src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java

@@ -646,15 +646,37 @@
     public final long checkcastArraycopy = getFieldValue("StubRoutines::_checkcast_arraycopy", Long.class, "address");
     public final long checkcastArraycopyUninit = getFieldValue("StubRoutines::_checkcast_arraycopy_uninit", Long.class, "address");
     public final long unsafeArraycopy = getFieldValue("StubRoutines::_unsafe_arraycopy", Long.class, "address");
     public final long genericArraycopy = getFieldValue("StubRoutines::_generic_arraycopy", Long.class, "address");
 
+    // Allocation stubs that throw an exception when allocation fails
     public final long newInstanceAddress = getAddress("JVMCIRuntime::new_instance");
     public final long newArrayAddress = getAddress("JVMCIRuntime::new_array");
     public final long newMultiArrayAddress = getAddress("JVMCIRuntime::new_multi_array");
-    public final long dynamicNewArrayAddress = getAddress("JVMCIRuntime::dynamic_new_array");
-    public final long dynamicNewInstanceAddress = getAddress("JVMCIRuntime::dynamic_new_instance");
+
+    // Allocation stubs that return null when allocation fails
+    public final long newInstanceOrNullAddress = getAddress("JVMCIRuntime::new_instance_or_null", 0L);
+    public final long newArrayOrNullAddress = getAddress("JVMCIRuntime::new_array_or_null", 0L);
+    public final long newMultiArrayOrNullAddress = getAddress("JVMCIRuntime::new_multi_array_or_null", 0L);
+
+    public boolean areNullAllocationStubsAvailable() {
+        return newInstanceOrNullAddress != 0L;
+    }
+
+    /**
+     * Checks that HotSpot implements all or none of the allocate-or-null stubs.
+     */
+    private boolean checkNullAllocationStubs() {
+        if (newInstanceOrNullAddress == 0L) {
+            assert newArrayOrNullAddress == 0L;
+            assert newMultiArrayOrNullAddress == 0L;
+        } else {
+            assert newArrayOrNullAddress != 0L;
+            assert newMultiArrayOrNullAddress != 0L;
+        }
+        return true;
+    }
 
     public final long threadIsInterruptedAddress = getAddress("JVMCIRuntime::thread_is_interrupted");
     public final long vmMessageAddress = getAddress("JVMCIRuntime::vm_message");
     public final long identityHashCodeAddress = getAddress("JVMCIRuntime::identity_hash_code");
     public final long exceptionHandlerForPcAddress = getAddress("JVMCIRuntime::exception_handler_for_pc");

@@ -755,8 +777,9 @@
                 assert Modifier.isFinal(modifiers) : "field should be final: " + f;
             }
         }
 
         assert codeEntryAlignment > 0 : codeEntryAlignment;
+        assert checkNullAllocationStubs();
         return true;
     }
 }