Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/InstructionWithAddress.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> |
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date | Mon, 02 Jan 2012 21:52:23 +0100 |
parents | e233f5660da4 |
children |
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/* * 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.program.*; /** * An instruction that addresses some data with an absolute address. */ public abstract class InstructionWithAddress extends InstructionWithLabel { protected InstructionWithAddress(Assembler assembler, int startPosition, int endPosition, Label label) { super(assembler, startPosition, endPosition, label); assembler.addFixedSizeAssembledObject(this); } public int addressAsInt() throws AssemblyException { final Assembler32 assembler = (Assembler32) assembler(); switch (label().state()) { case BOUND: { return assembler.startAddress() + label().position(); } case FIXED_32: { return assembler.address(label()); } case FIXED_64: { throw ProgramError.unexpected("64-bit address requested for 32-bit assembler"); } default: { throw new AssemblyException("unassigned label"); } } } public long addressAsLong() throws AssemblyException { final Assembler64 assembler = (Assembler64) assembler(); switch (label().state()) { case BOUND: { return assembler.startAddress() + label().position(); } case FIXED_64: { return assembler.address(label()); } case FIXED_32: { throw ProgramError.unexpected("32-bit address requested for 64-bit assembler"); } default: { throw new AssemblyException("unassigned label"); } } } }