75 lines
2.4 KiB
Java
75 lines
2.4 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.hotspot.code;
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import sun.hotspot.WhiteBox;
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public class CodeBlob {
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private static final WhiteBox WB = WhiteBox.getWhiteBox();
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public static CodeBlob[] getCodeBlobs(BlobType type) {
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Object[] obj = WB.getCodeHeapEntries(type.id);
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if (obj == null) {
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return null;
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}
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CodeBlob[] result = new CodeBlob[obj.length];
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for (int i = 0, n = result.length; i < n; ++i) {
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result[i] = new CodeBlob((Object[]) obj[i]);
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}
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return result;
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}
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public static CodeBlob getCodeBlob(long addr) {
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Object[] obj = WB.getCodeBlob(addr);
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if (obj == null) {
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return null;
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}
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return new CodeBlob(obj);
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}
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protected CodeBlob(Object[] obj) {
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assert obj.length == 4;
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name = (String) obj[0];
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size = (Integer) obj[1];
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int blob_type_index = (Integer) obj[2];
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if (blob_type_index == -1) { // AOT
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code_blob_type = null;
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} else {
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code_blob_type = BlobType.values()[blob_type_index];
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assert code_blob_type.id == (Integer) obj[2];
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}
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address = (Long) obj[3];
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}
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public final String name;
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public final int size;
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public final BlobType code_blob_type;
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public final long address;
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@Override
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public String toString() {
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return "CodeBlob{"
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+ "name=" + name
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+ ", size=" + size
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+ ", code_blob_type=" + code_blob_type
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+ ", address=" + address
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+ '}';
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}
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}
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