Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/BranchDecoder.java @ 3945:8ed53447f690
Merge
author | iveresov |
---|---|
date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2002, 2004, 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 sun.jvm.hotspot.asm.x86; import sun.jvm.hotspot.asm.*; import sun.jvm.hotspot.utilities.*; public class BranchDecoder extends InstructionDecoder { public BranchDecoder(String name) { super(name); } public BranchDecoder(String name, int addrMode1, int operandType1) { super(name, addrMode1, operandType1); } protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) { Operand addr = getOperand1(bytesArray, operandSize, addrSize); if (Assert.ASSERTS_ENABLED) { Assert.that(addr == null || addr instanceof X86PCRelativeAddress, "Address should be PC Relative!"); } int size = byteIndex - instrStartIndex; return factory.newBranchInstruction(name, (X86PCRelativeAddress)addr, size, prefixes); } }