Merge remote-tracking branch 'origin/patch'

Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/DBTraceUtils.java

@@ -75,6 +75,10 @@ public enum DBTraceUtils {
 		public int hashCode() {
 			return Objects.hash(offset, snap);
 		}
+
+		public boolean isScratch() {
+			return DBTraceUtils.isScratch(snap);
+		}
 	}
 
 	// TODO: Should this be in by default?
@@ -460,6 +464,10 @@ public enum DBTraceUtils {
 		return a.isConnected(b) && !a.intersection(b).isEmpty();
 	}
 
+	public static boolean isScratch(long snap) {
+		return snap < 0;
+	}
+
 	public static <C extends Comparable<C>> int compareRanges(Range<C> a, Range<C> b) {
 		int result;
 		if (!a.hasLowerBound() && b.hasLowerBound()) {
@@ -516,6 +524,7 @@ public enum DBTraceUtils {
 	/**
 	 * TODO: Document me
 	 * 
+	 * <p>
 	 * Only call this method for entries which definitely intersect the given span
 	 * 
 	 * @param data

Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/memory/DBTraceMemoryBlockEntry.java

@@ -45,7 +45,10 @@ class DBTraceMemoryBlockEntry extends DBAnnotatedObject {
 		return DBTraceUtils.tableName(TABLE_NAME, space, threadKey, frameLevel);
 	}
 
-	@DBAnnotatedField(column = LOCATION_COLUMN_NAME, indexed = true, codec = OffsetThenSnapDBFieldCodec.class)
+	@DBAnnotatedField(
+		column = LOCATION_COLUMN_NAME,
+		indexed = true,
+		codec = OffsetThenSnapDBFieldCodec.class)
 	private OffsetSnap location;
 	@DBAnnotatedField(column = BUFFER_COLUMN_NAME)
 	private long bufferKey = -1;
@@ -73,6 +76,10 @@ class DBTraceMemoryBlockEntry extends DBAnnotatedObject {
 		return location.snap;
 	}
 
+	public boolean isScratch() {
+		return DBTraceUtils.isScratch(location.snap);
+	}
+
 	private int getBlockNumber() {
 		return Byte.toUnsignedInt(blockNum);
 	}
@@ -82,6 +89,8 @@ class DBTraceMemoryBlockEntry extends DBAnnotatedObject {
 		assert loc.snap > location.snap;
 		DBTraceMemoryBlockEntry cp = space.blockStore.create();
 		cp.setLoc(loc);
+		space.blockCacheMostRecent.clear();
+		space.blockCacheMostRecent.put(loc, cp);
 		DBTraceMemoryBufferEntry myBuf = findAssignedBuffer();
 		if (myBuf == null) {
 			return cp;
@@ -134,11 +143,11 @@ class DBTraceMemoryBlockEntry extends DBAnnotatedObject {
 	}
 
 	protected DBTraceMemoryBufferEntry findFreeBufferInFuture() throws IOException {
-		DBTraceMemoryBlockEntry prev = space.findSoonestBlockEntry(location, false);
-		if (prev == null) {
+		DBTraceMemoryBlockEntry next = space.findSoonestBlockEntry(location, false);
+		if (next == null) {
 			return null;
 		}
-		return findFreeBuffer(prev);
+		return findFreeBuffer(next);
 	}
 
 	protected DBTraceMemoryBufferEntry findFreeBuffer() throws IOException {

Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/memory/DBTraceMemorySpace.java

@@ -86,7 +86,7 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 	protected final DBCachedObjectStore<DBTraceMemoryBufferEntry> bufferStore;
 	protected final DBCachedObjectStore<DBTraceMemoryBlockEntry> blockStore;
 	protected final DBCachedObjectIndex<OffsetSnap, DBTraceMemoryBlockEntry> blocksByOffset;
-	protected final Map<OffsetSnap, DBTraceMemoryBlockEntry> blockCache = CacheBuilder
+	protected final Map<OffsetSnap, DBTraceMemoryBlockEntry> blockCacheMostRecent = CacheBuilder
 			.newBuilder()
 			.removalListener(this::blockCacheEntryRemoved)
 			.maximumSize(10)
@@ -483,7 +483,7 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 		if (!inclusive) {
 			loc = new OffsetSnap(loc.offset, loc.snap - 1);
 		}
-		ent = blockCache.get(loc);
+		ent = blockCacheMostRecent.get(loc);
 		if (ent != null) {
 			return ent;
 		}
@@ -492,13 +492,26 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 			return null;
 		}
 		ent = it.next();
-		if (ent.getOffset() != loc.offset) {
+		if (ent.getOffset() != loc.offset || ent.isScratch() != loc.isScratch()) {
 			return null;
 		}
-		blockCache.put(loc, ent);
+		blockCacheMostRecent.put(loc, ent);
 		return ent;
 	}
 
