More precompiled snapshotting.

runtime/vm/stub_code.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_STUB_CODE_H_
 #define VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
 namespace dart {
 
 // Forward declarations.
 class Code;
 class Isolate;
 class ObjectPointerVisitor;
 class RawCode;
+class SnapshotReader;
+class SnapshotWriter;
 
 
 // List of stubs created in the VM isolate, these stubs are shared by different
 // isolates running in this dart process.
 #define VM_STUB_CODE_LIST(V)                                                   \
   V(GetStackPointer)                                                           \
   V(JumpToExceptionHandler)                                                    \
   V(UpdateStoreBuffer)                                                         \
   V(PrintStopMessage)                                                          \
   V(CallToRuntime)                                                             \
@@ skipping 63 matching lines @@
 };
 
 
 // class StubCode is used to maintain the lifecycle of stubs.
 class StubCode : public AllStatic {
  public:
   // Generate all stubs which are shared across all isolates, this is done
   // only once and the stub code resides in the vm_isolate heap.
   static void InitOnce();
 
+  static void ReadFrom(SnapshotReader* reader);
+  static void WriteTo(SnapshotWriter* writer);
+
   // Generate all stubs which are generated on a per isolate basis as they
   // have embedded objects which are isolate specific.
   static void Init(Isolate* isolate);
 
   static void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
   // Check if specified pc is in the dart invocation stub used for
   // transitioning into dart code.
   static bool InInvocationStub(uword pc);
 
@@ skipping 60 matching lines @@
       RangeCollectionMode range_collection_mode,
       bool optimized = false);
   static void GenerateUsageCounterIncrement(Assembler* assembler,
                                             Register temp_reg);
   static void GenerateOptimizedUsageCounterIncrement(Assembler* assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_STUB_CODE_H_