Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/AddressLiteral.java @ 4178:d1b26c17910a
Add the Dacapo benchmarks to the "lib" folder instead of using the environment variable. Fixed an issue in the downloader.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Mon, 02 Jan 2012 21:52:23 +0100 |
parents | e233f5660da4 |
children |
line wrap: on
line source
/* * Copyright (c) 2007, 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.sun.max.asm; import com.sun.max.lang.*; /** * Represents a position assembled as an absolute address. */ public class AddressLiteral extends MutableAssembledObject { protected AddressLiteral(Assembler assembler, int startPosition, int endPosition, Label label) { super(assembler, startPosition, endPosition); assembler.addFixedSizeAssembledObject(this); this.label = label; } private final Label label; @Override protected final void assemble() throws AssemblyException { final Assembler assembler = assembler(); final WordWidth wordWidth = assembler.wordWidth(); if (wordWidth == WordWidth.BITS_64) { assembler.emitLong(assembler.baseAddress() + label.position()); } else if (wordWidth == WordWidth.BITS_32) { assembler.emitInt((int) (assembler.baseAddress() + label.position())); } else if (wordWidth == WordWidth.BITS_16) { assembler.emitShort((short) (assembler.baseAddress() + label.position())); } else { assert wordWidth == WordWidth.BITS_8; assembler.emitByte((byte) (assembler.baseAddress() + label.position())); } } public final boolean isCode() { return false; } }