diff agent/src/share/classes/sun/jvm/hotspot/asm/BaseIndexScaleDispAddress.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
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;
+   }
+}