911 stack_guard_yellow_reserved_disabled,// disabled (temporarily) after stack overflow
912 stack_guard_enabled // enabled
913 };
914
915 private:
916
917 #if INCLUDE_JVMCI
918 // The _pending_* fields below are used to communicate extra information
919 // from an uncommon trap in JVMCI compiled code to the uncommon trap handler.
920
921 // Communicates the DeoptReason and DeoptAction of the uncommon trap
922 int _pending_deoptimization;
923
924 // Specifies whether the uncommon trap is to bci 0 of a synchronized method
925 // before the monitor has been acquired.
926 bool _pending_monitorenter;
927
928 // Specifies if the DeoptReason for the last uncommon trap was Reason_transfer_to_interpreter
929 bool _pending_transfer_to_interpreter;
930
931 // An object that JVMCI compiled code can use to further describe and
932 // uniquely identify the speculative optimization guarded by the uncommon trap
933 oop _pending_failed_speculation;
934
935 // These fields are mutually exclusive in terms of live ranges.
936 union {
937 // Communicates the pc at which the most recent implicit exception occurred
938 // from the signal handler to a deoptimization stub.
939 address _implicit_exception_pc;
940
941 // Communicates an alternative call target to an i2c stub from a JavaCall .
942 address _alternate_call_target;
943 } _jvmci;
944
945 // Support for high precision, thread sensitive counters in JVMCI compiled code.
946 jlong* _jvmci_counters;
947
948 public:
949 static jlong* _jvmci_old_thread_counters;
950 static void collect_counters(typeArrayOop array);
1299
1300 void set_deopt_compiled_method(CompiledMethod* nm) { _deopt_nmethod = nm; }
1301 CompiledMethod* deopt_compiled_method() { return _deopt_nmethod; }
1302
1303 Method* callee_target() const { return _callee_target; }
1304 void set_callee_target (Method* x) { _callee_target = x; }
1305
1306 // Oop results of vm runtime calls
1307 oop vm_result() const { return _vm_result; }
1308 void set_vm_result (oop x) { _vm_result = x; }
1309
1310 Metadata* vm_result_2() const { return _vm_result_2; }
1311 void set_vm_result_2 (Metadata* x) { _vm_result_2 = x; }
1312
1313 MemRegion deferred_card_mark() const { return _deferred_card_mark; }
1314 void set_deferred_card_mark(MemRegion mr) { _deferred_card_mark = mr; }
1315
1316 #if INCLUDE_JVMCI
1317 int pending_deoptimization() const { return _pending_deoptimization; }
1318 oop pending_failed_speculation() const { return _pending_failed_speculation; }
1319 bool has_pending_monitorenter() const { return _pending_monitorenter; }
1320 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
1321 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
1322 void set_pending_failed_speculation(oop failed_speculation) { _pending_failed_speculation = failed_speculation; }
1323 void set_pending_transfer_to_interpreter(bool b) { _pending_transfer_to_interpreter = b; }
1324 void set_jvmci_alternate_call_target(address a) { assert(_jvmci._alternate_call_target == NULL, "must be"); _jvmci._alternate_call_target = a; }
1325 void set_jvmci_implicit_exception_pc(address a) { assert(_jvmci._implicit_exception_pc == NULL, "must be"); _jvmci._implicit_exception_pc = a; }
1326 #endif // INCLUDE_JVMCI
1327
1328 // Exception handling for compiled methods
1329 oop exception_oop() const { return _exception_oop; }
1330 address exception_pc() const { return _exception_pc; }
1331 address exception_handler_pc() const { return _exception_handler_pc; }
1332 bool is_method_handle_return() const { return _is_method_handle_return == 1; }
1333
1334 void set_exception_oop(oop o) { (void)const_cast<oop&>(_exception_oop = o); }
1335 void set_exception_pc(address a) { _exception_pc = a; }
1336 void set_exception_handler_pc(address a) { _exception_handler_pc = a; }
1337 void set_is_method_handle_return(bool value) { _is_method_handle_return = value ? 1 : 0; }
1338
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911 stack_guard_yellow_reserved_disabled,// disabled (temporarily) after stack overflow
912 stack_guard_enabled // enabled
913 };
914
915 private:
916
917 #if INCLUDE_JVMCI
918 // The _pending_* fields below are used to communicate extra information
919 // from an uncommon trap in JVMCI compiled code to the uncommon trap handler.
