1 /*
2 * Copyright 2019 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.util.internal.svm;
17
18 import com.oracle.svm.core.annotate.Alias;
19 import com.oracle.svm.core.annotate.RecomputeFieldValue;
20 import com.oracle.svm.core.annotate.TargetClass;
21
22 @TargetClass(className = "io.netty.util.internal.PlatformDependent")
23 final class PlatformDependentSubstitution {
24 private PlatformDependentSubstitution() {
25 }
26
27 /**
28 * The class PlatformDependent caches the byte array base offset by reading the
29 * field from PlatformDependent0. The automatic recomputation of Substrate VM
30 * correctly recomputes the field in PlatformDependent0, but since the caching
31 * in PlatformDependent happens during image building, the non-recomputed value
32 * is cached.
33 */
34 @Alias
35 @RecomputeFieldValue(
36 kind = RecomputeFieldValue.Kind.ArrayBaseOffset,
37 declClass = byte[].class)
38 private static long BYTE_ARRAY_BASE_OFFSET;
39 }