131 vframeArray* _vframe_array_head; // Holds the heap of the active vframeArrays
132 vframeArray* _vframe_array_last; // Holds last vFrameArray we popped
133 // Holds updates by JVMTI agents for compiled frames that cannot be performed immediately. They
134 // will be carried out as soon as possible which, in most cases, is just before deoptimization of
135 // the frame, when control returns to it.
136 JvmtiDeferredUpdates* _jvmti_deferred_updates;
137
138 // Handshake value for fixing 6243940. We need a place for the i2c
139 // adapter to store the callee Method*. This value is NEVER live
140 // across a gc point so it does NOT have to be gc'd
141 // The handshake is open ended since we can't be certain that it will
142 // be nulled. This is because we rarely ever see the race and end up
143 // in handle_wrong_method which is the backend of the handshake. See
144 // code in i2c adapters and handle_wrong_method.
145
146 Method* _callee_target;
147
148 // Used to pass back results to the interpreter or generated code running Java code.
149 oop _vm_result_oop; // oop result is GC-preserved
150 Metadata* _vm_result_metadata; // non-oop result
151
152 ObjectMonitor* volatile _current_pending_monitor; // ObjectMonitor this thread is waiting to lock
153 bool _current_pending_monitor_is_from_java; // locking is from Java code
154 ObjectMonitor* volatile _current_waiting_monitor; // ObjectMonitor on which this thread called Object.wait()
155
156 // Active_handles points to a block of handles
157 JNIHandleBlock* _active_handles;
158
159 // One-element thread local free list
160 JNIHandleBlock* _free_handle_block;
161
162 // ID used as owner for inflated monitors. Same as the j.l.Thread.tid of the
163 // current _vthread object, except during creation of the primordial and JNI
164 // attached thread cases where this field can have a temporary value.
165 int64_t _monitor_owner_id;
166
167 public:
168 void set_monitor_owner_id(int64_t id) {
169 ThreadIdentifier::verify_id(id);
170 _monitor_owner_id = id;
796 void set_vframe_array_last(vframeArray* value) { _vframe_array_last = value; }
797 vframeArray* vframe_array_last() const { return _vframe_array_last; }
798
799 // The special resourceMark used during deoptimization
800
801 void set_deopt_mark(DeoptResourceMark* value) { _deopt_mark = value; }
802 DeoptResourceMark* deopt_mark(void) { return _deopt_mark; }
803
804 void set_deopt_compiled_method(nmethod* nm) { _deopt_nmethod = nm; }
805 nmethod* deopt_compiled_method() { return _deopt_nmethod; }
806
807 Method* callee_target() const { return _callee_target; }
808 void set_callee_target (Method* x) { _callee_target = x; }
809
810 // Oop results of vm runtime calls
811 oop vm_result_oop() const { return _vm_result_oop; }
812 void set_vm_result_oop(oop x) { _vm_result_oop = x; }
813
814 void set_vm_result_metadata(Metadata* x) { _vm_result_metadata = x; }
815
816 // Is thread in scope of an InternalOOMEMark?
817 bool is_in_internal_oome_mark() const { return _is_in_internal_oome_mark; }
818 void set_is_in_internal_oome_mark(bool b) { _is_in_internal_oome_mark = b; }
819
820 #if INCLUDE_JVMCI
821 jlong pending_failed_speculation() const { return _pending_failed_speculation; }
822 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
823 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
824 void set_pending_failed_speculation(jlong failed_speculation) { _pending_failed_speculation = failed_speculation; }
825 void set_pending_transfer_to_interpreter(bool b) { _pending_transfer_to_interpreter = b; }
826 void set_jvmci_alternate_call_target(address a) { assert(_jvmci._alternate_call_target == nullptr, "must be"); _jvmci._alternate_call_target = a; }
827 void set_jvmci_implicit_exception_pc(address a) { assert(_jvmci._implicit_exception_pc == nullptr, "must be"); _jvmci._implicit_exception_pc = a; }
828
829 JVMCIRuntime* libjvmci_runtime() const { return _libjvmci_runtime; }
830 void set_libjvmci_runtime(JVMCIRuntime* rt) {
831 assert((_libjvmci_runtime == nullptr && rt != nullptr) || (_libjvmci_runtime != nullptr && rt == nullptr), "must be");
832 _libjvmci_runtime = rt;
833 }
834 #endif // INCLUDE_JVMCI
835
858
859 // For assembly stub generation
860 static ByteSize threadObj_offset() { return byte_offset_of(JavaThread, _threadObj); }
