33 #include "classfile/vmSymbols.hpp"
34 #include "code/aotCodeCache.hpp"
35 #include "code/codeBlob.hpp"
36 #include "code/compiledIC.hpp"
37 #include "code/scopeDesc.hpp"
38 #include "code/vtableStubs.hpp"
39 #include "compiler/compilationPolicy.hpp"
40 #include "compiler/disassembler.hpp"
41 #include "compiler/oopMap.hpp"
42 #include "gc/shared/barrierSet.hpp"
43 #include "gc/shared/c1/barrierSetC1.hpp"
44 #include "gc/shared/collectedHeap.hpp"
45 #include "interpreter/bytecode.hpp"
46 #include "interpreter/interpreter.hpp"
47 #include "jfr/support/jfrIntrinsics.hpp"
48 #include "logging/log.hpp"
49 #include "memory/oopFactory.hpp"
50 #include "memory/resourceArea.hpp"
51 #include "memory/universe.hpp"
52 #include "oops/access.inline.hpp"
53 #include "oops/objArrayKlass.hpp"
54 #include "oops/objArrayOop.inline.hpp"
55 #include "oops/oop.inline.hpp"
56 #include "prims/jvmtiExport.hpp"
57 #include "runtime/atomic.hpp"
58 #include "runtime/fieldDescriptor.inline.hpp"
59 #include "runtime/frame.inline.hpp"
60 #include "runtime/handles.inline.hpp"
61 #include "runtime/interfaceSupport.inline.hpp"
62 #include "runtime/javaCalls.hpp"
63 #include "runtime/sharedRuntime.hpp"
64 #include "runtime/stackWatermarkSet.hpp"
65 #include "runtime/stubInfo.hpp"
66 #include "runtime/stubRoutines.hpp"
67 #include "runtime/vframe.inline.hpp"
68 #include "runtime/vframeArray.hpp"
69 #include "runtime/vm_version.hpp"
70 #include "utilities/copy.hpp"
71 #include "utilities/events.hpp"
72
97
98
99 void StubAssembler::set_num_rt_args(int args) {
100 if (_num_rt_args == 0) {
101 _num_rt_args = args;
102 }
103 assert(_num_rt_args == args, "can't change the number of args");
104 }
105
106 // Implementation of Runtime1
107 CodeBlob* Runtime1::_blobs[StubInfo::C1_STUB_COUNT];
108
109 #ifndef PRODUCT
110 // statistics
111 uint Runtime1::_generic_arraycopystub_cnt = 0;
112 uint Runtime1::_arraycopy_slowcase_cnt = 0;
113 uint Runtime1::_arraycopy_checkcast_cnt = 0;
114 uint Runtime1::_arraycopy_checkcast_attempt_cnt = 0;
115 uint Runtime1::_new_type_array_slowcase_cnt = 0;
116 uint Runtime1::_new_object_array_slowcase_cnt = 0;
117 uint Runtime1::_new_instance_slowcase_cnt = 0;
118 uint Runtime1::_new_multi_array_slowcase_cnt = 0;
119 uint Runtime1::_monitorenter_slowcase_cnt = 0;
120 uint Runtime1::_monitorexit_slowcase_cnt = 0;
121 uint Runtime1::_patch_code_slowcase_cnt = 0;
122 uint Runtime1::_throw_range_check_exception_count = 0;
123 uint Runtime1::_throw_index_exception_count = 0;
124 uint Runtime1::_throw_div0_exception_count = 0;
125 uint Runtime1::_throw_null_pointer_exception_count = 0;
126 uint Runtime1::_throw_class_cast_exception_count = 0;
127 uint Runtime1::_throw_incompatible_class_change_error_count = 0;
128 uint Runtime1::_throw_count = 0;
129
130 static uint _byte_arraycopy_stub_cnt = 0;
131 static uint _short_arraycopy_stub_cnt = 0;
132 static uint _int_arraycopy_stub_cnt = 0;
133 static uint _long_arraycopy_stub_cnt = 0;
134 static uint _oop_arraycopy_stub_cnt = 0;
135
136 address Runtime1::arraycopy_count_address(BasicType type) {
137 switch (type) {
138 case T_BOOLEAN:
139 case T_BYTE: return (address)&_byte_arraycopy_stub_cnt;
140 case T_CHAR:
141 case T_SHORT: return (address)&_short_arraycopy_stub_cnt;
142 case T_FLOAT:
143 case T_INT: return (address)&_int_arraycopy_stub_cnt;
144 case T_DOUBLE:
145 case T_LONG: return (address)&_long_arraycopy_stub_cnt;
146 case T_ARRAY:
147 case T_OBJECT: return (address)&_oop_arraycopy_stub_cnt;
355 FUNCTION_CASE(entry, StubRoutines::updateBytesCRC32());
356 FUNCTION_CASE(entry, StubRoutines::updateBytesCRC32C());
357 FUNCTION_CASE(entry, StubRoutines::vectorizedMismatch());
358 FUNCTION_CASE(entry, StubRoutines::dexp());
359 FUNCTION_CASE(entry, StubRoutines::dlog());
360 FUNCTION_CASE(entry, StubRoutines::dlog10());
361 FUNCTION_CASE(entry, StubRoutines::dpow());
362 FUNCTION_CASE(entry, StubRoutines::dsin());
363 FUNCTION_CASE(entry, StubRoutines::dcos());
364 FUNCTION_CASE(entry, StubRoutines::dtan());
365 FUNCTION_CASE(entry, StubRoutines::dsinh());
366 FUNCTION_CASE(entry, StubRoutines::dtanh());
367 FUNCTION_CASE(entry, StubRoutines::dcbrt());
368
369 #undef FUNCTION_CASE
370
371 // Soft float adds more runtime names.
372 return pd_name_for_address(entry);
373 }
374
375
376 JRT_ENTRY(void, Runtime1::new_instance(JavaThread* current, Klass* klass))
377 #ifndef PRODUCT
378 if (PrintC1Statistics) {
379 _new_instance_slowcase_cnt++;
380 }
381 #endif
382 assert(klass->is_klass(), "not a class");
383 Handle holder(current, klass->klass_holder()); // keep the klass alive
384 InstanceKlass* h = InstanceKlass::cast(klass);
385 h->check_valid_for_instantiation(true, CHECK);
386 // make sure klass is initialized
387 h->initialize(CHECK);
388 // allocate instance and return via TLS
389 oop obj = h->allocate_instance(CHECK);
390 current->set_vm_result_oop(obj);
391 JRT_END
392
393
394 JRT_ENTRY(void, Runtime1::new_type_array(JavaThread* current, Klass* klass, jint length))
395 #ifndef PRODUCT
396 if (PrintC1Statistics) {
397 _new_type_array_slowcase_cnt++;
398 }
399 #endif
400 // Note: no handle for klass needed since they are not used
401 // anymore after new_typeArray() and no GC can happen before.
