src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp

@@ -5289,10 +5289,33 @@
      __ br(rscratch2);
  
      return start;
    }
  
+   address generate_check_lock_stack() {
+     __ align(CodeEntryAlignment);
+     StubCodeMark mark(this, "StubRoutines", "check_lock_stack");
+ 
+     address start = __ pc();
+ 
+     __ set_last_Java_frame(sp, rfp, lr, rscratch1);
+     __ enter();
+     __ push_call_clobbered_registers();
+ 
+     __ mov(c_rarg0, r9);
+     __ call_VM_leaf(CAST_FROM_FN_PTR(address, LockStack::ensure_lock_stack_size), 1);
+ 
+ 
+     __ pop_call_clobbered_registers();
+     __ leave();
+     __ reset_last_Java_frame(true);
+ 
+     __ ret(lr);
+ 
+     return start;
+   }
+ 
    // r0  = result
    // r1  = str1
    // r2  = cnt1
    // r3  = str2
    // r4  = cnt2

@@ -7597,10 +7620,13 @@
  
      BarrierSetNMethod* bs_nm = BarrierSet::barrier_set()->barrier_set_nmethod();
      if (bs_nm != NULL) {
        StubRoutines::aarch64::_method_entry_barrier = generate_method_entry_barrier();
      }
+     if (UseFastLocking) {
+       StubRoutines::aarch64::_check_lock_stack = generate_check_lock_stack();
+     }
  #ifdef COMPILER2
      if (UseMultiplyToLenIntrinsic) {
        StubRoutines::_multiplyToLen = generate_multiplyToLen();
      }