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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/gnu/gcj/jvmti/Location.java
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+// Location.java - a wrapper class for breakpoint locations in JVMTI
+
+/* Copyright (C) 2006 Free Software Foundation
+
+ This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
+details. */
+
+package gnu.gcj.jvmti;
+
+import java.lang.Long;
+
+/**
+ * This class represents a breakpoint location (pair<jmethodID,jlocation>).
+ * BreakpointManager uses this class as a key in the Map of installed
+ * breakpoints.
+ *
+ * @author Keith Seitz (keiths@redhat.com)
+ */
+public class Location
+{
+ // method (a jmethodID in JVMTI)
+ private long method;
+
+ // index (a jlocation in JVMTI)
+ private long location;
+
+ /**
+ * Constructor
+ *
+ * @param method the method defined by this location (a jmethodID)
+ * @param location the integer index of the insn in the method (a jlocation)
+ */
+ public Location (long method, long location)
+ {
+ this.method = method;
+ this.location = location;
+ }
+
+ public int hashCode ()
+ {
+ return toString ().hashCode ();
+ }
+
+ public boolean equals (Object obj)
+ {
+ Location loc = (Location) obj;
+ return (loc.method == method && loc.location == location);
+ }
+
+ /**
+ * Converts the Location to a String
+ */
+ public String toString ()
+ {
+ return Long.toHexString (method) + "." + Long.toString (location);
+ }
+}