[GN]: Support for loadable modules

tools/gn/target_generator.cc

Index: tools/gn/target_generator.cc
diff --git a/tools/gn/target_generator.cc b/tools/gn/target_generator.cc
index 366210c6de4e48f85576af5a9e2e87e5de96a4fb..dd83639f0afb26d4ca3021f661c605463178d581 100644
--- a/tools/gn/target_generator.cc
+++ b/tools/gn/target_generator.cc
@@ -100,6 +100,10 @@ void TargetGenerator::GenerateTarget(Scope* scope,
   } else if (output_type == functions::kGroup) {
     GroupTargetGenerator generator(target.get(), scope, function_call, err);
     generator.Run();
+  } else if (output_type == functions::kLoadableModule) {
+    BinaryTargetGenerator generator(target.get(), scope, function_call,
+                                    Target::LOADABLE_MODULE, err);
+    generator.Run();
   } else if (output_type == functions::kSharedLibrary) {
     BinaryTargetGenerator generator(target.get(), scope, function_call,
                                     Target::SHARED_LIBRARY, err);