402 // (This may have to change if this code changes!)
403 assert(klass->is_klass(), "not a class");
404 BasicType elt_type = TypeArrayKlass::cast(klass)->element_type();
405 oop obj = oopFactory::new_typeArray(elt_type, length, CHECK);
406 current->set_vm_result_oop(obj);
407 // This is pretty rare but this runtime patch is stressful to deoptimization
408 // if we deoptimize here so force a deopt to stress the path.
409 if (DeoptimizeALot) {
410 deopt_caller(current);
411 }
412
418 if (PrintC1Statistics) {
419 _new_object_array_slowcase_cnt++;
420 }
421 #endif
422 // Note: no handle for klass needed since they are not used
423 // anymore after new_objArray() and no GC can happen before.
424 // (This may have to change if this code changes!)
425 assert(array_klass->is_klass(), "not a class");
426 Handle holder(current, array_klass->klass_holder()); // keep the klass alive
427 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
428 objArrayOop obj = oopFactory::new_objArray(elem_klass, length, CHECK);
429 current->set_vm_result_oop(obj);
430 // This is pretty rare but this runtime patch is stressful to deoptimization
431 // if we deoptimize here so force a deopt to stress the path.
432 if (DeoptimizeALot) {
433 deopt_caller(current);
434 }
435 JRT_END
436
437
438 JRT_ENTRY(void, Runtime1::new_multi_array(JavaThread* current, Klass* klass, int rank, jint* dims))
439 #ifndef PRODUCT
440 if (PrintC1Statistics) {
441 _new_multi_array_slowcase_cnt++;
442 }
443 #endif
444 assert(klass->is_klass(), "not a class");
445 assert(rank >= 1, "rank must be nonzero");
446 Handle holder(current, klass->klass_holder()); // keep the klass alive
447 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
448 current->set_vm_result_oop(obj);
449 JRT_END
450
451
452 JRT_ENTRY(void, Runtime1::unimplemented_entry(JavaThread* current, StubId id))
453 tty->print_cr("Runtime1::entry_for(%d) returned unimplemented entry point", (int)id);
454 JRT_END
455
456
457 JRT_ENTRY(void, Runtime1::throw_array_store_exception(JavaThread* current, oopDesc* obj))
458 ResourceMark rm(current);
459 const char* klass_name = obj->klass()->external_name();
460 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_ArrayStoreException(), klass_name);
461 JRT_END
462
463
464 // counter_overflow() is called from within C1-compiled methods. The enclosing method is the method
465 // associated with the top activation record. The inlinee (that is possibly included in the enclosing
466 // method) method is passed as an argument. In order to do that it is embedded in the code as
467 // a constant.
468 static nmethod* counter_overflow_helper(JavaThread* current, int branch_bci, Method* m) {
469 nmethod* osr_nm = nullptr;
470 methodHandle method(current, m);
471
755 _throw_class_cast_exception_count++;
756 }
757 #endif
758 ResourceMark rm(current);
759 char* message = SharedRuntime::generate_class_cast_message(current, object->klass());
760 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_ClassCastException(), message);
761 JRT_END
762
763
764 JRT_ENTRY(void, Runtime1::throw_incompatible_class_change_error(JavaThread* current))
765 #ifndef PRODUCT
766 if (PrintC1Statistics) {
767 _throw_incompatible_class_change_error_count++;
768 }
769 #endif
770 ResourceMark rm(current);
771 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_IncompatibleClassChangeError());
772 JRT_END
773
774
775 JRT_BLOCK_ENTRY(void, Runtime1::monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock))
776 #ifndef PRODUCT
777 if (PrintC1Statistics) {
778 _monitorenter_slowcase_cnt++;
779 }
780 #endif
781 if (LockingMode == LM_MONITOR) {
782 lock->set_obj(obj);
783 }
784 assert(obj == lock->obj(), "must match");
785 SharedRuntime::monitor_enter_helper(obj, lock->lock(), current);
786 JRT_END
787
788
789 JRT_LEAF(void, Runtime1::monitorexit(JavaThread* current, BasicObjectLock* lock))
790 assert(current == JavaThread::current(), "pre-condition");
791 #ifndef PRODUCT
792 if (PrintC1Statistics) {
793 _monitorexit_slowcase_cnt++;
794 }
960 RegisterMap::WalkContinuation::skip);
961 frame runtime_frame = current->last_frame();
962 frame caller_frame = runtime_frame.sender(®_map);
963
964 // last java frame on stack
965 vframeStream vfst(current, true);
966 assert(!vfst.at_end(), "Java frame must exist");
967
968 methodHandle caller_method(current, vfst.method());
969 // Note that caller_method->code() may not be same as caller_code because of OSR's
970 // Note also that in the presence of inlining it is not guaranteed
971 // that caller_method() == caller_code->method()
972
973 int bci = vfst.bci();
974 Bytecodes::Code code = caller_method()->java_code_at(bci);
975
976 // this is used by assertions in the access_field_patching_id
977 BasicType patch_field_type = T_ILLEGAL;
978 bool deoptimize_for_volatile = false;
979 bool deoptimize_for_atomic = false;
980 int patch_field_offset = -1;
981 Klass* init_klass = nullptr; // klass needed by load_klass_patching code
982 Klass* load_klass = nullptr; // klass needed by load_klass_patching code
983 Handle mirror(current, nullptr); // oop needed by load_mirror_patching code
984 Handle appendix(current, nullptr); // oop needed by appendix_patching code
985 bool load_klass_or_mirror_patch_id =
986 (stub_id == StubId::c1_load_klass_patching_id || stub_id == StubId::c1_load_mirror_patching_id);
987
988 if (stub_id == StubId::c1_access_field_patching_id) {
989
990 Bytecode_field field_access(caller_method, bci);
991 fieldDescriptor result; // initialize class if needed
992 Bytecodes::Code code = field_access.code();
993 constantPoolHandle constants(current, caller_method->constants());
994 LinkResolver::resolve_field_access(result, constants, field_access.index(), caller_method, Bytecodes::java_code(code), CHECK);
995 patch_field_offset = result.offset();
996
997 // If we're patching a field which is volatile then at compile it
998 // must not have been know to be volatile, so the generated code
999 // isn't correct for a volatile reference. The nmethod has to be
1003 // used for patching references to oops which don't need special
1004 // handling in the volatile case.
1005
1006 deoptimize_for_volatile = result.access_flags().is_volatile();
1007
1008 // If we are patching a field which should be atomic, then
1009 // the generated code is not correct either, force deoptimizing.
1010 // We need to only cover T_LONG and T_DOUBLE fields, as we can
1011 // break access atomicity only for them.