+	/**
+	 * Locate the soonest block entry for the given offset-snap pair
+	 * 
+	 * <p>
+	 * To qualify, the entry must have a snap greater than (or optionally equal to) that given and
+	 * an offset exactly equal to that given. That is, it is the earliest in time, but most follow
+	 * the given snap. Additionally, if the given snap is in scratch space, the found entry must
+	 * also be in scratch space.
+	 * 
+	 * @param loc the offset-snap pair
+	 * @param inclusive true to allow equal snap
+	 * @return the found entry, or null
+	 */
 	protected DBTraceMemoryBlockEntry findSoonestBlockEntry(OffsetSnap loc, boolean inclusive) {
 		Iterator<DBTraceMemoryBlockEntry> it;
 		if (inclusive) {
@@ -512,7 +525,7 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 			return null;
 		}
 		DBTraceMemoryBlockEntry next = it.next();
-		if (next.getOffset() != loc.offset) {
+		if (next.getOffset() != loc.offset || next.isScratch() != loc.isScratch()) {
 			return null;
 		}
 		return next;
@@ -541,19 +554,19 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 			}
 			ent = ent.copy(loc);
 			ent.setBytes(buf, dstOffset, maxLen);
-			blockCache.put(loc, ent);
 			return;
 		}
-		// (1) or (2a)
+		// (1) or (2b)
 		ent = blockStore.create();
 		ent.setLoc(loc);
+		blockCacheMostRecent.clear();
+		blockCacheMostRecent.put(loc, ent);
 		if (ent.cmpBytes(buf, dstOffset, maxLen) == 0) {
 			// Keep the entry, but don't allocate storage in a buffer
 			buf.position(buf.position() + maxLen);
 			return;
 		}
 		ent.setBytes(buf, dstOffset, maxLen);
-		blockCache.put(loc, ent);
 	}
 
 	protected static class OutSnap {
@@ -568,13 +581,14 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 			OutSnap lastSnap, Set<TraceAddressSnapRange> changed) throws IOException {
 		// NOTE: Do not leave the buffer advanced from here
 		int pos = buf.position();
+		// exclusive?
 		Iterator<DBTraceMemoryBlockEntry> it =
-			blocksByOffset.tail(new OffsetSnap(loc.offset, loc.snap + 1), true).values().iterator(); // exclusive
+			blocksByOffset.tail(new OffsetSnap(loc.offset, loc.snap + 1), true).values().iterator();
 		AddressSet remaining = new AddressSet(space.getAddress(loc.offset + dstOffset),
 			space.getAddress(loc.offset + dstOffset + maxLen - 1));
 		while (it.hasNext()) {
 			DBTraceMemoryBlockEntry next = it.next();
-			if (next.getOffset() != loc.offset) {
+			if (next.getOffset() != loc.offset || next.isScratch() != loc.isScratch()) {
 				break;
 			}
 			AddressSetView withState =
@@ -892,6 +906,26 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 		return BLOCK_SIZE;
 	}
 
