1 /* 2 * Copyright (c) 2016, 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 package org.graalvm.compiler.lir.asm; 24 25 import java.nio.ByteBuffer; 26 import java.nio.ByteOrder; 27 import java.util.Arrays; 28 29 import org.graalvm.compiler.core.common.type.DataPointerConstant; 30 31 /** 32 * Class for chunks of data that go into the data section. 33 */ 34 public class ArrayDataPointerConstant extends DataPointerConstant { 35 36 private final byte[] data; 37 38 public ArrayDataPointerConstant(byte[] array, int alignment) { 39 super(alignment); 40 data = array.clone(); 41 } 42 43 public ArrayDataPointerConstant(short[] array, int alignment) { 44 super(alignment); 45 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 2); 46 byteBuffer.order(ByteOrder.nativeOrder()); 47 byteBuffer.asShortBuffer().put(array); 48 data = byteBuffer.array(); 49 } 50 51 public ArrayDataPointerConstant(int[] array, int alignment) { 52 super(alignment); 53 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 4); 54 byteBuffer.order(ByteOrder.nativeOrder()); 55 byteBuffer.asIntBuffer().put(array); 56 data = byteBuffer.array(); 57 } 58 59 public ArrayDataPointerConstant(float[] array, int alignment) { 60 super(alignment); 61 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 4); 62 byteBuffer.order(ByteOrder.nativeOrder()); 63 byteBuffer.asFloatBuffer().put(array); 64 data = byteBuffer.array(); 65 } 66 67 public ArrayDataPointerConstant(double[] array, int alignment) { 68 super(alignment); 69 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 8); 70 byteBuffer.order(ByteOrder.nativeOrder()); 71 byteBuffer.asDoubleBuffer().put(array); 72 data = byteBuffer.array(); 73 } 74 75 public ArrayDataPointerConstant(long[] array, int alignment) { 76 super(alignment); 77 ByteBuffer byteBuffer = ByteBuffer.allocate(array.length * 8); 78 byteBuffer.order(ByteOrder.nativeOrder()); 79 byteBuffer.asLongBuffer().put(array); 80 data = byteBuffer.array(); 81 } 82 83 @Override 84 public boolean isDefaultForKind() { 85 return false; 86 } 87 88 @Override 89 public void serialize(ByteBuffer buffer) { 90 buffer.put(data); 91 } 92 93 @Override 94 public int getSerializedSize() { 95 return data.length; 96 } 97 98 @Override 99 public String toValueString() { 100 return "ArrayDataPointerConstant" + Arrays.toString(data); 101 } 102 }