diff agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9MembarInstruction.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/sparc/SPARCV9MembarInstruction.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,87 @@
+/*
+ * 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.sparc;
+
+import sun.jvm.hotspot.asm.SymbolFinder;
+import java.util.Vector;
+
+public class SPARCV9MembarInstruction extends SPARCInstruction
+                  implements SPARCV9Instruction {
+    final private int mmask;
+    final private int cmask;
+    final private String description;
+
+    public SPARCV9MembarInstruction(int mmask, int cmask) {
+        super("membar");
+        this.mmask = mmask & 0xF;
+        this.cmask = cmask & 0x7;
+        description = initDescription();
+    }
+
+    private String initDescription() {
+        StringBuffer buf = new StringBuffer();
+        buf.append(getName());
+        buf.append(spaces);
+
+        Vector masks = new Vector();
+        if ((mmask & 0x1) != 0)
+            masks.add("#LoadLoad");
+        if ((mmask & 0x2) != 0)
+            masks.add("#StoreLoad");
+        if ((mmask & 0x4) != 0)
+            masks.add("#LoadStore");
+        if ((mmask & 0x8) != 0)
+            masks.add("#StoreStore");
+
+        if ((cmask & 0x1) != 0)
+            masks.add("#Lookaside");
+        if ((cmask & 0x2) != 0)
+            masks.add("#MemIssue");
+        if ((cmask & 0x4) != 0)
+            masks.add("#Sync");
+
+        // add all masks
+        Object[] tempMasks = masks.toArray();
+        for (int i=0; i < tempMasks.length - 1; i++) {
+            buf.append((String)tempMasks[i]);
+            buf.append("| ");
+        }
+        buf.append((String)tempMasks[tempMasks.length - 1]);
+
+        return buf.toString();
+    }
+
+    public int getMMask() {
+        return mmask;
+    }
+
+    public int getCMask() {
+        return cmask;
+    }
+
+    public String asString(long currentPc, SymbolFinder symFinder) {
+        return description;
+    }
+}