Mercurial > hg > graal-jvmci-8
diff agent/src/share/classes/sun/jvm/hotspot/asm/BaseIndexScaleDispAddress.java @ 0:a61af66fc99e jdk7-b24
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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/BaseIndexScaleDispAddress.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,88 @@ +/* + * Copyright 2002 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; + +// address is calculated as (base + (index * scale) + displacement) +// optionally index is auto incremented or decremented + +public abstract class BaseIndexScaleDispAddress extends IndirectAddress { + private final Register base, index; + private final int scale; + private final long disp; + private boolean isAutoIncr; + private boolean isAutoDecr; + + public BaseIndexScaleDispAddress(Register base, Register index, long disp, int scale) { + this.base = base; + this.index = index; + this.disp = disp; + this.scale = scale; + } + + public BaseIndexScaleDispAddress(Register base, Register index, long disp) { + this(base, index, disp, 1); + } + + public BaseIndexScaleDispAddress(Register base, Register index) { + this(base, index, 0L, 1); + } + + public BaseIndexScaleDispAddress(Register base, long disp) { + this(base, null, disp, 1); + } + + public Register getBase() { + return base; + } + + public Register getIndex() { + return index; + } + + public int getScale() { + return scale; + } + + public long getDisplacement() { + return disp; + } + + // is the index auto decremented or incremented? + public boolean isAutoIncrement() { + return isAutoIncr; + } + + public void setAutoIncrement(boolean value) { + isAutoIncr = value; + } + + public boolean isAutoDecrement() { + return isAutoDecr; + } + + public void setAutoDecrement(boolean value) { + isAutoDecr = value; + } +}