Mercurial > hg > truffle
view graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/InstalledCode.java @ 17216:7d8bb35e67c8
Merge
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Thu, 25 Sep 2014 09:42:28 -0700 |
parents | deab46118819 |
children | c9744d2095e0 |
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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; /** * Counts how often the address field was reassigned. */ private long version; protected final String name; public InstalledCode(String name) { this.name = name; } public final void setAddress(long address) { this.address = address; version++; } /** * @return the address of this code blob */ public final long getAddress() { return address; } /** * @return the address of this code blob */ public final long getVersion() { return version; } /** * Returns the start address of this installed code if it is {@linkplain #isValid() valid}, 0 * otherwise. */ public long getStart() { return 0; } /** * Returns the number of instruction bytes for this code. */ public long getCodeSize() { 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() { throw new UnsupportedOperationException(); } /** * 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 { throw new UnsupportedOperationException(); } }