[wasm] Store function names in the wasm object

src/wasm/wasm-module.h

Index: src/wasm/wasm-module.h
diff --git a/src/wasm/wasm-module.h b/src/wasm/wasm-module.h
index 635c76322f01a657e4d3d9cfa921c97f71672129..a53f86dc9913f7ce594a124d9d99a6bcf1963611 100644
--- a/src/wasm/wasm-module.h
+++ b/src/wasm/wasm-module.h
@@ -195,6 +195,11 @@ struct WasmModule {
             static_cast<int>(length)};
   }
 
+  // Get a string stored in the module bytes representing a function name.
+  WasmName GetName(WasmFunction* function) const {
+    return GetName(function->name_offset, function->name_length);
+  }
+
   // Get a string stored in the module bytes representing a name.
   WasmName GetNameOrNull(uint32_t offset, uint32_t length) const {
     if (length == 0) return {NULL, 0};  // no name.
@@ -204,6 +209,11 @@ struct WasmModule {
             static_cast<int>(length)};
   }
 
+  // Get a string stored in the module bytes representing a function name.
+  WasmName GetNameOrNull(WasmFunction* function) const {
+    return GetNameOrNull(function->name_offset, function->name_length);
+  }
+
   // Checks the given offset range is contained within the module bytes.
   bool BoundsCheck(uint32_t start, uint32_t end) const {
     size_t size = module_end - module_start;
@@ -321,6 +331,11 @@ int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
 // given decoded module.
 int32_t CompileAndRunWasmModule(Isolate* isolate, WasmModule* module);
 
+// Extract a function name from the given wasm object.
+// Returns undefined if the function is unnamed or the function index is
+// invalid.
+Handle<Object> GetWasmFunctionName(Handle<JSObject> wasm, uint32_t func_index);
+
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8