1012
1013 // Strictly speaking, the deoptimization on 64-bit platforms
1014 // is unnecessary, and T_LONG stores on 32-bit platforms need
1015 // to be handled by special patching code when AlwaysAtomicAccesses
1016 // becomes product feature. At this point, we are still going
1017 // for the deoptimization for consistency against volatile
1018 // accesses.
1019
1020 patch_field_type = result.field_type();
1021 deoptimize_for_atomic = (AlwaysAtomicAccesses && (patch_field_type == T_DOUBLE || patch_field_type == T_LONG));
1022
1023 } else if (load_klass_or_mirror_patch_id) {
1024 Klass* k = nullptr;
1025 switch (code) {
1026 case Bytecodes::_putstatic:
1027 case Bytecodes::_getstatic:
1028 { Klass* klass = resolve_field_return_klass(caller_method, bci, CHECK);
1029 init_klass = klass;
1030 mirror = Handle(current, klass->java_mirror());
1031 }
1032 break;
1033 case Bytecodes::_new:
1034 { Bytecode_new bnew(caller_method(), caller_method->bcp_from(bci));
1035 k = caller_method->constants()->klass_at(bnew.index(), CHECK);
1036 }
1037 break;
1038 case Bytecodes::_multianewarray:
1039 { Bytecode_multianewarray mna(caller_method(), caller_method->bcp_from(bci));
1040 k = caller_method->constants()->klass_at(mna.index(), CHECK);
1041 }
1042 break;
1043 case Bytecodes::_instanceof:
1044 { Bytecode_instanceof io(caller_method(), caller_method->bcp_from(bci));
1045 k = caller_method->constants()->klass_at(io.index(), CHECK);
1046 }
1047 break;
1048 case Bytecodes::_checkcast:
1049 { Bytecode_checkcast cc(caller_method(), caller_method->bcp_from(bci));
1050 k = caller_method->constants()->klass_at(cc.index(), CHECK);
1051 }
1052 break;
1053 case Bytecodes::_anewarray:
1054 { Bytecode_anewarray anew(caller_method(), caller_method->bcp_from(bci));
1055 Klass* ek = caller_method->constants()->klass_at(anew.index(), CHECK);
1056 k = ek->array_klass(CHECK);
1057 }
1058 break;
1059 case Bytecodes::_ldc:
1060 case Bytecodes::_ldc_w:
1061 case Bytecodes::_ldc2_w:
1062 {
1063 Bytecode_loadconstant cc(caller_method, bci);
1064 oop m = cc.resolve_constant(CHECK);
1065 mirror = Handle(current, m);
1066 }
1067 break;
1068 default: fatal("unexpected bytecode for load_klass_or_mirror_patch_id");
1069 }
1070 load_klass = k;
1071 } else if (stub_id == StubId::c1_load_appendix_patching_id) {
1072 Bytecode_invoke bytecode(caller_method, bci);
1073 Bytecodes::Code bc = bytecode.invoke_code();
1074
1075 CallInfo info;
1076 constantPoolHandle pool(current, caller_method->constants());
1077 int index = bytecode.index();
1078 LinkResolver::resolve_invoke(info, Handle(), pool, index, bc, CHECK);
1079 switch (bc) {
1080 case Bytecodes::_invokehandle: {
1081 ResolvedMethodEntry* entry = pool->cache()->set_method_handle(index, info);
1082 appendix = Handle(current, pool->cache()->appendix_if_resolved(entry));
1083 break;
1084 }
1085 case Bytecodes::_invokedynamic: {
1086 appendix = Handle(current, pool->cache()->set_dynamic_call(info, index));
1087 break;
1088 }
1089 default: fatal("unexpected bytecode for load_appendix_patching_id");
1090 }
1091 } else {
1092 ShouldNotReachHere();
1093 }
1094
1095 if (deoptimize_for_volatile || deoptimize_for_atomic) {
1096 // At compile time we assumed the field wasn't volatile/atomic but after
1097 // loading it turns out it was volatile/atomic so we have to throw the
1098 // compiled code out and let it be regenerated.
1099 if (TracePatching) {
1100 if (deoptimize_for_volatile) {
1101 tty->print_cr("Deoptimizing for patching volatile field reference");
1102 }
1103 if (deoptimize_for_atomic) {
1104 tty->print_cr("Deoptimizing for patching atomic field reference");
1105 }
1106 }
1107
1108 // It's possible the nmethod was invalidated in the last
1109 // safepoint, but if it's still alive then make it not_entrant.
1110 nmethod* nm = CodeCache::find_nmethod(caller_frame.pc());
1111 if (nm != nullptr) {
1112 nm->make_not_entrant(nmethod::InvalidationReason::C1_CODEPATCH);
1113 }
1114
1115 Deoptimization::deoptimize_frame(current, caller_frame.id());
1116
1117 // Return to the now deoptimized frame.
1118 }
1119
1120 // Now copy code back
1121
1122 {
1123 MutexLocker ml_code (current, CodeCache_lock, Mutex::_no_safepoint_check_flag);
1124 //
1125 // Deoptimization may have happened while we waited for the lock.
