Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotInstalledCode.java @ 21671:8d0c2aabfc2d
missed Graal -> JVMCI renamings
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 02 Jun 2015 19:11:34 +0200 |
parents | 48c1ebd24120 |
children |
line wrap: on
line source
/* * 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 com.oracle.jvmci.hotspot; import static com.oracle.jvmci.common.UnsafeAccess.*; import sun.misc.*; import com.oracle.jvmci.code.*; import edu.umd.cs.findbugs.annotations.*; /** * 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; } /** * @return a copy of this code blob if it is {@linkplain #isValid() valid}, null otherwise. */ public byte[] getBlob() { if (!isValid()) { return null; } byte[] blob = new byte[size]; unsafe.copyMemory(null, getAddress(), blob, Unsafe.ARRAY_BYTE_BASE_OFFSET, size); return blob; } @Override public abstract String toString(); @Override public long getStart() { return codeStart; } @Override 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; } }