+	protected boolean isCross(long lower, long upper) {
+		return lower < 0 && upper >= 0;
+	}
+
+	/**
+	 * Determine the truncation snap if the given span and range include byte changes
+	 * 
+	 * <p>
+	 * Code units do not understand or accommodate changes in time, so the underlying bytes of the
+	 * unit must be the same throughout its lifespan. Typically, units are placed with a desired
+	 * creation snap, and then its life is extended into the future opportunistically. Thus, when
+	 * truncating, we desire to keep the start snap, then search for the soonest byte change within
+	 * the desired lifespan. Furthermore, we generally don't permit a unit to exist in both record
+	 * and scratch spaces, i.e., it cannot span both the -1 and 0 snaps.
+	 * 
+	 * @param span the desired lifespan
+	 * @param range the address range covered
+	 * @return the first snap that should be excluded, or {@link Long#MIN_VALUE} to indicate no
+	 *         change.
+	 */
 	public long getFirstChange(Range<Long> span, AddressRange range) {
 		assertInSpace(range);
 		long lower = DBTraceUtils.lowerEndpoint(span);
@@ -899,21 +933,24 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 		if (lower == upper) {
 			return Long.MIN_VALUE;
 		}
-		Range<Long> fwdOne = DBTraceUtils.toRange(lower + 1, upper);
+		boolean cross = isCross(lower, upper);
+		if (cross && lower == -1) {
+			return 0; // Avoid reversal of range end points. 
+		}
+		Range<Long> fwdOne = DBTraceUtils.toRange(lower + 1, cross ? -1 : upper);
 		ByteBuffer buf1 = ByteBuffer.allocate(BLOCK_SIZE);
 		ByteBuffer buf2 = ByteBuffer.allocate(BLOCK_SIZE);
 		try (LockHold hold = LockHold.lock(lock.readLock())) {
 			for (TraceAddressSnapRange tasr : stateMapSpace.reduce(
 				TraceAddressSnapRangeQuery.intersecting(range, fwdOne)
-						.starting(
-							Rectangle2DDirection.BOTTOMMOST))
+						.starting(Rectangle2DDirection.BOTTOMMOST))
 					.orderedKeys()) {
 				AddressRange toExamine = range.intersect(tasr.getRange());
 				if (doCheckBytesChanged(tasr.getY1(), toExamine, buf1, buf2)) {
 					return tasr.getY1();
 				}
 			}
-			return Long.MIN_VALUE;
+			return cross ? 0 : Long.MIN_VALUE;
 		}
 		catch (IOException e) {
 			blockStore.dbError(e);
@@ -936,7 +973,8 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 			getBytes(snap, start, oldBytes);
 			// New in the sense that they're about to replace the old bytes
 			ByteBuffer newBytes = ByteBuffer.allocate(len);
-			if (snap != 0) {
+			// NB. Don't want to wrap to Long.MAX_VALUE, but also don't want to read from scratch
+			if (snap != 0 && snap != Long.MIN_VALUE) {
 				getBytes(snap - 1, start, newBytes);
 				newBytes.flip();
 			}
@@ -991,7 +1029,7 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
 			stateMapSpace.invalidateCache();
 			bufferStore.invalidateCache();
 			blockStore.invalidateCache();
-			blockCache.clear();
+			blockCacheMostRecent.clear();
 		}
 	}
 }

Ghidra/Debug/Framework-TraceModeling/src/test/java/ghidra/trace/database/listing/DBTraceCodeManagerTest.java

@@ -201,6 +201,24 @@ public class DBTraceCodeManagerTest extends AbstractGhidraHeadlessIntegrationTes
 		}
 	}
 
+	@Test
+	public void testAddInstructionInScratch() throws CodeUnitInsertionException {
+		try (UndoableTransaction tid = b.startTransaction()) {
+			b.trace.getMemoryManager().putBytes(-5L, b.addr(0x4001), b.buf(0xaa));
+			TraceInstruction i4000 =
+				b.addInstruction(-10, b.addr(0x4000), b.language, b.buf(0xf4, 0));
+			assertEquals(Range.closed(-10L, -6L), i4000.getLifespan());
+
+			TraceInstruction i4004 =
+				b.addInstruction(-1, b.addr(0x4004), b.language, b.buf(0xf4, 0));
+			assertEquals(Range.closed(-1L, -1L), i4004.getLifespan());
+
+			TraceInstruction i4008 =
+				b.addInstruction(-10, b.addr(0x4008), b.language, b.buf(0xf4, 0));
+			assertEquals(Range.closed(-10L, -1L), i4008.getLifespan());
+		}
+	}
+
 	@Test
 	public void testPutBytesTruncatesInstruction() throws CodeUnitInsertionException {
 		try (UndoableTransaction tid = b.startTransaction()) {

Ghidra/Debug/Framework-TraceModeling/src/test/java/ghidra/trace/database/memory/AbstractDBTraceMemoryManagerTest.java