1536 #ifndef PRODUCT
1537 void Runtime1::print_statistics() {
1538 tty->print_cr("C1 Runtime statistics:");
1539 tty->print_cr(" _resolve_invoke_virtual_cnt: %u", SharedRuntime::_resolve_virtual_ctr);
1540 tty->print_cr(" _resolve_invoke_opt_virtual_cnt: %u", SharedRuntime::_resolve_opt_virtual_ctr);
1541 tty->print_cr(" _resolve_invoke_static_cnt: %u", SharedRuntime::_resolve_static_ctr);
1542 tty->print_cr(" _handle_wrong_method_cnt: %u", SharedRuntime::_wrong_method_ctr);
1543 tty->print_cr(" _ic_miss_cnt: %u", SharedRuntime::_ic_miss_ctr);
1544 tty->print_cr(" _generic_arraycopystub_cnt: %u", _generic_arraycopystub_cnt);
1545 tty->print_cr(" _byte_arraycopy_cnt: %u", _byte_arraycopy_stub_cnt);
1546 tty->print_cr(" _short_arraycopy_cnt: %u", _short_arraycopy_stub_cnt);
1547 tty->print_cr(" _int_arraycopy_cnt: %u", _int_arraycopy_stub_cnt);
1548 tty->print_cr(" _long_arraycopy_cnt: %u", _long_arraycopy_stub_cnt);
1549 tty->print_cr(" _oop_arraycopy_cnt: %u", _oop_arraycopy_stub_cnt);
1550 tty->print_cr(" _arraycopy_slowcase_cnt: %u", _arraycopy_slowcase_cnt);
1551 tty->print_cr(" _arraycopy_checkcast_cnt: %u", _arraycopy_checkcast_cnt);
1552 tty->print_cr(" _arraycopy_checkcast_attempt_cnt:%u", _arraycopy_checkcast_attempt_cnt);
1553
1554 tty->print_cr(" _new_type_array_slowcase_cnt: %u", _new_type_array_slowcase_cnt);
1555 tty->print_cr(" _new_object_array_slowcase_cnt: %u", _new_object_array_slowcase_cnt);
1556 tty->print_cr(" _new_instance_slowcase_cnt: %u", _new_instance_slowcase_cnt);
1557 tty->print_cr(" _new_multi_array_slowcase_cnt: %u", _new_multi_array_slowcase_cnt);
1558 tty->print_cr(" _monitorenter_slowcase_cnt: %u", _monitorenter_slowcase_cnt);
1559 tty->print_cr(" _monitorexit_slowcase_cnt: %u", _monitorexit_slowcase_cnt);
1560 tty->print_cr(" _patch_code_slowcase_cnt: %u", _patch_code_slowcase_cnt);
1561
1562 tty->print_cr(" _throw_range_check_exception_count: %u:", _throw_range_check_exception_count);
1563 tty->print_cr(" _throw_index_exception_count: %u:", _throw_index_exception_count);
1564 tty->print_cr(" _throw_div0_exception_count: %u:", _throw_div0_exception_count);
1565 tty->print_cr(" _throw_null_pointer_exception_count: %u:", _throw_null_pointer_exception_count);
1566 tty->print_cr(" _throw_class_cast_exception_count: %u:", _throw_class_cast_exception_count);
1567 tty->print_cr(" _throw_incompatible_class_change_error_count: %u:", _throw_incompatible_class_change_error_count);
1568 tty->print_cr(" _throw_count: %u:", _throw_count);
1569
1570 SharedRuntime::print_ic_miss_histogram();
1571 tty->cr();
1572 }
1573 #endif // PRODUCT
|
33 #include "classfile/vmSymbols.hpp"
34 #include "code/aotCodeCache.hpp"
35 #include "code/codeBlob.hpp"
36 #include "code/compiledIC.hpp"
37 #include "code/scopeDesc.hpp"
38 #include "code/vtableStubs.hpp"
39 #include "compiler/compilationPolicy.hpp"
40 #include "compiler/disassembler.hpp"
41 #include "compiler/oopMap.hpp"
42 #include "gc/shared/barrierSet.hpp"
43 #include "gc/shared/c1/barrierSetC1.hpp"
44 #include "gc/shared/collectedHeap.hpp"
45 #include "interpreter/bytecode.hpp"
46 #include "interpreter/interpreter.hpp"
47 #include "jfr/support/jfrIntrinsics.hpp"
48 #include "logging/log.hpp"
49 #include "memory/oopFactory.hpp"
50 #include "memory/resourceArea.hpp"
51 #include "memory/universe.hpp"
52 #include "oops/access.inline.hpp"
53 #include "oops/flatArrayKlass.hpp"
54 #include "oops/flatArrayOop.inline.hpp"
55 #include "oops/objArrayKlass.hpp"
56 #include "oops/objArrayOop.inline.hpp"
57 #include "oops/oop.inline.hpp"
58 #include "prims/jvmtiExport.hpp"
59 #include "runtime/atomic.hpp"
60 #include "runtime/fieldDescriptor.inline.hpp"
61 #include "runtime/frame.inline.hpp"
62 #include "runtime/handles.inline.hpp"
63 #include "runtime/interfaceSupport.inline.hpp"
64 #include "runtime/javaCalls.hpp"
65 #include "runtime/sharedRuntime.hpp"
66 #include "runtime/stackWatermarkSet.hpp"
67 #include "runtime/stubInfo.hpp"
68 #include "runtime/stubRoutines.hpp"
69 #include "runtime/vframe.inline.hpp"
70 #include "runtime/vframeArray.hpp"
71 #include "runtime/vm_version.hpp"
72 #include "utilities/copy.hpp"
73 #include "utilities/events.hpp"
74
99
100
101 void StubAssembler::set_num_rt_args(int args) {
102 if (_num_rt_args == 0) {
103 _num_rt_args = args;
104 }
105 assert(_num_rt_args == args, "can't change the number of args");
106 }
107
108 // Implementation of Runtime1
109 CodeBlob* Runtime1::_blobs[StubInfo::C1_STUB_COUNT];
110
111 #ifndef PRODUCT
112 // statistics
113 uint Runtime1::_generic_arraycopystub_cnt = 0;
114 uint Runtime1::_arraycopy_slowcase_cnt = 0;
115 uint Runtime1::_arraycopy_checkcast_cnt = 0;
116 uint Runtime1::_arraycopy_checkcast_attempt_cnt = 0;
117 uint Runtime1::_new_type_array_slowcase_cnt = 0;
118 uint Runtime1::_new_object_array_slowcase_cnt = 0;
119 uint Runtime1::_new_null_free_array_slowcase_cnt = 0;
120 uint Runtime1::_new_instance_slowcase_cnt = 0;
121 uint Runtime1::_new_multi_array_slowcase_cnt = 0;
122 uint Runtime1::_load_flat_array_slowcase_cnt = 0;
123 uint Runtime1::_store_flat_array_slowcase_cnt = 0;
124 uint Runtime1::_substitutability_check_slowcase_cnt = 0;
125 uint Runtime1::_buffer_inline_args_slowcase_cnt = 0;
126 uint Runtime1::_buffer_inline_args_no_receiver_slowcase_cnt = 0;
127 uint Runtime1::_monitorenter_slowcase_cnt = 0;
128 uint Runtime1::_monitorexit_slowcase_cnt = 0;
129 uint Runtime1::_patch_code_slowcase_cnt = 0;
130 uint Runtime1::_throw_range_check_exception_count = 0;
131 uint Runtime1::_throw_index_exception_count = 0;
132 uint Runtime1::_throw_div0_exception_count = 0;
133 uint Runtime1::_throw_null_pointer_exception_count = 0;
134 uint Runtime1::_throw_class_cast_exception_count = 0;
135 uint Runtime1::_throw_incompatible_class_change_error_count = 0;
136 uint Runtime1::_throw_illegal_monitor_state_exception_count = 0;
137 uint Runtime1::_throw_identity_exception_count = 0;
138 uint Runtime1::_throw_count = 0;
139
140 static uint _byte_arraycopy_stub_cnt = 0;
141 static uint _short_arraycopy_stub_cnt = 0;
142 static uint _int_arraycopy_stub_cnt = 0;
143 static uint _long_arraycopy_stub_cnt = 0;
144 static uint _oop_arraycopy_stub_cnt = 0;
145
146 address Runtime1::arraycopy_count_address(BasicType type) {
147 switch (type) {
148 case T_BOOLEAN:
149 case T_BYTE: return (address)&_byte_arraycopy_stub_cnt;
150 case T_CHAR:
151 case T_SHORT: return (address)&_short_arraycopy_stub_cnt;
152 case T_FLOAT:
153 case T_INT: return (address)&_int_arraycopy_stub_cnt;
154 case T_DOUBLE:
155 case T_LONG: return (address)&_long_arraycopy_stub_cnt;
156 case T_ARRAY:
157 case T_OBJECT: return (address)&_oop_arraycopy_stub_cnt;
365 FUNCTION_CASE(entry, StubRoutines::updateBytesCRC32());
366 FUNCTION_CASE(entry, StubRoutines::updateBytesCRC32C());
367 FUNCTION_CASE(entry, StubRoutines::vectorizedMismatch());
368 FUNCTION_CASE(entry, StubRoutines::dexp());
369 FUNCTION_CASE(entry, StubRoutines::dlog());
370 FUNCTION_CASE(entry, StubRoutines::dlog10());
371 FUNCTION_CASE(entry, StubRoutines::dpow());
372 FUNCTION_CASE(entry, StubRoutines::dsin());
373 FUNCTION_CASE(entry, StubRoutines::dcos());
374 FUNCTION_CASE(entry, StubRoutines::dtan());
375 FUNCTION_CASE(entry, StubRoutines::dsinh());
376 FUNCTION_CASE(entry, StubRoutines::dtanh());
377 FUNCTION_CASE(entry, StubRoutines::dcbrt());
378
379 #undef FUNCTION_CASE
380
381 // Soft float adds more runtime names.
