| /* |
| * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.vm.ci.hotspot; |
| |
| import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; |
| |
| import jdk.internal.misc.Unsafe; |
| import jdk.vm.ci.code.InstalledCode; |
| |
| /** |
| * Implementation of {@link InstalledCode} for HotSpot. |
| */ |
| public abstract class HotSpotInstalledCode extends InstalledCode { |
| |
| /** |
| * Total size of the code blob. |
| */ |
| @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private int size; |
| |
| /** |
| * Start address of the code. |
| */ |
| @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private long codeStart; |
| |
| /** |
| * Size of the code. |
| */ |
| @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private int codeSize; |
| |
| public HotSpotInstalledCode(String name) { |
| super(name); |
| } |
| |
| /** |
| * @return the total size of this code blob |
| */ |
| public int getSize() { |
| return size; |
| } |
| |
| @Override |
| public abstract String toString(); |
| |
| @Override |
| public long getStart() { |
| return codeStart; |
| } |
| |
| public long getCodeSize() { |
| return codeSize; |
| } |
| |
| @Override |
| public byte[] getCode() { |
| if (!isValid()) { |
| return null; |
| } |
| byte[] code = new byte[codeSize]; |
| UNSAFE.copyMemory(null, codeStart, code, Unsafe.ARRAY_BYTE_BASE_OFFSET, codeSize); |
| return code; |
| } |
| } |