861 static ByteSize vthread_offset() { return byte_offset_of(JavaThread, _vthread); }
862 static ByteSize jni_environment_offset() { return byte_offset_of(JavaThread, _jni_environment); }
863 static ByteSize pending_jni_exception_check_fn_offset() {
864 return byte_offset_of(JavaThread, _pending_jni_exception_check_fn);
865 }
866 static ByteSize last_Java_sp_offset() {
867 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_sp_offset();
868 }
869 static ByteSize last_Java_pc_offset() {
870 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_pc_offset();
871 }
872 static ByteSize frame_anchor_offset() {
873 return byte_offset_of(JavaThread, _anchor);
874 }
875 static ByteSize callee_target_offset() { return byte_offset_of(JavaThread, _callee_target); }
876 static ByteSize vm_result_oop_offset() { return byte_offset_of(JavaThread, _vm_result_oop); }
877 static ByteSize vm_result_metadata_offset() { return byte_offset_of(JavaThread, _vm_result_metadata); }
878 static ByteSize thread_state_offset() { return byte_offset_of(JavaThread, _thread_state); }
879 static ByteSize saved_exception_pc_offset() { return byte_offset_of(JavaThread, _saved_exception_pc); }
880 static ByteSize osthread_offset() { return byte_offset_of(JavaThread, _osthread); }
881 #if INCLUDE_JVMCI
882 static ByteSize pending_deoptimization_offset() { return byte_offset_of(JavaThread, _pending_deoptimization); }
883 static ByteSize pending_monitorenter_offset() { return byte_offset_of(JavaThread, _pending_monitorenter); }
884 static ByteSize jvmci_alternate_call_target_offset() { return byte_offset_of(JavaThread, _jvmci._alternate_call_target); }
885 static ByteSize jvmci_implicit_exception_pc_offset() { return byte_offset_of(JavaThread, _jvmci._implicit_exception_pc); }
886 static ByteSize jvmci_counters_offset() { return byte_offset_of(JavaThread, _jvmci_counters); }
887 #endif // INCLUDE_JVMCI
888 static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop); }
889 static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc); }
890 static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); }
891
892 static ByteSize active_handles_offset() { return byte_offset_of(JavaThread, _active_handles); }
893
894 // StackOverflow offsets
895 static ByteSize stack_overflow_limit_offset() {
896 return byte_offset_of(JavaThread, _stack_overflow_state._stack_overflow_limit);
897 }
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131 vframeArray* _vframe_array_head; // Holds the heap of the active vframeArrays
132 vframeArray* _vframe_array_last; // Holds last vFrameArray we popped
133 // Holds updates by JVMTI agents for compiled frames that cannot be performed immediately. They
134 // will be carried out as soon as possible which, in most cases, is just before deoptimization of
135 // the frame, when control returns to it.
136 JvmtiDeferredUpdates* _jvmti_deferred_updates;
137
138 // Handshake value for fixing 6243940. We need a place for the i2c
139 // adapter to store the callee Method*. This value is NEVER live
140 // across a gc point so it does NOT have to be gc'd
141 // The handshake is open ended since we can't be certain that it will
142 // be nulled. This is because we rarely ever see the race and end up
143 // in handle_wrong_method which is the backend of the handshake. See
144 // code in i2c adapters and handle_wrong_method.
145
146 Method* _callee_target;
147
148 // Used to pass back results to the interpreter or generated code running Java code.
149 oop _vm_result_oop; // oop result is GC-preserved
150 Metadata* _vm_result_metadata; // non-oop result
151 oop _return_buffered_value; // buffered value being returned
152
153 ObjectMonitor* volatile _current_pending_monitor; // ObjectMonitor this thread is waiting to lock
154 bool _current_pending_monitor_is_from_java; // locking is from Java code
155 ObjectMonitor* volatile _current_waiting_monitor; // ObjectMonitor on which this thread called Object.wait()
156
157 // Active_handles points to a block of handles
158 JNIHandleBlock* _active_handles;
159
160 // One-element thread local free list
161 JNIHandleBlock* _free_handle_block;
162
163 // ID used as owner for inflated monitors. Same as the j.l.Thread.tid of the
164 // current _vthread object, except during creation of the primordial and JNI
165 // attached thread cases where this field can have a temporary value.
