_f1, h_obj, fid); |
963 JvmtiExport::post_field_access(thread, method(thread), bcp(thread), h_cp_entry_f1, h_obj, fid); |
972 IRT_END |
964 IRT_END |
973 |
965 |
974 IRT_ENTRY(void, InterpreterRuntime::post_field_modification(JavaThread *thread, |
966 IRT_ENTRY(void, InterpreterRuntime::post_field_modification(JavaThread *thread, |
975 oopDesc* obj, ConstantPoolCacheEntry *cp_entry, jvalue *value)) |
967 oopDesc* obj, ConstantPoolCacheEntry *cp_entry, jvalue *value)) |
976 |
968 |
977 klassOop k = java_lang_Class::as_klassOop(cp_entry->f1_as_klass_mirror()); |
969 Klass* k = (Klass*)cp_entry->f1_as_klass(); |
978 |
970 |
979 // check the access_flags for the field in the klass |
971 // check the access_flags for the field in the klass |
980 instanceKlass* ik = instanceKlass::cast(k); |
972 InstanceKlass* ik = InstanceKlass::cast(k); |
981 int index = cp_entry->field_index(); |
973 int index = cp_entry->field_index(); |
982 // bail out if field modifications are not watched |
974 // bail out if field modifications are not watched |
983 if ((ik->field_access_flags(index) & JVM_ACC_FIELD_MODIFICATION_WATCHED) == 0) return; |
975 if ((ik->field_access_flags(index) & JVM_ACC_FIELD_MODIFICATION_WATCHED) == 0) return; |
984 |
976 |
985 char sig_type = '\0'; |
977 char sig_type = '\0'; |
1181 GrowableArray<uint64_t>* SignatureHandlerLibrary::_fingerprints = NULL; |
1173 GrowableArray<uint64_t>* SignatureHandlerLibrary::_fingerprints = NULL; |
1182 GrowableArray<address>* SignatureHandlerLibrary::_handlers = NULL; |
1174 GrowableArray<address>* SignatureHandlerLibrary::_handlers = NULL; |
1183 address SignatureHandlerLibrary::_buffer = NULL; |
1175 address SignatureHandlerLibrary::_buffer = NULL; |
1184 |
1176 |
1185 |
1177 |
1186 IRT_ENTRY(void, InterpreterRuntime::prepare_native_call(JavaThread* thread, methodOopDesc* method)) |
1178 IRT_ENTRY(void, InterpreterRuntime::prepare_native_call(JavaThread* thread, Method* method)) |
1187 methodHandle m(thread, method); |
1179 methodHandle m(thread, method); |
1188 assert(m->is_native(), "sanity check"); |
1180 assert(m->is_native(), "sanity check"); |
1189 // lookup native function entry point if it doesn't exist |
1181 // lookup native function entry point if it doesn't exist |
1190 bool in_base_library; |
1182 bool in_base_library; |
1191 if (!m->has_native_function()) { |
1183 if (!m->has_native_function()) { |