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 package sun.hotspot.code; 25 26 import sun.hotspot.WhiteBox; 27 28 public class CodeBlob { 29 private static final WhiteBox WB = WhiteBox.getWhiteBox(); getCodeBlobs(BlobType type)30 public static CodeBlob[] getCodeBlobs(BlobType type) { 31 Object[] obj = WB.getCodeHeapEntries(type.id); 32 if (obj == null) { 33 return null; 34 } 35 CodeBlob[] result = new CodeBlob[obj.length]; 36 for (int i = 0, n = result.length; i < n; ++i) { 37 result[i] = new CodeBlob((Object[]) obj[i]); 38 } 39 return result; 40 } getCodeBlob(long addr)41 public static CodeBlob getCodeBlob(long addr) { 42 Object[] obj = WB.getCodeBlob(addr); 43 if (obj == null) { 44 return null; 45 } 46 return new CodeBlob(obj); 47 } CodeBlob(Object[] obj)48 protected CodeBlob(Object[] obj) { 49 assert obj.length == 4; 50 name = (String) obj[0]; 51 size = (Integer) obj[1]; 52 int blob_type_index = (Integer) obj[2]; 53 if (blob_type_index == -1) { // AOT 54 code_blob_type = null; 55 } else { 56 code_blob_type = BlobType.values()[blob_type_index]; 57 assert code_blob_type.id == (Integer) obj[2]; 58 } 59 address = (Long) obj[3]; 60 } 61 public final String name; 62 public final int size; 63 public final BlobType code_blob_type; 64 public final long address; 65 @Override toString()66 public String toString() { 67 return "CodeBlob{" 68 + "name=" + name 69 + ", size=" + size 70 + ", code_blob_type=" + code_blob_type 71 + ", address=" + address 72 + '}'; 73 } 74 } 75