382 return pd_name_for_address(entry);
383 }
384
385 static void allocate_instance(JavaThread* current, Klass* klass, TRAPS) {
386 #ifndef PRODUCT
387 if (PrintC1Statistics) {
388 Runtime1::_new_instance_slowcase_cnt++;
389 }
390 #endif
391 assert(klass->is_klass(), "not a class");
392 Handle holder(current, klass->klass_holder()); // keep the klass alive
393 InstanceKlass* h = InstanceKlass::cast(klass);
394 h->check_valid_for_instantiation(true, CHECK);
395 // make sure klass is initialized
396 h->initialize(CHECK);
397 // allocate instance and return via TLS
398 oop obj = h->allocate_instance(CHECK);
399 current->set_vm_result_oop(obj);
400 JRT_END
401
402 JRT_ENTRY(void, Runtime1::new_instance(JavaThread* current, Klass* klass))
403 allocate_instance(current, klass, CHECK);
404 JRT_END
405
406 JRT_ENTRY(void, Runtime1::new_type_array(JavaThread* current, Klass* klass, jint length))
407 #ifndef PRODUCT
408 if (PrintC1Statistics) {
409 _new_type_array_slowcase_cnt++;
410 }
411 #endif
412 // Note: no handle for klass needed since they are not used
413 // anymore after new_typeArray() and no GC can happen before.
414 // (This may have to change if this code changes!)
415 assert(klass->is_klass(), "not a class");
416 BasicType elt_type = TypeArrayKlass::cast(klass)->element_type();
417 oop obj = oopFactory::new_typeArray(elt_type, length, CHECK);
418 current->set_vm_result_oop(obj);
419 // This is pretty rare but this runtime patch is stressful to deoptimization
420 // if we deoptimize here so force a deopt to stress the path.
421 if (DeoptimizeALot) {
422 deopt_caller(current);
423 }
424
430 if (PrintC1Statistics) {
431 _new_object_array_slowcase_cnt++;
432 }
433 #endif
434 // Note: no handle for klass needed since they are not used
435 // anymore after new_objArray() and no GC can happen before.
436 // (This may have to change if this code changes!)
437 assert(array_klass->is_klass(), "not a class");
438 Handle holder(current, array_klass->klass_holder()); // keep the klass alive
439 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
440 objArrayOop obj = oopFactory::new_objArray(elem_klass, length, CHECK);
441 current->set_vm_result_oop(obj);
442 // This is pretty rare but this runtime patch is stressful to deoptimization
443 // if we deoptimize here so force a deopt to stress the path.
444 if (DeoptimizeALot) {
445 deopt_caller(current);
446 }
447 JRT_END
448
449
450 JRT_ENTRY(void, Runtime1::new_null_free_array(JavaThread* current, Klass* array_klass, jint length))
451 NOT_PRODUCT(_new_null_free_array_slowcase_cnt++;)
452 // TODO 8350865 This is dead code since 8325660 because null-free arrays can only be created via the factory methods that are not yet implemented in C1. Should probably be fixed by 8265122.
453
454 // Note: no handle for klass needed since they are not used
455 // anymore after new_objArray() and no GC can happen before.
456 // (This may have to change if this code changes!)
457 assert(array_klass->is_klass(), "not a class");
458 Handle holder(THREAD, array_klass->klass_holder()); // keep the klass alive
459 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
460 assert(elem_klass->is_inline_klass(), "must be");
461 InlineKlass* vk = InlineKlass::cast(elem_klass);
462 // Logically creates elements, ensure klass init
463 elem_klass->initialize(CHECK);
464 arrayOop obj= oopFactory::new_objArray(elem_klass, length, ArrayKlass::ArrayProperties::NULL_RESTRICTED, CHECK);
465 current->set_vm_result_oop(obj);
466 // This is pretty rare but this runtime patch is stressful to deoptimization
467 // if we deoptimize here so force a deopt to stress the path.
