More precompiled snapshotting.

runtime/vm/stub_code.cc

Index: runtime/vm/stub_code.cc
diff --git a/runtime/vm/stub_code.cc b/runtime/vm/stub_code.cc
index b073e036e817c6d67e1067b79080332b02b9dd06..65a4966f2e2f149b19b099afb2770eed18d891d4 100644
--- a/runtime/vm/stub_code.cc
+++ b/runtime/vm/stub_code.cc
@@ -10,6 +10,7 @@
 #include "vm/disassembler.h"
 #include "vm/flags.h"
 #include "vm/object_store.h"
+#include "vm/snapshot.h"
 #include "vm/virtual_memory.h"
 #include "vm/visitor.h"
 
@@ -53,6 +54,24 @@ void StubCode::InitOnce() {
 #undef STUB_CODE_GENERATE
 
 
+void StubCode::ReadFrom(SnapshotReader* reader) {
+#define READ_STUB(name)                                                        \
+  *(reader->CodeHandle()) ^= reader->ReadObject();                             \
+  name##_entry_ = new StubEntry(*(reader->CodeHandle()));
+  VM_STUB_CODE_LIST(READ_STUB);
+#undef READ_STUB
+}
+
+void StubCode::WriteTo(SnapshotWriter* writer) {
+  // TODO(rmacnak): Consider writing only the instructions to avoid
+  // vm_isolate_is_symbolic.
+#define WRITE_STUB(name)                                                       \
+  writer->WriteObject(StubCode::name##_entry()->code());
+  VM_STUB_CODE_LIST(WRITE_STUB);
+#undef WRITE_STUB
+}
+
+
 void StubCode::Init(Isolate* isolate) { }