@@ -708,6 +708,21 @@ public abstract class AbstractDBTraceMemoryManagerTest
 		assertArrayEquals(arr(0, 0, 9, 10, 5, 6, 7, 8, 3, 4, 17, 18, 0, 0), read.array());
 	}
 
+	@Test
+	public void testGetBytesCrossScratch() {
+		try (UndoableTransaction tid = b.startTransaction()) {
+			assertEquals(4, memory.putBytes(Long.MIN_VALUE, b.addr(0x4000), buf(1, 2, 3, 4)));
+		}
+
+		ByteBuffer read = buf(-1, -1, -1, -1);
+		assertEquals(4, memory.getBytes(1, b.addr(0x4000), read));
+		assertArrayEquals(arr(-1, -1, -1, -1), read.array());
+
+		read.position(0);
+		assertEquals(4, memory.getBytes(-1, b.addr(0x4000), read));
+		assertArrayEquals(arr(1, 2, 3, 4), read.array());
+	}
+
 	@Test
 	public void testPutBytesPackGetBytes() {
 		try (UndoableTransaction tid = b.startTransaction()) {

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/codebrowser/CodeBrowserSelectionPlugin.java

@@ -57,20 +57,10 @@ public class CodeBrowserSelectionPlugin extends Plugin {
 
 	private static final String SELECT_GROUP = "Select Group";
 	private static final String SELECTION_LIMIT_OPTION_NAME = "Table From Selection Limit";
-	private static final int DEFAULT_TABLE_LIMIT = 20000;
 
 	public CodeBrowserSelectionPlugin(PluginTool tool) {
 		super(tool);
 		createActions();
-		registerOptions();
-	}
-
-	private void registerOptions() {
-		ToolOptions toolOptions = tool.getOptions(ToolConstants.TOOL_OPTIONS);
-		toolOptions.registerOption(SELECTION_LIMIT_OPTION_NAME, DEFAULT_TABLE_LIMIT,
-			new HelpLocation("CodeBrowserPlugin", "Selection_Table"),
-			"The maximum number of code units to include when creating a table from " +
-				"a selection in the Listing");
 	}
 
 	private void createActions() {
@@ -126,14 +116,14 @@ public class CodeBrowserSelectionPlugin extends Plugin {
 			Msg.showWarn(this, null, "No Table Service", "Please add the TableServicePlugin.");
 			return;
 		}
+
 		Program program = componentProvider.getProgram();
 		Listing listing = program.getListing();
-
 		ProgramSelection selection = componentProvider.getSelection();
 		CodeUnitIterator codeUnits = listing.getCodeUnits(selection, true);
 		if (!codeUnits.hasNext()) {
 			tool.setStatusInfo(
-				"Unable to create table from selection: no " + "code units in selection");
+				"Unable to create table from selection: no code units in selection");
 			return;
 		}
 
@@ -151,7 +141,6 @@ public class CodeBrowserSelectionPlugin extends Plugin {
 
 		CodeUnitFromSelectionTableModelLoader loader =
 			new CodeUnitFromSelectionTableModelLoader(iterator, selection);
-
 		return new CustomLoadingAddressTableModel(" - from " + selection.getMinAddress(), tool,
 			program, loader, null, true);
 	}
@@ -172,8 +161,8 @@ public class CodeBrowserSelectionPlugin extends Plugin {
 				throws CancelledException {
 
 			ToolOptions options = tool.getOptions(ToolConstants.TOOL_OPTIONS);
-			int resultsLimit =
-				options.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, DEFAULT_TABLE_LIMIT);
+			int resultsLimit = options.getInt(GhidraOptions.OPTION_SEARCH_LIMIT,
+				PluginConstants.DEFAULT_SEARCH_LIMIT);
 
 			long size = selection.getNumAddresses();
 			monitor.initialize(size);

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/gotoquery/GoToServicePlugin.java

@@ -53,20 +53,27 @@ import ghidra.program.util.ProgramSelection;
 )
 //@formatter:on
 public final class GoToServicePlugin extends ProgramPlugin {
+
 	private GoToServiceImpl gotoService;
 	private boolean disposed;
 