468 if (DeoptimizeALot) {
469 deopt_caller(current);
470 }
471 JRT_END
472
473
474 JRT_ENTRY(void, Runtime1::new_multi_array(JavaThread* current, Klass* klass, int rank, jint* dims))
475 #ifndef PRODUCT
476 if (PrintC1Statistics) {
477 _new_multi_array_slowcase_cnt++;
478 }
479 #endif
480 assert(klass->is_klass(), "not a class");
481 assert(rank >= 1, "rank must be nonzero");
482 Handle holder(current, klass->klass_holder()); // keep the klass alive
483 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
484 current->set_vm_result_oop(obj);
485 JRT_END
486
487
488 static void profile_flat_array(JavaThread* current, bool load, bool null_free) {
489 ResourceMark rm(current);
490 vframeStream vfst(current, true);
491 assert(!vfst.at_end(), "Java frame must exist");
492 // Check if array access profiling is enabled
493 if (vfst.nm()->comp_level() != CompLevel_full_profile || !C1UpdateMethodData) {
494 return;
495 }
496 int bci = vfst.bci();
497 Method* method = vfst.method();
498 MethodData* md = method->method_data();
499 if (md != nullptr) {
500 // Lock to access ProfileData, and ensure lock is not broken by a safepoint
501 MutexLocker ml(md->extra_data_lock(), Mutex::_no_safepoint_check_flag);
502
503 ProfileData* data = md->bci_to_data(bci);
504 assert(data != nullptr, "incorrect profiling entry");
505 if (data->is_ArrayLoadData()) {
506 assert(load, "should be an array load");
507 ArrayLoadData* load_data = (ArrayLoadData*) data;
508 load_data->set_flat_array();
509 if (null_free) {
510 load_data->set_null_free_array();
511 }
512 } else {
513 assert(data->is_ArrayStoreData(), "");
514 assert(!load, "should be an array store");
515 ArrayStoreData* store_data = (ArrayStoreData*) data;
516 store_data->set_flat_array();
517 if (null_free) {
518 store_data->set_null_free_array();
519 }
520 }
521 }
522 }
523
524 JRT_ENTRY(void, Runtime1::load_flat_array(JavaThread* current, flatArrayOopDesc* array, int index))
525 assert(array->klass()->is_flatArray_klass(), "should not be called");
526 profile_flat_array(current, true, array->is_null_free_array());
527
528 NOT_PRODUCT(_load_flat_array_slowcase_cnt++;)
529 assert(array->length() > 0 && index < array->length(), "already checked");
530 flatArrayHandle vah(current, array);
531 oop obj = array->obj_at(index, CHECK);
532 current->set_vm_result_oop(obj);
533 JRT_END
534
535 JRT_ENTRY(void, Runtime1::store_flat_array(JavaThread* current, flatArrayOopDesc* array, int index, oopDesc* value))
536 // TOOD 8350865 We can call here with a non-flat array because of LIR_Assembler::emit_opFlattenedArrayCheck
537 if (array->klass()->is_flatArray_klass()) {
538 profile_flat_array(current, false, array->is_null_free_array());
539 }
540
541 NOT_PRODUCT(_store_flat_array_slowcase_cnt++;)
542 if (value == nullptr && array->is_null_free_array()) {
543 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_NullPointerException());
544 } else {
545 assert(array->klass()->is_flatArray_klass(), "should not be called");
546 array->obj_at_put(index, value, CHECK);
547 }
548 JRT_END
549
550 JRT_ENTRY(int, Runtime1::substitutability_check(JavaThread* current, oopDesc* left, oopDesc* right))
551 NOT_PRODUCT(_substitutability_check_slowcase_cnt++;)
552 JavaCallArguments args;
553 args.push_oop(Handle(THREAD, left));
554 args.push_oop(Handle(THREAD, right));
555 JavaValue result(T_BOOLEAN);
556 JavaCalls::call_static(&result,
557 vmClasses::ValueObjectMethods_klass(),
558 vmSymbols::isSubstitutable_name(),
559 vmSymbols::object_object_boolean_signature(),
560 &args, CHECK_0);
561 return result.get_jboolean() ? 1 : 0;
562 JRT_END
563
564
565 extern "C" void ps();
566
567 void Runtime1::buffer_inline_args_impl(JavaThread* current, Method* m, bool allocate_receiver) {
568 JavaThread* THREAD = current;
569 methodHandle method(current, m); // We are inside the verified_entry or verified_inline_ro_entry of this method.
570 oop obj = SharedRuntime::allocate_inline_types_impl(current, method, allocate_receiver, CHECK);
571 current->set_vm_result_oop(obj);
572 }
573
574 JRT_ENTRY(void, Runtime1::buffer_inline_args(JavaThread* current, Method* method))
575 NOT_PRODUCT(_buffer_inline_args_slowcase_cnt++;)
576 buffer_inline_args_impl(current, method, true);
577 JRT_END
578
579 JRT_ENTRY(void, Runtime1::buffer_inline_args_no_receiver(JavaThread* current, Method* method))
580 NOT_PRODUCT(_buffer_inline_args_no_receiver_slowcase_cnt++;)
581 buffer_inline_args_impl(current, method, false);
582 JRT_END
583
584 JRT_ENTRY(void, Runtime1::unimplemented_entry(JavaThread* current, StubId id))
585 tty->print_cr("Runtime1::entry_for(%d) returned unimplemented entry point", (int)id);
586 JRT_END
587
588
589 JRT_ENTRY(void, Runtime1::throw_array_store_exception(JavaThread* current, oopDesc* obj))
590 ResourceMark rm(current);
591 const char* klass_name = obj->klass()->external_name();
592 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_ArrayStoreException(), klass_name);
593 JRT_END
594
595
596 // counter_overflow() is called from within C1-compiled methods. The enclosing method is the method
597 // associated with the top activation record. The inlinee (that is possibly included in the enclosing
598 // method) method is passed as an argument. In order to do that it is embedded in the code as
599 // a constant.
600 static nmethod* counter_overflow_helper(JavaThread* current, int branch_bci, Method* m) {
601 nmethod* osr_nm = nullptr;
602 methodHandle method(current, m);
603
887 _throw_class_cast_exception_count++;
888 }
889 #endif
890 ResourceMark rm(current);
891 char* message = SharedRuntime::generate_class_cast_message(current, object->klass());
892 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_ClassCastException(), message);
893 JRT_END
894
895
896 JRT_ENTRY(void, Runtime1::throw_incompatible_class_change_error(JavaThread* current))
897 #ifndef PRODUCT
898 if (PrintC1Statistics) {
899 _throw_incompatible_class_change_error_count++;
900 }
901 #endif
902 ResourceMark rm(current);
903 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_IncompatibleClassChangeError());
904 JRT_END
905
906
907 JRT_ENTRY(void, Runtime1::throw_illegal_monitor_state_exception(JavaThread* current))
908 NOT_PRODUCT(_throw_illegal_monitor_state_exception_count++;)
909 ResourceMark rm(current);
910 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_IllegalMonitorStateException());
911 JRT_END
912
913 JRT_ENTRY(void, Runtime1::throw_identity_exception(JavaThread* current, oopDesc* object))
914 NOT_PRODUCT(_throw_identity_exception_count++;)
915 ResourceMark rm(current);
916 char* message = SharedRuntime::generate_identity_exception_message(current, object->klass());
917 SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_IdentityException(), message);
918 JRT_END
919
920 JRT_BLOCK_ENTRY(void, Runtime1::monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock))
921 #ifndef PRODUCT
922 if (PrintC1Statistics) {
923 _monitorenter_slowcase_cnt++;
924 }
925 #endif
926 if (LockingMode == LM_MONITOR) {
927 lock->set_obj(obj);
928 }
929 assert(obj == lock->obj(), "must match");
930 SharedRuntime::monitor_enter_helper(obj, lock->lock(), current);
931 JRT_END
932
933
934 JRT_LEAF(void, Runtime1::monitorexit(JavaThread* current, BasicObjectLock* lock))
935 assert(current == JavaThread::current(), "pre-condition");
936 #ifndef PRODUCT
937 if (PrintC1Statistics) {
938 _monitorexit_slowcase_cnt++;
939 }
1105 RegisterMap::WalkContinuation::skip);
1106 frame runtime_frame = current->last_frame();
1107 frame caller_frame = runtime_frame.sender(®_map);
1108
1109 // last java frame on stack
1110 vframeStream vfst(current, true);
1111 assert(!vfst.at_end(), "Java frame must exist");
1112
1113 methodHandle caller_method(current, vfst.method());
1114 // Note that caller_method->code() may not be same as caller_code because of OSR's
1115 // Note also that in the presence of inlining it is not guaranteed
1116 // that caller_method() == caller_code->method()
1117
1118 int bci = vfst.bci();
1119 Bytecodes::Code code = caller_method()->java_code_at(bci);
1120
1121 // this is used by assertions in the access_field_patching_id
1122 BasicType patch_field_type = T_ILLEGAL;
1123 bool deoptimize_for_volatile = false;
1124 bool deoptimize_for_atomic = false;
1125 bool deoptimize_for_null_free = false;
1126 bool deoptimize_for_flat = false;
1127 bool deoptimize_for_strict_static = false;
1128 int patch_field_offset = -1;
1129 Klass* init_klass = nullptr; // klass needed by load_klass_patching code
1130 Klass* load_klass = nullptr; // klass needed by load_klass_patching code
1131 Handle mirror(current, nullptr); // oop needed by load_mirror_patching code
1132 Handle appendix(current, nullptr); // oop needed by appendix_patching code
1133 bool load_klass_or_mirror_patch_id =
1134 (stub_id == StubId::c1_load_klass_patching_id || stub_id == StubId::c1_load_mirror_patching_id);
1135
1136 if (stub_id == StubId::c1_access_field_patching_id) {
1137
1138 Bytecode_field field_access(caller_method, bci);
1139 fieldDescriptor result; // initialize class if needed
1140 Bytecodes::Code code = field_access.code();
1141 constantPoolHandle constants(current, caller_method->constants());
1142 LinkResolver::resolve_field_access(result, constants, field_access.index(), caller_method, Bytecodes::java_code(code), CHECK);
1143 patch_field_offset = result.offset();
1144
1145 // If we're patching a field which is volatile then at compile it
1146 // must not have been know to be volatile, so the generated code
1147 // isn't correct for a volatile reference. The nmethod has to be
1151 // used for patching references to oops which don't need special
1152 // handling in the volatile case.
