diff agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86PCRelativeAddress.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/x86/X86PCRelativeAddress.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,54 @@
+/*
+ * 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 is specified as an offset from current PC
+
+public class X86PCRelativeAddress extends PCRelativeAddress {
+   private int instrSize;
+
+   public X86PCRelativeAddress(long disp) {
+       super(disp);
+   }
+
+
+   public void setInstructionSize(int size) {
+      instrSize = size;
+   }
+
+   public String toString() {
+      long displacement = this.getDisplacement();
+      return new Long(displacement).toString();
+   }
+
+   //In intel assembly the displacement is from start of next instruction.
+   //So we add the size of current instruction to get the correct disp.
+   public long getDisplacement() {
+      long displacement = super.getDisplacement() + (long)instrSize;
+      return displacement;
+   }
+}