diff --git a/cmds/lshal/TextTable.cpp b/cmds/lshal/TextTable.cpp
index a35917c..eca9061 100644
--- a/cmds/lshal/TextTable.cpp
+++ b/cmds/lshal/TextTable.cpp
@@ -53,5 +53,15 @@
     }
 }
 
+void TextTable::addAll(TextTable&& other) {
+    for (auto&& row : other.mTable) {
+        if (row.isRow()) {
+            computeWidth(row.fields());
+        }
+
+        mTable.emplace_back(std::move(row));
+    }
+}
+
 } // namespace lshal
 } // namespace android