132 vframeArray* _vframe_array_head; // Holds the heap of the active vframeArrays
133 vframeArray* _vframe_array_last; // Holds last vFrameArray we popped
134 // Holds updates by JVMTI agents for compiled frames that cannot be performed immediately. They
135 // will be carried out as soon as possible which, in most cases, is just before deoptimization of
136 // the frame, when control returns to it.
137 JvmtiDeferredUpdates* _jvmti_deferred_updates;
138
139 // Handshake value for fixing 6243940. We need a place for the i2c
140 // adapter to store the callee Method*. This value is NEVER live
141 // across a gc point so it does NOT have to be gc'd
142 // The handshake is open ended since we can't be certain that it will
143 // be nulled. This is because we rarely ever see the race and end up
144 // in handle_wrong_method which is the backend of the handshake. See
145 // code in i2c adapters and handle_wrong_method.
146
147 Method* _callee_target;
148
149 // Used to pass back results to the interpreter or generated code running Java code.
150 oop _vm_result_oop; // oop result is GC-preserved
151 Metadata* _vm_result_metadata; // non-oop result
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;
802 void set_vframe_array_last(vframeArray* value) { _vframe_array_last = value; }
803 vframeArray* vframe_array_last() const { return _vframe_array_last; }
804
805 // The special resourceMark used during deoptimization
806
807 void set_deopt_mark(DeoptResourceMark* value) { _deopt_mark = value; }
808 DeoptResourceMark* deopt_mark(void) { return _deopt_mark; }
809
810 void set_deopt_compiled_method(nmethod* nm) { _deopt_nmethod = nm; }
811 nmethod* deopt_compiled_method() { return _deopt_nmethod; }
812
813 Method* callee_target() const { return _callee_target; }
814 void set_callee_target (Method* x) { _callee_target = x; }
815
816 // Oop results of vm runtime calls
817 oop vm_result_oop() const { return _vm_result_oop; }
818 void set_vm_result_oop(oop x) { _vm_result_oop = x; }
819
820 void set_vm_result_metadata(Metadata* x) { _vm_result_metadata = x; }
821
822 // Is thread in scope of an InternalOOMEMark?
823 bool is_in_internal_oome_mark() const { return _is_in_internal_oome_mark; }
824 void set_is_in_internal_oome_mark(bool b) { _is_in_internal_oome_mark = b; }
825
826 #if INCLUDE_JVMCI
827 jlong pending_failed_speculation() const { return _pending_failed_speculation; }
828 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
829 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
830 void set_pending_failed_speculation(jlong failed_speculation) { _pending_failed_speculation = failed_speculation; }
831 void set_pending_transfer_to_interpreter(bool b) { _pending_transfer_to_interpreter = b; }
832 void set_jvmci_alternate_call_target(address a) { assert(_jvmci._alternate_call_target == nullptr, "must be"); _jvmci._alternate_call_target = a; }
833 void set_jvmci_implicit_exception_pc(address a) { assert(_jvmci._implicit_exception_pc == nullptr, "must be"); _jvmci._implicit_exception_pc = a; }
834
835 JVMCIRuntime* libjvmci_runtime() const { return _libjvmci_runtime; }
836 void set_libjvmci_runtime(JVMCIRuntime* rt) {
837 assert((_libjvmci_runtime == nullptr && rt != nullptr) || (_libjvmci_runtime != nullptr && rt == nullptr), "must be");
838 _libjvmci_runtime = rt;
839 }
840 #endif // INCLUDE_JVMCI
841
864
865 // For assembly stub generation
866 static ByteSize threadObj_offset() { return byte_offset_of(JavaThread, _threadObj); }
867 static ByteSize vthread_offset() { return byte_offset_of(JavaThread, _vthread); }
868 static ByteSize jni_environment_offset() { return byte_offset_of(JavaThread, _jni_environment); }
869 static ByteSize pending_jni_exception_check_fn_offset() {
870 return byte_offset_of(JavaThread, _pending_jni_exception_check_fn);
871 }
872 static ByteSize last_Java_sp_offset() {
873 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_sp_offset();
874 }
875 static ByteSize last_Java_pc_offset() {
876 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_pc_offset();
877 }
878 static ByteSize frame_anchor_offset() {
879 return byte_offset_of(JavaThread, _anchor);
880 }
881 static ByteSize callee_target_offset() { return byte_offset_of(JavaThread, _callee_target); }
882 static ByteSize vm_result_oop_offset() { return byte_offset_of(JavaThread, _vm_result_oop); }
883 static ByteSize vm_result_metadata_offset() { return byte_offset_of(JavaThread, _vm_result_metadata); }
884 static ByteSize thread_state_offset() { return byte_offset_of(JavaThread, _thread_state); }
