GP-5266: Only track on user click or address change.

Ghidra/Debug/Debugger-api/src/main/java/ghidra/debug/api/tracemgr/DebuggerCoordinates.java

@@ -66,7 +66,7 @@ public class DebuggerCoordinates {
 	private static final String KEY_FRAME = "Frame";
 	private static final String KEY_OBJ_PATH = "ObjectPath";
 
-	public static boolean equalsIgnoreRecorderAndView(DebuggerCoordinates a,
+	public static boolean equalsIgnoreTargetAndView(DebuggerCoordinates a,
 			DebuggerCoordinates b) {
 		if (!Objects.equals(a.trace, b.trace)) {
 			return false;
@@ -417,6 +417,36 @@ public class DebuggerCoordinates {
 			newFrame, newPath);
 	}
 
+	/**
+	 * Checks if the given coordinates are the same as this but with an extra or differing patch.
+	 * 
+	 * @param that the other coordinates
+	 * @return true if the difference is only in the final patch step
+	 */
+	public boolean differsOnlyByPatch(DebuggerCoordinates that) {
+		if (!Objects.equals(this.trace, that.trace)) {
+			return false;
+		}
+
+		if (!Objects.equals(this.platform, that.platform)) {
+			return false;
+		}
+		if (!Objects.equals(this.thread, that.thread)) {
+			return false;
+		}
+		// Consider defaults
+		if (!Objects.equals(this.getFrame(), that.getFrame())) {
+			return false;
+		}
+		if (!Objects.equals(this.getObject(), that.getObject())) {
+			return false;
+		}
+		if (!this.getTime().differsOnlyByPatch(that.getTime())) {
+			return false;
+		}
+		return true;
+	}
+
 	public DebuggerCoordinates frame(int newFrame) {
 		if (trace == null) {
 			return NOWHERE;
@@ -621,7 +651,11 @@ public class DebuggerCoordinates {
 		if (registerContainer != null) {
 			return registerContainer;
 		}
-		return registerContainer = getObject().findRegisterContainer(getFrame());
+		TraceObject object = getObject();
+		if (object == null) {
+			return null;
+		}
+		return registerContainer = object.findRegisterContainer(getFrame());
 	}
 
 	public synchronized long getViewSnap() {