Mercurial > hg > graal-compiler
view graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/InstalledCode.java @ 15162:dbb1fe8348e6
Allow to supply predefined installed code object when adding a method to the code cache.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 15 Apr 2014 15:22:37 +0200 |
parents | 2c940b1a48d8 |
children | 7bc92bdfd322 |
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/* * 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.graal.api.code; /** * Represents a compiled instance of a method. It may have been invalidated or removed in the * meantime. */ public class InstalledCode { /** * Raw address of this code blob. */ private long address; /** * @return the address of this code blob */ public long getAddress() { return address; } /** * Returns the start address of this installed code if it is {@linkplain #isValid() valid}, 0 * otherwise. */ public long getStart() { return 0; } /** * Returns a copy of this installed code if it is {@linkplain #isValid() valid}, null otherwise. */ public byte[] getCode() { return null; } /** * @return true if the code represented by this object is still valid, false otherwise (may * happen due to deopt, etc.) */ public boolean isValid() { return address != 0; } /** * Invalidates this installed code such that any subsequent invocation will throw an * {@link InvalidInstalledCodeException}. */ public void invalidate() { } /** * Executes the installed code with a variable number of arguments. * * @param args the array of object arguments * @return the value returned by the executed code */ @SuppressWarnings("unused") public Object executeVarargs(Object... args) throws InvalidInstalledCodeException { return null; } }