src: snapshot loaders

Author: joyeecheung

src/node_main_instance.cc

@@ -6,6 +6,7 @@
 #include "node_external_reference.h"
 #include "node_internals.h"
 #include "node_main_instance.h"
+#include "node_native_module_env.h"
 #include "node_options-inl.h"
 #include "node_process.h"
 #include "node_v8_platform-inl.h"
@@ -56,6 +57,10 @@ const std::vector<intptr_t>& NodeMainInstance::CollectExternalReferences() {
   registry_.reset(new ExternalReferenceRegistry());
 
   registry_->Register(node::RawDebug);
+  registry_->Register(node::binding::GetLinkedBinding);
+  registry_->Register(node::binding::GetInternalBinding);
+  node::native_module::NativeModuleEnv::RegisterExternalReferences(
+      registry_.get());
   // TODO(joyeecheung): collect more external references here.
   return registry_->external_references();
 }
@@ -286,10 +291,17 @@ NodeMainInstance::CreateMainEnvironment(int* exit_code,
   env->InitializeInspector({});
 #endif
 
-  if (env->RunBootstrapping().IsEmpty()) {
+  if (!deserialize_mode_ && env->RunBootstrapping().IsEmpty()) {
     return nullptr;
   }
 
+  if (deserialize_mode_ && env->BootstrapNode().IsEmpty()) {
+    return nullptr;
+  }
+
+  CHECK(env->req_wrap_queue()->IsEmpty());
+  CHECK(env->handle_wrap_queue()->IsEmpty());
+  env->set_has_run_bootstrapping_code(true);
   return env;
 }
 

src/node_native_module_env.cc

@@ -1,5 +1,6 @@
 #include "node_native_module_env.h"
 #include "env-inl.h"
+#include "node_external_reference.h"
 
 namespace node {
 namespace native_module {
@@ -221,6 +222,17 @@ void NativeModuleEnv::Initialize(Local<Object> target,
   target->SetIntegrityLevel(context, IntegrityLevel::kFrozen).FromJust();
 }
 
+void NativeModuleEnv::RegisterExternalReferences(
+    ExternalReferenceRegistry* registry) {
+  registry->Register(ConfigStringGetter);
+  registry->Register(ModuleIdsGetter);
+  registry->Register(ModuleIdsGetter);
+  registry->Register(GetModuleCategories);
+  registry->Register(GetCacheUsage);
+  registry->Register(CompileFunction);
+  registry->Register(HasCachedBuiltins);
+}
+
 }  // namespace native_module
 }  // namespace node
 

src/node_native_module_env.h

@@ -7,13 +7,15 @@
 
 namespace node {
 class Environment;
+class ExternalReferenceRegistry;
 
 namespace native_module {
 
 extern const bool has_code_cache;
 
 class NativeModuleEnv {
  public:
+  static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
   static void Initialize(v8::Local<v8::Object> target,
                          v8::Local<v8::Value> unused,
                          v8::Local<v8::Context> context,

tools/snapshot/snapshot_builder.cc

@@ -157,6 +157,7 @@ std::string SnapshotBuilder::Generate(
         env->PrintAllBaseObjects();
         printf("Environment = %p\n", env);
       }
+      env->BootstrapInternalLoaders().ToLocalChecked();
       env_info = env->Serialize(&creator);
       size_t index = creator.AddContext(
           context, {SerializeNodeContextInternalFields, env});
@@ -168,7 +169,7 @@ std::string SnapshotBuilder::Generate(
     // Must be out of HandleScope
     StartupData blob =
         creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kClear);
-    CHECK(blob.CanBeRehashed());
+    // CHECK(blob.CanBeRehashed());
     // Must be done while the snapshot creator isolate is entered i.e. the
     // creator is still alive.
     env->set_stopping(true);