 	/**
 	 * Creates a new instance of the <CODE>GoToServicePlugin</CODE>
-	 * @param plugintool the tool
+	 * @param tool the tool
 	 */
-	public GoToServicePlugin(PluginTool plugintool) {
-		super(plugintool, true, true);
+	public GoToServicePlugin(PluginTool tool) {
+		super(tool, true, true);
+
+		Options opt = tool.getOptions(PluginConstants.SEARCH_OPTION_NAME);
+
+		// we register this option here, since the other search plugins all depend on this service
+		opt.registerOption(GhidraOptions.OPTION_SEARCH_LIMIT,
+			PluginConstants.DEFAULT_SEARCH_LIMIT, null,
+			"The maximum number of search results.");
 
 		gotoService = new GoToServiceImpl(this, new DefaultNavigatable());
 
 		registerServiceProvided(GoToService.class, gotoService);
-
 	}
 
 	@Override

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/GoToAddressLabelPlugin.java

@@ -49,40 +49,19 @@ import ghidra.util.bean.opteditor.OptionsVetoException;
 //@formatter:on
 public class GoToAddressLabelPlugin extends Plugin implements OptionsChangeListener {
 
-	//////////////////////////////////////////////////////////////////////
-	//                                                                  //
-	// Instance fields             										//
-	//                                                                  //
-	//////////////////////////////////////////////////////////////////////
-
-	private GoToAddressLabelDialog goToDialog;
-	private DockingAction action;
-	// configurable properties
-	private int maximumGotoEntries;
-	private boolean cStyleInput;
-	private boolean goToMemory;
-
-	//////////////////////////////////////////////////////////////////////
-	//                                                                  //
-	// Class fields and methods             							//
-	//                                                                  //
-	//////////////////////////////////////////////////////////////////////
-
 	private static final int DEFAULT_MAX_GOTO_ENTRIES = 10;
 	private static final boolean DEFAULT_C_STYLE = false;
 
-	/**
-	 * This option controls the Go To dialog's feature that remembers the last successful
-	 * go to entry.
-	 */
+	// remembers the last successful 'go to' entry
 	private static final String GO_TO_MEMORY = "Goto Dialog Memory";
 	private static final boolean DEFAULT_MEMORY = true;
 
-	//////////////////////////////////////////////////////////////////////
-	//                                                                  //
-	// Constructor               										//
-	//                                                                  //
-	//////////////////////////////////////////////////////////////////////
+	private GoToAddressLabelDialog goToDialog;
+	private DockingAction action;
+
+	private int maximumGotoEntries;
+	private boolean cStyleInput;
+	private boolean goToMemory;
 
 	public GoToAddressLabelPlugin(PluginTool pluginTool) {
 		super(pluginTool);
@@ -120,17 +99,11 @@ public class GoToAddressLabelPlugin extends Plugin implements OptionsChangeListe
 		GoToService gotoService = tool.getService(GoToService.class);
 		goToDialog = new GoToAddressLabelDialog(gotoService, this);
 		maximumGotoEntries = DEFAULT_MAX_GOTO_ENTRIES;
-		getOptions();
+		initOptions();
 
 		tool.addAction(action);
 	}
 
-	//////////////////////////////////////////////////////////////////////
-	//                                                                  //
-	// Configurable properties
-	//                                                                  //
-	//////////////////////////////////////////////////////////////////////
-
 	public final int getMaximumGotoEntries() {
 		return maximumGotoEntries;
 	}
@@ -145,16 +118,6 @@ public class GoToAddressLabelPlugin extends Plugin implements OptionsChangeListe
 		goToDialog.writeConfigState(saveState);
 	}
 
-	/**
-	 * Notification that an option changed.
-	 *
-	 * @param options options object containing the property that changed
-	 * @param group name of the group to which this option is associated,
-	 *        null if not associated with any group
-	 * @param opName name of option that changed
-	 * @param oldValue old value of the option
-	 * @param newValue new value of the option
-	 */
 	@Override
 	public void optionsChanged(ToolOptions options, String opName, Object oldValue,
 			Object newValue) {
@@ -177,12 +140,6 @@ public class GoToAddressLabelPlugin extends Plugin implements OptionsChangeListe
 		}
 	}
 