885 static ByteSize saved_exception_pc_offset() { return byte_offset_of(JavaThread, _saved_exception_pc); }
886 static ByteSize osthread_offset() { return byte_offset_of(JavaThread, _osthread); }
887 #if INCLUDE_JVMCI
888 static ByteSize pending_deoptimization_offset() { return byte_offset_of(JavaThread, _pending_deoptimization); }
889 static ByteSize pending_monitorenter_offset() { return byte_offset_of(JavaThread, _pending_monitorenter); }
890 static ByteSize jvmci_alternate_call_target_offset() { return byte_offset_of(JavaThread, _jvmci._alternate_call_target); }
891 static ByteSize jvmci_implicit_exception_pc_offset() { return byte_offset_of(JavaThread, _jvmci._implicit_exception_pc); }
892 static ByteSize jvmci_counters_offset() { return byte_offset_of(JavaThread, _jvmci_counters); }
893 #endif // INCLUDE_JVMCI
894 static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop); }
895 static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc); }
896 static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); }
897
898 static ByteSize active_handles_offset() { return byte_offset_of(JavaThread, _active_handles); }
899
900 // StackOverflow offsets
901 static ByteSize stack_overflow_limit_offset() {
902 return byte_offset_of(JavaThread, _stack_overflow_state._stack_overflow_limit);
903 }
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132 vframeArray* _vframe_array_head; // Holds the heap of the active vframeArrays
133 vframeArray* _vframe_array_last; // Holds last vFrameArray we popped
134 // Holds updates by JVMTI agents for compiled frames that cannot be performed immediately. They
135 // will be carried out as soon as possible which, in most cases, is just before deoptimization of
136 // the frame, when control returns to it.
137 JvmtiDeferredUpdates* _jvmti_deferred_updates;
138
139 // Handshake value for fixing 6243940. We need a place for the i2c
140 // adapter to store the callee Method*. This value is NEVER live
141 // across a gc point so it does NOT have to be gc'd
142 // The handshake is open ended since we can't be certain that it will
143 // be nulled. This is because we rarely ever see the race and end up
144 // in handle_wrong_method which is the backend of the handshake. See
145 // code in i2c adapters and handle_wrong_method.
146
147 Method* _callee_target;
148
149 // Used to pass back results to the interpreter or generated code running Java code.
150 oop _vm_result_oop; // oop result is GC-preserved
151 Metadata* _vm_result_metadata; // non-oop result
152 oop _return_buffered_value; // buffered value being returned
153
154 ObjectMonitor* volatile _current_pending_monitor; // ObjectMonitor this thread is waiting to lock
155 bool _current_pending_monitor_is_from_java; // locking is from Java code
156 ObjectMonitor* volatile _current_waiting_monitor; // ObjectMonitor on which this thread called Object.wait()
157
158 // Active_handles points to a block of handles
159 JNIHandleBlock* _active_handles;
160
161 // One-element thread local free list
162 JNIHandleBlock* _free_handle_block;
163
164 // ID used as owner for inflated monitors. Same as the j.l.Thread.tid of the
165 // current _vthread object, except during creation of the primordial and JNI
166 // attached thread cases where this field can have a temporary value.
167 int64_t _monitor_owner_id;
168
169 public:
170 void set_monitor_owner_id(int64_t id) {
171 ThreadIdentifier::verify_id(id);
172 _monitor_owner_id = id;
803 void set_vframe_array_last(vframeArray* value) { _vframe_array_last = value; }
804 vframeArray* vframe_array_last() const { return _vframe_array_last; }
805
806 // The special resourceMark used during deoptimization
807
808 void set_deopt_mark(DeoptResourceMark* value) { _deopt_mark = value; }
809 DeoptResourceMark* deopt_mark(void) { return _deopt_mark; }
810
811 void set_deopt_compiled_method(nmethod* nm) { _deopt_nmethod = nm; }
812 nmethod* deopt_compiled_method() { return _deopt_nmethod; }
813
814 Method* callee_target() const { return _callee_target; }
815 void set_callee_target (Method* x) { _callee_target = x; }
816
817 // Oop results of vm runtime calls
818 oop vm_result_oop() const { return _vm_result_oop; }
819 void set_vm_result_oop(oop x) { _vm_result_oop = x; }
820
821 void set_vm_result_metadata(Metadata* x) { _vm_result_metadata = x; }
822
823 oop return_buffered_value() const { return _return_buffered_value; }
824 void set_return_buffered_value(oop val) { _return_buffered_value = val; }
825
826 // Is thread in scope of an InternalOOMEMark?