1153
1154 deoptimize_for_volatile = result.access_flags().is_volatile();
1155
1156 // If we are patching a field which should be atomic, then
1157 // the generated code is not correct either, force deoptimizing.
1158 // We need to only cover T_LONG and T_DOUBLE fields, as we can
1159 // break access atomicity only for them.
1160
1161 // Strictly speaking, the deoptimization on 64-bit platforms
1162 // is unnecessary, and T_LONG stores on 32-bit platforms need
1163 // to be handled by special patching code when AlwaysAtomicAccesses
1164 // becomes product feature. At this point, we are still going
1165 // for the deoptimization for consistency against volatile
1166 // accesses.
1167
1168 patch_field_type = result.field_type();
1169 deoptimize_for_atomic = (AlwaysAtomicAccesses && (patch_field_type == T_DOUBLE || patch_field_type == T_LONG));
1170
1171 // The field we are patching is null-free. Deoptimize and regenerate
1172 // the compiled code if we patch a putfield/putstatic because it
1173 // does not contain the required null check.
1174 deoptimize_for_null_free = result.is_null_free_inline_type() && (field_access.is_putfield() || field_access.is_putstatic());
1175
1176 // The field we are patching is flat. Deoptimize and regenerate
1177 // the compiled code which can't handle the layout of the flat
1178 // field because it was unknown at compile time.
1179 deoptimize_for_flat = result.is_flat();
1180
1181 // Strict statics may require tracking if their class is not fully initialized.
1182 // For now we can bail out of the compiler and let the interpreter handle it.
1183 deoptimize_for_strict_static = result.is_strict_static_unset();
1184 } else if (load_klass_or_mirror_patch_id) {
1185 Klass* k = nullptr;
1186 switch (code) {
1187 case Bytecodes::_putstatic:
1188 case Bytecodes::_getstatic:
1189 { Klass* klass = resolve_field_return_klass(caller_method, bci, CHECK);
1190 init_klass = klass;
1191 mirror = Handle(current, klass->java_mirror());
1192 }
1193 break;
1194 case Bytecodes::_new:
1195 { Bytecode_new bnew(caller_method(), caller_method->bcp_from(bci));
1196 k = caller_method->constants()->klass_at(bnew.index(), CHECK);
1197 }
1198 break;
1199 case Bytecodes::_multianewarray:
1200 { Bytecode_multianewarray mna(caller_method(), caller_method->bcp_from(bci));
1201 k = caller_method->constants()->klass_at(mna.index(), CHECK);
1202 }
1203 break;
1204 case Bytecodes::_instanceof:
1205 { Bytecode_instanceof io(caller_method(), caller_method->bcp_from(bci));
1206 k = caller_method->constants()->klass_at(io.index(), CHECK);
1207 }
1208 break;
1209 case Bytecodes::_checkcast:
1210 { Bytecode_checkcast cc(caller_method(), caller_method->bcp_from(bci));
1211 k = caller_method->constants()->klass_at(cc.index(), CHECK);
1212 }
1213 break;
1214 case Bytecodes::_anewarray:
1215 { Bytecode_anewarray anew(caller_method(), caller_method->bcp_from(bci));
1216 Klass* ek = caller_method->constants()->klass_at(anew.index(), CHECK);
1217 k = ek->array_klass(CHECK);
1218 if (!k->is_typeArray_klass() && !k->is_refArray_klass() && !k->is_flatArray_klass()) {
1219 k = ObjArrayKlass::cast(k)->klass_with_properties(ArrayKlass::ArrayProperties::DEFAULT, THREAD);
1220 }
1221 if (k->is_flatArray_klass()) {
1222 deoptimize_for_flat = true;
1223 }
1224 }
1225 break;
1226 case Bytecodes::_ldc:
1227 case Bytecodes::_ldc_w:
1228 case Bytecodes::_ldc2_w:
1229 {
1230 Bytecode_loadconstant cc(caller_method, bci);
1231 oop m = cc.resolve_constant(CHECK);
1232 mirror = Handle(current, m);
1233 }
1234 break;
1235 default: fatal("unexpected bytecode for load_klass_or_mirror_patch_id");
1236 }
1237 load_klass = k;
1238 } else if (stub_id == StubId::c1_load_appendix_patching_id) {
1239 Bytecode_invoke bytecode(caller_method, bci);
1240 Bytecodes::Code bc = bytecode.invoke_code();
1241
1242 CallInfo info;
1243 constantPoolHandle pool(current, caller_method->constants());
1244 int index = bytecode.index();
1245 LinkResolver::resolve_invoke(info, Handle(), pool, index, bc, CHECK);
1246 switch (bc) {
1247 case Bytecodes::_invokehandle: {
1248 ResolvedMethodEntry* entry = pool->cache()->set_method_handle(index, info);
1249 appendix = Handle(current, pool->cache()->appendix_if_resolved(entry));
1250 break;
1251 }
1252 case Bytecodes::_invokedynamic: {
1253 appendix = Handle(current, pool->cache()->set_dynamic_call(info, index));
1254 break;
1255 }
1256 default: fatal("unexpected bytecode for load_appendix_patching_id");
1257 }
1258 } else {
1259 ShouldNotReachHere();
1260 }
1261
1262 if (deoptimize_for_volatile ||
1263 deoptimize_for_atomic ||
1264 deoptimize_for_null_free ||
1265 deoptimize_for_flat ||
1266 deoptimize_for_strict_static) {
1267 // At compile time we assumed the field wasn't volatile/atomic but after
1268 // loading it turns out it was volatile/atomic so we have to throw the
1269 // compiled code out and let it be regenerated.
