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wasmx · Oct 21, 2020 · 45c070b · 45c070b
1 parent 51d45da
commit 45c070b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/fizzy/instantiate.hpp b/lib/fizzy/instantiate.hpp
@@ -28,10 +28,14 @@ struct ExternalFunction
     FuncType type;
 };
 
+// Table element, which references a function in any instance.
 struct TableElement
 {
     Instance* instance;
     FuncIdx func_idx;
+    // This pointer is empty most of the time and is used only to keep instance alive in one edge
+    // case, when start function traps, but instantiate has already modified some elements of a
+    // shared (imported) table.
     std::shared_ptr<Instance> shared_instance;
 };