1 files changed, 12 insertions, 0 deletions
diff --git a/deps/v8/src/wasm/wasm-memory.h b/deps/v8/src/wasm/wasm-memory.h
index 5a919fe71c..5fb4554cc2 100644
--- a/deps/v8/src/wasm/wasm-memory.h
+++ b/deps/v8/src/wasm/wasm-memory.h
@@ -66,6 +66,18 @@ class WasmMemoryTracker {
     friend WasmMemoryTracker;
   };
 
+  // Allow tests to allocate a backing store the same way as we do it for
+  // WebAssembly memory. This is used in unit tests for trap handler to
+  // generate the same signals/exceptions for invalid memory accesses as
+  // we would get with WebAssembly memory.
+  V8_EXPORT_PRIVATE void* TryAllocateBackingStoreForTesting(
+      Heap* heap, size_t size, void** allocation_base,
+      size_t* allocation_length);
+
+  // Free memory allocated with TryAllocateBackingStoreForTesting.
+  V8_EXPORT_PRIVATE void FreeBackingStoreForTesting(base::AddressRegion memory,
+                                                    void* buffer_start);
+
   // Decreases the amount of reserved address space.
   void ReleaseReservation(size_t num_bytes);