Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86RegisterIndirectAddress.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.Address; import sun.jvm.hotspot.asm.BaseIndexScaleDispAddress; public class X86RegisterIndirectAddress extends BaseIndexScaleDispAddress { final private X86SegmentRegister segReg; public X86RegisterIndirectAddress(X86SegmentRegister segReg, X86Register base, X86Register index, long disp, int scale) { super(base, index, disp, scale); this.segReg = segReg; } public X86RegisterIndirectAddress(X86SegmentRegister segReg, X86Register base, X86Register index, long disp) { super(base, index, disp, -1); this.segReg = segReg; } public String toString() { StringBuffer buf = new StringBuffer(); if(segReg != null) { buf.append(segReg.toString()); buf.append(":"); } long disp = getDisplacement(); if(disp != 0) buf.append(disp); sun.jvm.hotspot.asm.Register base = getBase(); sun.jvm.hotspot.asm.Register index = getIndex(); int scaleVal = getScale(); scaleVal = 1 << scaleVal; if( (base != null) || (index != null) || (scaleVal > 1) ) buf.append('['); if(base != null) { buf.append(base.toString()); if(index != null) { buf.append("+"); buf.append(index.toString()); } } else { if(index != null) { buf.append(index.toString()); } } if (scaleVal > 1) { buf.append(" * "); buf.append(Integer.toString(scaleVal)); } if( (base != null) || (index != null) || (scaleVal > 1) ) buf.append(']'); return buf.toString(); } }