1087     cmpptr(rbx, Address(rthread, JavaThread::reserved_stack_activation_offset()));

  1087     cmpptr(rbx, Address(rthread, JavaThread::reserved_stack_activation_offset()));

  1088     jcc(Assembler::lessEqual, no_reserved_zone_enabling);

  1088     jcc(Assembler::lessEqual, no_reserved_zone_enabling);

  1089 

  1089 

  1090     call_VM_leaf(

  1090     call_VM_leaf(

  1091       CAST_FROM_FN_PTR(address, SharedRuntime::enable_stack_reserved_zone), rthread);

  1091       CAST_FROM_FN_PTR(address, SharedRuntime::enable_stack_reserved_zone), rthread);

  1093     call_VM(noreg, CAST_FROM_FN_PTR(address,

  1092     call_VM(noreg, CAST_FROM_FN_PTR(address,

  1094                    InterpreterRuntime::throw_delayed_StackOverflowError));

  1093                    InterpreterRuntime::throw_delayed_StackOverflowError));

  1095     should_not_reach_here();

  1094     should_not_reach_here();

  1096 

  1095 

  1097     bind(no_reserved_zone_enabling);

  1096     bind(no_reserved_zone_enabling);