Merge remote-tracking branch 'origin/GP-2719_Dan_watchUpdates' into Ghidra_10.2

Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/gui/watch/DebuggerWatchesProvider.java

@@ -883,11 +883,29 @@ public class DebuggerWatchesProvider extends ComponentProviderAdapter
 		reevaluate();
 	}
 
+	protected void clearCachedState() {
+		if (asyncWatchExecutor != null) {
+			asyncWatchExecutor.getState().clear();
+		}
+		if (prevValueExecutor != null) {
+			prevValueExecutor.getState().clear();
+		}
+	}
+
 	public synchronized void doCheckDepsAndReevaluate() {
-		asyncWatchExecutor.getState().clear();
+		if (asyncWatchExecutor == null) {
+			return;
+		}
+		List<WatchRow> toReevaluate = new ArrayList<>();
 		for (WatchRow row : watchTableModel.getModelData()) {
 			AddressSetView reads = row.getReads();
 			if (reads == null || reads.intersects(changed)) {
+				toReevaluate.add(row);
+			}
+		}
+		if (!toReevaluate.isEmpty()) {
+			clearCachedState();
+			for (WatchRow row : toReevaluate) {
 				row.reevaluate();
 			}
 		}
@@ -895,6 +913,10 @@ public class DebuggerWatchesProvider extends ComponentProviderAdapter
 	}
 
 	public void reevaluate() {
+		if (asyncWatchExecutor == null) {
+			return;
+		}
+		clearCachedState();
 		for (WatchRow row : watchTableModel.getModelData()) {
 			row.reevaluate();
 		}

Ghidra/Debug/Debugger/src/main/java/ghidra/pcode/exec/DebuggerPcodeUtils.java

@@ -72,7 +72,13 @@ public enum DebuggerPcodeUtils {
 		}
 		PcodeExecutorState<byte[]> local = new RWTargetRegistersPcodeExecutorState(
 			access.getDataForLocalState(coordinates.getThread(), coordinates.getFrame()), Mode.RW);
-		return new ThreadPcodeExecutorState<>(shared, local);
+		return new ThreadPcodeExecutorState<>(shared, local) {
+			@Override
+			public void clear() {
+				shared.clear();
+				local.clear();
+			}
+		};
 	}
 
 	/**