-	//////////////////////////////////////////////////////////////////////
-	//                                                                  //
-	// Overridden Plugin Methods               			     			//
-	//                                                                  //
-	//////////////////////////////////////////////////////////////////////
-
 	@Override
 	public void dispose() {
 		ToolOptions options = tool.getOptions(ToolConstants.TOOL_OPTIONS);
@@ -191,9 +148,8 @@ public class GoToAddressLabelPlugin extends Plugin implements OptionsChangeListe
 		super.dispose();
 	}
 
-	private void getOptions() {
+	private void initOptions() {
 		ToolOptions opt = tool.getOptions(ToolConstants.TOOL_OPTIONS);
-		// descriptions
 		opt.registerOption(GhidraOptions.OPTION_NUMERIC_FORMATTING, DEFAULT_C_STYLE, null,
 			"Interpret value entered in the Go To dialog as either hex, " +
 				"octal, or binary number.");
@@ -206,7 +162,6 @@ public class GoToAddressLabelPlugin extends Plugin implements OptionsChangeListe
 				"successful go to input in the combo box of the Go " +
 				"To dialog and will select the " + "value for easy paste replacement.");
 
-		// options
 		maximumGotoEntries =
 			opt.getInt(GhidraOptions.OPTION_MAX_GO_TO_ENTRIES, DEFAULT_MAX_GOTO_ENTRIES);
 

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/searchmem/MemSearchPlugin.java

@@ -93,7 +93,6 @@ public class MemSearchPlugin extends Plugin implements OptionsChangeListener,
 	private MemSearchDialog searchDialog;
 	private GoToService goToService;
 	private int searchLimit;
-	private static int DEFAULT_SEARCH_LIMIT = 500; // Default maximum number of search results.
 	private ImageIcon searchIcon;
 
 	private Color defaultHighlightColor;
@@ -121,7 +120,7 @@ public class MemSearchPlugin extends Plugin implements OptionsChangeListener,
 
 		createActions();
 		initializeOptionListeners();
-		getOptions();
+		loadOptions();
 		tool.addContextListener(this);
 	}
 
@@ -383,8 +382,6 @@ public class MemSearchPlugin extends Plugin implements OptionsChangeListener,
 		opt.registerOption(PluginConstants.AUTO_RESTRICT_SELECTION, true, null,
 			"Automactically adjusts memory searches restricted" +
 				" to the current selection, as selections comes and goes");
-		opt.registerOption(GhidraOptions.OPTION_SEARCH_LIMIT, DEFAULT_SEARCH_LIMIT, null,
-			"Number of search hits found before stopping");
 		opt.registerOption(PluginConstants.SEARCH_HIGHLIGHT_NAME, true, null,
 			"Toggles highlight search results");
 
@@ -400,10 +397,11 @@ public class MemSearchPlugin extends Plugin implements OptionsChangeListener,
 		opt.addOptionsChangeListener(this);
 	}
 
-	private void getOptions() {
+	private void loadOptions() {
 
 		Options opt = tool.getOptions(PluginConstants.SEARCH_OPTION_NAME);
-		int newSearchLimit = opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, DEFAULT_SEARCH_LIMIT);
+		int newSearchLimit =
+			opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, PluginConstants.DEFAULT_SEARCH_LIMIT);
 		if (newSearchLimit <= 0) {
 			throw new OptionsVetoException("Search limit must be greater than 0");
 		}
@@ -424,7 +422,7 @@ public class MemSearchPlugin extends Plugin implements OptionsChangeListener,
 	@Override
 	public void optionsChanged(ToolOptions options, String optionName, Object oldValue,
 			Object newValue) {
-		getOptions();
+		loadOptions();
 	}
 
 	protected void updateSelection(NavigatableActionContext context) {

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/searchtext/AbstractSearchTableModel.java

@@ -32,7 +32,6 @@ import ghidra.util.task.TaskMonitor;
  */
 public abstract class AbstractSearchTableModel extends ProgramLocationPreviewTableModel {
 
-	private final static int DEFAULT_SEARCH_LIMIT = 500;
 	final static String TITLE = "Text Search";
 
 	protected SearchOptions options;
@@ -50,7 +49,8 @@ public abstract class AbstractSearchTableModel extends ProgramLocationPreviewTab
 		this.set = set;
 		this.options = options;
 		Options opt = tool.getOptions(PluginConstants.SEARCH_OPTION_NAME);
-		searchLimit = opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, DEFAULT_SEARCH_LIMIT);
+		searchLimit =
+			opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, PluginConstants.DEFAULT_SEARCH_LIMIT);
 	}
 
