Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86RegisterIndirectAddress.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86RegisterIndirectAddress.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,86 @@ +/* + * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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(); + } +}