1 /* 2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.lir.asm; 26 27 import java.nio.ByteBuffer; 28 import java.nio.ByteOrder; 29 import java.util.Arrays; 30 31 import org.graalvm.compiler.core.common.type.DataPointerConstant; 32 33 /** 34 * Class for chunks of data that go into the data section. 35 */ 36 public class ArrayDataPointerConstant extends DataPointerConstant { 37 38 private final byte[] data; 39 ArrayDataPointerConstant(byte[] array, int alignment)40 public ArrayDataPointerConstant(byte[] array, int alignment) { 41 super(alignment); 42 data = array.clone(); 43 } 44 ArrayDataPointerConstant(short[] array, int alignment)45 public ArrayDataPointerConstant(short[] array, int alignment) { 46 super(alignment); 47 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 2); 48 byteBuffer.order(ByteOrder.nativeOrder()); 49 byteBuffer.asShortBuffer().put(array); 50 data = byteBuffer.array(); 51 } 52 ArrayDataPointerConstant(int[] array, int alignment)53 public ArrayDataPointerConstant(int[] array, int alignment) { 54 super(alignment); 55 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 4); 56 byteBuffer.order(ByteOrder.nativeOrder()); 57 byteBuffer.asIntBuffer().put(array); 58 data = byteBuffer.array(); 59 } 60 ArrayDataPointerConstant(float[] array, int alignment)61 public ArrayDataPointerConstant(float[] array, int alignment) { 62 super(alignment); 63 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 4); 64 byteBuffer.order(ByteOrder.nativeOrder()); 65 byteBuffer.asFloatBuffer().put(array); 66 data = byteBuffer.array(); 67 } 68 ArrayDataPointerConstant(double[] array, int alignment)69 public ArrayDataPointerConstant(double[] array, int alignment) { 70 super(alignment); 71 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 8); 72 byteBuffer.order(ByteOrder.nativeOrder()); 73 byteBuffer.asDoubleBuffer().put(array); 74 data = byteBuffer.array(); 75 } 76 ArrayDataPointerConstant(long[] array, int alignment)77 public ArrayDataPointerConstant(long[] array, int alignment) { 78 super(alignment); 79 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 8); 80 byteBuffer.order(ByteOrder.nativeOrder()); 81 byteBuffer.asLongBuffer().put(array); 82 data = byteBuffer.array(); 83 } 84 85 @Override isDefaultForKind()86 public boolean isDefaultForKind() { 87 return false; 88 } 89 90 @Override serialize(ByteBuffer buffer)91 public void serialize(ByteBuffer buffer) { 92 buffer.put(data); 93 } 94 95 @Override getSerializedSize()96 public int getSerializedSize() { 97 return data.length; 98 } 99 100 @Override toValueString()101 public String toValueString() { 102 return "ArrayDataPointerConstant" + Arrays.toString(data); 103 } 104 } 105