920
921 // Communicates the DeoptReason and DeoptAction of the uncommon trap
922 int _pending_deoptimization;
923
924 // Specifies whether the uncommon trap is to bci 0 of a synchronized method
925 // before the monitor has been acquired.
926 bool _pending_monitorenter;
927
928 // Specifies if the DeoptReason for the last uncommon trap was Reason_transfer_to_interpreter
929 bool _pending_transfer_to_interpreter;
930
931 // Guard for re-entrant call to JVMCIRuntime::adjust_comp_level
932 bool _adjusting_comp_level;
933
934 // An object that JVMCI compiled code can use to further describe and
935 // uniquely identify the speculative optimization guarded by the uncommon trap
936 oop _pending_failed_speculation;
937
938 // These fields are mutually exclusive in terms of live ranges.
939 union {
940 // Communicates the pc at which the most recent implicit exception occurred
941 // from the signal handler to a deoptimization stub.
942 address _implicit_exception_pc;
943
944 // Communicates an alternative call target to an i2c stub from a JavaCall .
945 address _alternate_call_target;
946 } _jvmci;
947
948 // Support for high precision, thread sensitive counters in JVMCI compiled code.
949 jlong* _jvmci_counters;
950
951 public:
952 static jlong* _jvmci_old_thread_counters;
953 static void collect_counters(typeArrayOop array);
1302
1303 void set_deopt_compiled_method(CompiledMethod* nm) { _deopt_nmethod = nm; }
1304 CompiledMethod* deopt_compiled_method() { return _deopt_nmethod; }
1305
1306 Method* callee_target() const { return _callee_target; }
1307 void set_callee_target (Method* x) { _callee_target = x; }
1308
1309 // Oop results of vm runtime calls
1310 oop vm_result() const { return _vm_result; }
1311 void set_vm_result (oop x) { _vm_result = x; }
1312
1313 Metadata* vm_result_2() const { return _vm_result_2; }
1314 void set_vm_result_2 (Metadata* x) { _vm_result_2 = x; }
1315
1316 MemRegion deferred_card_mark() const { return _deferred_card_mark; }
1317 void set_deferred_card_mark(MemRegion mr) { _deferred_card_mark = mr; }
1318
1319 #if INCLUDE_JVMCI
1320 int pending_deoptimization() const { return _pending_deoptimization; }
1321 oop pending_failed_speculation() const { return _pending_failed_speculation; }
1322 bool adjusting_comp_level() const { return _adjusting_comp_level; }
1323 void set_adjusting_comp_level(bool b) { _adjusting_comp_level = b; }
1324 bool has_pending_monitorenter() const { return _pending_monitorenter; }
1325 void set_pending_monitorenter(bool b) { _pending_monitorenter = b; }
1326 void set_pending_deoptimization(int reason) { _pending_deoptimization = reason; }
1327 void set_pending_failed_speculation(oop failed_speculation) { _pending_failed_speculation = failed_speculation; }
1328 void set_pending_transfer_to_interpreter(bool b) { _pending_transfer_to_interpreter = b; }
1329 void set_jvmci_alternate_call_target(address a) { assert(_jvmci._alternate_call_target == NULL, "must be"); _jvmci._alternate_call_target = a; }
1330 void set_jvmci_implicit_exception_pc(address a) { assert(_jvmci._implicit_exception_pc == NULL, "must be"); _jvmci._implicit_exception_pc = a; }
1331 #endif // INCLUDE_JVMCI
1332
1333 // Exception handling for compiled methods
1334 oop exception_oop() const { return _exception_oop; }
1335 address exception_pc() const { return _exception_pc; }
1336 address exception_handler_pc() const { return _exception_handler_pc; }
1337 bool is_method_handle_return() const { return _is_method_handle_return == 1; }
1338
1339 void set_exception_oop(oop o) { (void)const_cast<oop&>(_exception_oop = o); }
1340 void set_exception_pc(address a) { _exception_pc = a; }
1341 void set_exception_handler_pc(address a) { _exception_handler_pc = a; }
1342 void set_is_method_handle_return(bool value) { _is_method_handle_return = value ? 1 : 0; }
1343
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