1270 if (TracePatching) {
1271 if (deoptimize_for_volatile) {
1272 tty->print_cr("Deoptimizing for patching volatile field reference");
1273 }
1274 if (deoptimize_for_atomic) {
1275 tty->print_cr("Deoptimizing for patching atomic field reference");
1276 }
1277 if (deoptimize_for_null_free) {
1278 tty->print_cr("Deoptimizing for patching null-free field reference");
1279 }
1280 if (deoptimize_for_flat) {
1281 tty->print_cr("Deoptimizing for patching flat field or array reference");
1282 }
1283 if (deoptimize_for_strict_static) {
1284 tty->print_cr("Deoptimizing for patching strict static field reference");
1285 }
1286 }
1287
1288 // It's possible the nmethod was invalidated in the last
1289 // safepoint, but if it's still alive then make it not_entrant.
1290 nmethod* nm = CodeCache::find_nmethod(caller_frame.pc());
1291 if (nm != nullptr) {
1292 nm->make_not_entrant(nmethod::InvalidationReason::C1_CODEPATCH);
1293 }
1294
1295 Deoptimization::deoptimize_frame(current, caller_frame.id());
1296
1297 // Return to the now deoptimized frame.
1298 }
1299
1300 // Now copy code back
1301
1302 {
1303 MutexLocker ml_code (current, CodeCache_lock, Mutex::_no_safepoint_check_flag);
1304 //
1305 // Deoptimization may have happened while we waited for the lock.
1716 #ifndef PRODUCT
1717 void Runtime1::print_statistics() {
1718 tty->print_cr("C1 Runtime statistics:");
1719 tty->print_cr(" _resolve_invoke_virtual_cnt: %u", SharedRuntime::_resolve_virtual_ctr);
1720 tty->print_cr(" _resolve_invoke_opt_virtual_cnt: %u", SharedRuntime::_resolve_opt_virtual_ctr);
1721 tty->print_cr(" _resolve_invoke_static_cnt: %u", SharedRuntime::_resolve_static_ctr);
1722 tty->print_cr(" _handle_wrong_method_cnt: %u", SharedRuntime::_wrong_method_ctr);
1723 tty->print_cr(" _ic_miss_cnt: %u", SharedRuntime::_ic_miss_ctr);
1724 tty->print_cr(" _generic_arraycopystub_cnt: %u", _generic_arraycopystub_cnt);
1725 tty->print_cr(" _byte_arraycopy_cnt: %u", _byte_arraycopy_stub_cnt);
1726 tty->print_cr(" _short_arraycopy_cnt: %u", _short_arraycopy_stub_cnt);
1727 tty->print_cr(" _int_arraycopy_cnt: %u", _int_arraycopy_stub_cnt);
1728 tty->print_cr(" _long_arraycopy_cnt: %u", _long_arraycopy_stub_cnt);
1729 tty->print_cr(" _oop_arraycopy_cnt: %u", _oop_arraycopy_stub_cnt);
1730 tty->print_cr(" _arraycopy_slowcase_cnt: %u", _arraycopy_slowcase_cnt);
1731 tty->print_cr(" _arraycopy_checkcast_cnt: %u", _arraycopy_checkcast_cnt);
1732 tty->print_cr(" _arraycopy_checkcast_attempt_cnt:%u", _arraycopy_checkcast_attempt_cnt);
1733
1734 tty->print_cr(" _new_type_array_slowcase_cnt: %u", _new_type_array_slowcase_cnt);
1735 tty->print_cr(" _new_object_array_slowcase_cnt: %u", _new_object_array_slowcase_cnt);
1736 tty->print_cr(" _new_null_free_array_slowcase_cnt: %u", _new_null_free_array_slowcase_cnt);
1737 tty->print_cr(" _new_instance_slowcase_cnt: %u", _new_instance_slowcase_cnt);
1738 tty->print_cr(" _new_multi_array_slowcase_cnt: %u", _new_multi_array_slowcase_cnt);
1739 tty->print_cr(" _load_flat_array_slowcase_cnt: %u", _load_flat_array_slowcase_cnt);
1740 tty->print_cr(" _store_flat_array_slowcase_cnt: %u", _store_flat_array_slowcase_cnt);
1741 tty->print_cr(" _substitutability_check_slowcase_cnt: %u", _substitutability_check_slowcase_cnt);
1742 tty->print_cr(" _buffer_inline_args_slowcase_cnt:%u", _buffer_inline_args_slowcase_cnt);
1743 tty->print_cr(" _buffer_inline_args_no_receiver_slowcase_cnt:%u", _buffer_inline_args_no_receiver_slowcase_cnt);
1744
1745 tty->print_cr(" _monitorenter_slowcase_cnt: %u", _monitorenter_slowcase_cnt);
1746 tty->print_cr(" _monitorexit_slowcase_cnt: %u", _monitorexit_slowcase_cnt);
1747 tty->print_cr(" _patch_code_slowcase_cnt: %u", _patch_code_slowcase_cnt);
1748
1749 tty->print_cr(" _throw_range_check_exception_count: %u:", _throw_range_check_exception_count);
1750 tty->print_cr(" _throw_index_exception_count: %u:", _throw_index_exception_count);
1751 tty->print_cr(" _throw_div0_exception_count: %u:", _throw_div0_exception_count);
1752 tty->print_cr(" _throw_null_pointer_exception_count: %u:", _throw_null_pointer_exception_count);
1753 tty->print_cr(" _throw_class_cast_exception_count: %u:", _throw_class_cast_exception_count);
1754 tty->print_cr(" _throw_incompatible_class_change_error_count: %u:", _throw_incompatible_class_change_error_count);
1755 tty->print_cr(" _throw_illegal_monitor_state_exception_count: %u:", _throw_illegal_monitor_state_exception_count);
1756 tty->print_cr(" _throw_identity_exception_count: %u:", _throw_identity_exception_count);
1757 tty->print_cr(" _throw_count: %u:", _throw_count);
1758
1759 SharedRuntime::print_ic_miss_histogram();
1760 tty->cr();
1761 }
1762 #endif // PRODUCT
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