827 bool is_in_internal_oome_mark() const { return _is_in_internal_oome_mark; }
828 void set_is_in_internal_oome_mark(bool b) { _is_in_internal_oome_mark = b; }
829
830 #if INCLUDE_JVMCI
831 jlong pending_failed_speculation() const { return _pending_failed_speculation; }
832 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
833 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
834 void set_pending_failed_speculation(jlong failed_speculation) { _pending_failed_speculation = failed_speculation; }
835 void set_pending_transfer_to_interpreter(bool b) { _pending_transfer_to_interpreter = b; }
836 void set_jvmci_alternate_call_target(address a) { assert(_jvmci._alternate_call_target == nullptr, "must be"); _jvmci._alternate_call_target = a; }
837 void set_jvmci_implicit_exception_pc(address a) { assert(_jvmci._implicit_exception_pc == nullptr, "must be"); _jvmci._implicit_exception_pc = a; }
838
839 JVMCIRuntime* libjvmci_runtime() const { return _libjvmci_runtime; }
840 void set_libjvmci_runtime(JVMCIRuntime* rt) {
841 assert((_libjvmci_runtime == nullptr && rt != nullptr) || (_libjvmci_runtime != nullptr && rt == nullptr), "must be");
842 _libjvmci_runtime = rt;
843 }
844 #endif // INCLUDE_JVMCI
845
868
869 // For assembly stub generation
870 static ByteSize threadObj_offset() { return byte_offset_of(JavaThread, _threadObj); }
871 static ByteSize vthread_offset() { return byte_offset_of(JavaThread, _vthread); }
872 static ByteSize jni_environment_offset() { return byte_offset_of(JavaThread, _jni_environment); }
873 static ByteSize pending_jni_exception_check_fn_offset() {
874 return byte_offset_of(JavaThread, _pending_jni_exception_check_fn);
875 }
876 static ByteSize last_Java_sp_offset() {
877 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_sp_offset();
878 }
879 static ByteSize last_Java_pc_offset() {
880 return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_pc_offset();
881 }
882 static ByteSize frame_anchor_offset() {
883 return byte_offset_of(JavaThread, _anchor);
884 }
885 static ByteSize callee_target_offset() { return byte_offset_of(JavaThread, _callee_target); }
886 static ByteSize vm_result_oop_offset() { return byte_offset_of(JavaThread, _vm_result_oop); }
887 static ByteSize vm_result_metadata_offset() { return byte_offset_of(JavaThread, _vm_result_metadata); }
888 static ByteSize return_buffered_value_offset() { return byte_offset_of(JavaThread, _return_buffered_value); }
889 static ByteSize thread_state_offset() { return byte_offset_of(JavaThread, _thread_state); }
890 static ByteSize saved_exception_pc_offset() { return byte_offset_of(JavaThread, _saved_exception_pc); }
891 static ByteSize osthread_offset() { return byte_offset_of(JavaThread, _osthread); }
892 #if INCLUDE_JVMCI
893 static ByteSize pending_deoptimization_offset() { return byte_offset_of(JavaThread, _pending_deoptimization); }
894 static ByteSize pending_monitorenter_offset() { return byte_offset_of(JavaThread, _pending_monitorenter); }
895 static ByteSize jvmci_alternate_call_target_offset() { return byte_offset_of(JavaThread, _jvmci._alternate_call_target); }
896 static ByteSize jvmci_implicit_exception_pc_offset() { return byte_offset_of(JavaThread, _jvmci._implicit_exception_pc); }
897 static ByteSize jvmci_counters_offset() { return byte_offset_of(JavaThread, _jvmci_counters); }
898 #endif // INCLUDE_JVMCI
899 static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop); }
900 static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc); }
901 static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); }
902
903 static ByteSize active_handles_offset() { return byte_offset_of(JavaThread, _active_handles); }
904
905 // StackOverflow offsets
906 static ByteSize stack_overflow_limit_offset() {
907 return byte_offset_of(JavaThread, _stack_overflow_state._stack_overflow_limit);
908 }
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