call_VM_preemptable

Author: offamitkumar

src/hotspot/cpu/s390/interp_masm_s390.cpp

@@ -165,6 +165,16 @@ void InterpreterMacroAssembler::dispatch_via(TosState state, address *table) {
 // to perform additional, template interpreter specific tasks before actually
 // calling their MacroAssembler counterparts.
 
+void InterpreterMacroAssembler::call_VM_preemptable(Register oop_result, address entry_point,
+                                        Register arg_1, bool check_exceptions) {
+  if (!Continuations::enabled()) {
+    call_VM(oop_result, entry_point, arg_1);
+    return;
+  }
+
+  __ stop("not yet implemented call_VM_preemptable");
+}
+
 void InterpreterMacroAssembler::call_VM_leaf_base(address entry_point) {
   bool allow_relocation = true; // Fenerally valid variant. Assume code is relocated.
   // interpreter specific
@@ -1018,9 +1028,9 @@ void InterpreterMacroAssembler::lock_object(Register monitor, Register object) {
   z_bru(done);
 
   bind(slow_case);
-  call_VM(noreg,
-          CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter),
-          monitor);
+  call_VM_preemptable(noreg,
+                      CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter),
+                      monitor);
   bind(done);
 }
 

src/hotspot/cpu/s390/interp_masm_s390.hpp

@@ -48,6 +48,8 @@ class InterpreterMacroAssembler: public MacroAssembler {
                             bool allow_relocation,
                             bool check_exceptions);
 
+  void call_VM_preemptable(Register oop_result, address entry_point, Register arg_1, bool check_exceptions = true);
+
   // Base routine for all dispatches.
   void dispatch_base(TosState state, address* table, bool generate_poll = false);