[wasm] Store function names in the wasm object

src/wasm/wasm-function-name-table.h

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_WASM_FUNCTION_NAME_TABLE_H_
+#define V8_WASM_FUNCTION_NAME_TABLE_H_
+
+#include "src/handles.h"
+#include "src/objects.h"
+
+namespace v8 {
+namespace internal {
+namespace wasm {
+
+// Forward declarations for some WASM data structures.
+struct WasmModule;
+
+// Encode all function names of the WasmModule into one ByteArray.
+Handle<Object> BuildFunctionNamesTable(Isolate* isolate, WasmModule* module);
+
+// Extract the function name for the given func_index from the wasm module.
+// Returns undefined if the function index is invalid.
+Handle<Object> GetWasmFunctionNameFromTable(Handle<ByteArray> wasm_names_table,
+                                            uint32_t func_index);
+
+}  // namespace wasm
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_WASM_FUNCTION_NAME_TABLE_H_