 	@Override

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/searchtext/SearchTextPlugin.java

@@ -91,7 +91,6 @@ public class SearchTextPlugin extends ProgramPlugin implements OptionsChangeList
 	private static final ImageIcon searchIcon = ResourceManager.loadImage("images/searchm_obj.gif");
 
 	private static final String DESCRIPTION = "Search program text for string";
-	private final static int DEFAULT_SEARCH_LIMIT = 500;
 	private final static Highlight[] NO_HIGHLIGHTS = new Highlight[0];
 
 	private boolean waitingForSearchAll;
@@ -442,9 +441,6 @@ public class SearchTextPlugin extends ProgramPlugin implements OptionsChangeList
 		ToolOptions opt = tool.getOptions(PluginConstants.SEARCH_OPTION_NAME);
 		HelpLocation loc = new HelpLocation(HelpTopics.SEARCH, "HighlightText");
 
-		opt.registerOption(GhidraOptions.OPTION_SEARCH_LIMIT, DEFAULT_SEARCH_LIMIT, loc,
-			"Max number of matches on a search that will be displayed.");
-
 		opt.registerOption(PluginConstants.SEARCH_HIGHLIGHT_NAME, true, loc,
 			"Determines whether to highlight the matched string for a search in the listing.");
 		opt.registerOption(PluginConstants.SEARCH_HIGHLIGHT_COLOR_NAME,
@@ -454,7 +450,8 @@ public class SearchTextPlugin extends ProgramPlugin implements OptionsChangeList
 			PluginConstants.SEARCH_HIGHLIGHT_COLOR, loc,
 			"Color to use for highlighting when the match string occurs at the current address.");
 
-		searchLimit = opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, DEFAULT_SEARCH_LIMIT);
+		searchLimit =
+			opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, PluginConstants.DEFAULT_SEARCH_LIMIT);
 
 		doHighlight = opt.getBoolean(PluginConstants.SEARCH_HIGHLIGHT_NAME, true);
 		highlightColor = opt.getColor(PluginConstants.SEARCH_HIGHLIGHT_COLOR_NAME,

Ghidra/Features/Base/src/main/java/ghidra/app/util/navigation/GoToQuery.java

@@ -71,13 +71,8 @@ public class GoToQuery {
 		this.plugin = plugin;
 		this.goToService = goToService;
 		this.navigationOptions = navigationOptions;
-		Options opt = plugin.getTool().getOptions(PluginConstants.SEARCH_OPTION_NAME);
 
-		if (!opt.contains(GhidraOptions.OPTION_SEARCH_LIMIT)) {
-			opt.registerOption(GhidraOptions.OPTION_SEARCH_LIMIT,
-				PluginConstants.DEFAULT_SEARCH_LIMIT, null,
-				"The maximum number of search hits before stopping.");
-		}
+		Options opt = plugin.getTool().getOptions(PluginConstants.SEARCH_OPTION_NAME);
 		this.maxHits =
 			opt.getInt(GhidraOptions.OPTION_SEARCH_LIMIT, PluginConstants.DEFAULT_SEARCH_LIMIT);
 		this.fromAddress = fromAddr;
@@ -496,7 +491,7 @@ public class GoToQuery {
 		Program program = navigatable.getProgram();
 		SymbolTable symTable = program.getSymbolTable();
 
-		List<Symbol> symbols = new ArrayList<Symbol>();
+		List<Symbol> symbols = new ArrayList<>();
 		SymbolIterator symbolIterator = symTable.getSymbols(queryData.getQueryString());
 		while (symbolIterator.hasNext()) {
 			Symbol symbol = symbolIterator.next();

Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/navigation/GoToAddressLabelPluginTest.java

@@ -66,7 +66,7 @@ import ghidra.util.table.field.LabelTableColumn;
 import ghidra.util.task.TaskMonitor;
 import util.CollectionUtils;
 
-public class GoToPluginTest extends AbstractGhidraHeadedIntegrationTest {
+public class GoToAddressLabelPluginTest extends AbstractGhidraHeadedIntegrationTest {
 	private TestEnv env;
 	private PluginTool tool;
 	private AddressFactory addrFactory;