[wasm] Add support for compiling WASM_INTERPRETER_ENTRY stubs

src/runtime/runtime-wasm.cc

Index: src/runtime/runtime-wasm.cc
diff --git a/src/runtime/runtime-wasm.cc b/src/runtime/runtime-wasm.cc
index 46782cf575c1971bda284c87771f0a2017029948..237235ef7af5647efb1e845751a9f1d7866bacd0 100644
--- a/src/runtime/runtime-wasm.cc
+++ b/src/runtime/runtime-wasm.cc
@@ -152,5 +152,34 @@ RUNTIME_FUNCTION(Runtime_WasmGetCaughtExceptionValue) {
   return exception;
 }
 
+RUNTIME_FUNCTION(Runtime_GetWasmInterpreterBuffer) {
+  DCHECK(args.length() == 2);
+  HandleScope scope(isolate);
+  CONVERT_NUMBER_CHECKED(int32_t, func_index, Int32, args[0]);
+  CONVERT_ARG_HANDLE_CHECKED(JSObject, instance_obj, 1);
+  CHECK(WasmInstanceObject::IsWasmInstanceObject(*instance_obj));
+
+  Handle<WasmInstanceObject> instance =
+      Handle<WasmInstanceObject>::cast(instance_obj);
+  Handle<WasmDebugInfo> debug_info =
+      WasmInstanceObject::GetOrCreateDebugInfo(instance);
+  return WasmDebugInfo::GetInterpreterArgBuffer(debug_info, func_index);
+}
+
+RUNTIME_FUNCTION(Runtime_WasmRunInterpreter) {
+  DCHECK(args.length() == 2);
+  HandleScope scope(isolate);
+  CONVERT_NUMBER_CHECKED(int32_t, func_index, Int32, args[0]);
+  CONVERT_ARG_HANDLE_CHECKED(JSObject, instance_obj, 1);
+  CHECK(WasmInstanceObject::IsWasmInstanceObject(*instance_obj));
+
+  Handle<WasmInstanceObject> instance =
+      Handle<WasmInstanceObject>::cast(instance_obj);
+  Handle<WasmDebugInfo> debug_info =
+      WasmInstanceObject::GetOrCreateDebugInfo(instance);
+  WasmDebugInfo::RunInterpreter(debug_info, func_index);
+  return isolate->heap()->undefined_value();
+}
+
 }  // namespace internal
 }  // namespace v8