166 int64_t _monitor_owner_id;
167
168 public:
169 void set_monitor_owner_id(int64_t id) {
170 ThreadIdentifier::verify_id(id);
171 _monitor_owner_id = id;
797 void set_vframe_array_last(vframeArray* value) { _vframe_array_last = value; }
798 vframeArray* vframe_array_last() const { return _vframe_array_last; }
799
800 // The special resourceMark used during deoptimization
801
802 void set_deopt_mark(DeoptResourceMark* value) { _deopt_mark = value; }
803 DeoptResourceMark* deopt_mark(void) { return _deopt_mark; }
804
805 void set_deopt_compiled_method(nmethod* nm) { _deopt_nmethod = nm; }
806 nmethod* deopt_compiled_method() { return _deopt_nmethod; }
807
808 Method* callee_target() const { return _callee_target; }
809 void set_callee_target (Method* x) { _callee_target = x; }
810
811 // Oop results of vm runtime calls
812 oop vm_result_oop() const { return _vm_result_oop; }
813 void set_vm_result_oop(oop x) { _vm_result_oop = x; }
814
815 void set_vm_result_metadata(Metadata* x) { _vm_result_metadata = x; }
816
817 oop return_buffered_value() const { return _return_buffered_value; }
818 void set_return_buffered_value(oop val) { _return_buffered_value = val; }
819
820 // Is thread in scope of an InternalOOMEMark?
821 bool is_in_internal_oome_mark() const { return _is_in_internal_oome_mark; }
822 void set_is_in_internal_oome_mark(bool b) { _is_in_internal_oome_mark = b; }
823
824 #if INCLUDE_JVMCI
825 jlong pending_failed_speculation() const { return _pending_failed_speculation; }
826 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
827 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
828 void set_pending_failed_speculation(jlong failed_speculation) { _pending_failed_speculation = failed_speculation; }
829 void set_pending_transfer_to_interpreter(bool b) { _pending_transfer_to_interpreter = b; }
830 void set_jvmci_alternate_call_target(address a) { assert(_jvmci._alternate_call_target == nullptr, "must be"); _jvmci._alternate_call_target = a; }
831 void set_jvmci_implicit_exception_pc(address a) { assert(_jvmci._implicit_exception_pc == nullptr, "must be"); _jvmci._implicit_exception_pc = a; }
832
833 JVMCIRuntime* libjvmci_runtime() const { return _libjvmci_runtime; }
834 void set_libjvmci_runtime(JVMCIRuntime* rt) {
835 assert((_libjvmci_runtime == nullptr && rt != nullptr) || (_libjvmci_runtime != nullptr && rt == nullptr), "must be");
836 _libjvmci_runtime = rt;
837 }
838 #endif // INCLUDE_JVMCI
839
862
863 // For assembly stub generation
864 static ByteSize threadObj_offset() { return byte_offset_of(JavaThread, _threadObj); }
865 static ByteSize vthread_offset() { return byte_offset_of(JavaThread, _vthread); }
866 static ByteSize jni_environment_offset() { return byte_offset_of(JavaThread, _jni_environment); }
867 static ByteSize pending_jni_exception_check_fn_offset() {
868 return byte_offset_of(JavaThread, _pending_jni_exception_check_fn);
869 }
870 static ByteSize last_Java_sp_offset() {
871 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_sp_offset();
872 }
873 static ByteSize last_Java_pc_offset() {
874 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_pc_offset();
875 }
876 static ByteSize frame_anchor_offset() {
877 return byte_offset_of(JavaThread, _anchor);
878 }
879 static ByteSize callee_target_offset() { return byte_offset_of(JavaThread, _callee_target); }
880 static ByteSize vm_result_oop_offset() { return byte_offset_of(JavaThread, _vm_result_oop); }
881 static ByteSize vm_result_metadata_offset() { return byte_offset_of(JavaThread, _vm_result_metadata); }
882 static ByteSize return_buffered_value_offset() { return byte_offset_of(JavaThread, _return_buffered_value); }
883 static ByteSize thread_state_offset() { return byte_offset_of(JavaThread, _thread_state); }
884 static ByteSize saved_exception_pc_offset() { return byte_offset_of(JavaThread, _saved_exception_pc); }
885 static ByteSize osthread_offset() { return byte_offset_of(JavaThread, _osthread); }
886 #if INCLUDE_JVMCI
887 static ByteSize pending_deoptimization_offset() { return byte_offset_of(JavaThread, _pending_deoptimization); }
888 static ByteSize pending_monitorenter_offset() { return byte_offset_of(JavaThread, _pending_monitorenter); }
889 static ByteSize jvmci_alternate_call_target_offset() { return byte_offset_of(JavaThread, _jvmci._alternate_call_target); }
890 static ByteSize jvmci_implicit_exception_pc_offset() { return byte_offset_of(JavaThread, _jvmci._implicit_exception_pc); }
891 static ByteSize jvmci_counters_offset() { return byte_offset_of(JavaThread, _jvmci_counters); }
892 #endif // INCLUDE_JVMCI
893 static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop); }
894 static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc); }
895 static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); }
896
897 static ByteSize active_handles_offset() { return byte_offset_of(JavaThread, _active_handles); }
898
899 // StackOverflow offsets
900 static ByteSize stack_overflow_limit_offset() {
901 return byte_offset_of(JavaThread, _stack_overflow_state._stack_overflow_limit);
902 }
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