--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/JmplDecoder.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,55 @@
+/*
+ * 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.*;
+
+class JmplDecoder extends MemoryInstructionDecoder {
+    JmplDecoder() {
+        super(JMPL, "jmpl", RTLDT_UNSIGNED_WORD);
+    }
+
+    Instruction decodeMemoryInstruction(int instruction, SPARCRegisterIndirectAddress addr,
+                       SPARCRegister rd,  SPARCInstructionFactory factory) {
+        // this may be most probably indirect call or ret or retl
+        Instruction instr = null;
+        if (rd == SPARCRegisters.O7) {
+            instr = factory.newIndirectCallInstruction(addr, rd);
+        } else if (rd == SPARCRegisters.G0) {
+            int disp = (int) addr.getDisplacement();
+            Register base = addr.getBase();
+            if (base == SPARCRegisters.I7 && disp == 8) {
+                instr = factory.newReturnInstruction(addr, rd, false /* not leaf */);
+            } else if (base == SPARCRegisters.O7 && disp == 8) {
+                instr = factory.newReturnInstruction(addr, rd, true /* leaf */);
+            } else {
+                instr = factory.newJmplInstruction(addr, rd);
+            }
+        } else {
+            instr = factory.newJmplInstruction(addr, rd);
+        }
+        return instr;
+    }
+}