Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86JmpInstruction.java @ 3945:8ed53447f690
Merge
author | iveresov |
---|---|
date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2003, 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.*; public class X86JmpInstruction extends X86Instruction implements BranchInstruction { final private Address addr; public X86JmpInstruction(String name, Address addr, int size, int prefixes) { super(name, size, prefixes); this.addr = addr; if(addr instanceof X86PCRelativeAddress) { ((X86PCRelativeAddress)addr).setInstructionSize(getSize()); } } public String asString(long currentPc, SymbolFinder symFinder) { StringBuffer buf = new StringBuffer(); buf.append(getPrefixString()); buf.append(getName()); buf.append(spaces); long address; if(addr instanceof X86PCRelativeAddress) { long disp = ((X86PCRelativeAddress)addr).getDisplacement(); address = disp + currentPc; buf.append(symFinder.getSymbolFor(address)); } else { buf.append(addr.toString()); } return buf.toString(); } public Address getBranchDestination() { return addr; } public boolean isBranch() { return true; } public boolean isConditional() { return false; } }