1 /* 2 * Copyright (c) 2014, 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 jdk.testlib.code; 26 27 import jdk.testlib.WhiteBox; 28 29 public class CodeBlob { 30 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 31 public static CodeBlob[] getCodeBlobs(BlobType type) { 32 Object[] obj = WB.getCodeHeapEntries(type.id); 33 if (obj == null) { 34 return null; 35 } 36 CodeBlob[] result = new CodeBlob[obj.length]; 37 for (int i = 0, n = result.length; i < n; ++i) { 38 result[i] = new CodeBlob((Object[]) obj[i]); 39 } 40 return result; 41 } 42 public static CodeBlob getCodeBlob(long addr) { 43 Object[] obj = WB.getCodeBlob(addr); 44 if (obj == null) { 45 return null; 46 } 47 return new CodeBlob(obj); 48 } 49 protected CodeBlob(Object[] obj) { 50 assert obj.length == 3; 51 name = (String) obj[0]; 52 size = (Integer) obj[1]; 53 code_blob_type = BlobType.values()[(Integer) obj[2]]; 54 assert code_blob_type.id == (Integer) obj[2]; 55 } 56 public final String name; 57 public final int size; 58 public final BlobType code_blob_type; 59 60 @Override 61 public String toString() { 62 return "CodeBlob{" 63 + "name=" + name 64 + ", size=" + size 65 + ", code_blob_type=" + code_blob_type 66 + '}'; 67 } 68 }