Initialize ClassLinker from image

Change-Id: Ibaf47b4181f7c6603a8b37e2eba8fa6509c927ed
diff --git a/src/heap.h b/src/heap.h
index 0cf0b57..4d45366 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -47,6 +47,10 @@
     return spaces_;
   }
 
+  static Space* GetBootSpace() {
+    return boot_space_;
+  }
+
   static HeapBitmap* GetLiveBits() {
     return live_bitmap_;
   }
@@ -72,6 +76,9 @@
 
   static std::vector<Space*> spaces_;
 
+  // Space loaded from an image
+  static Space* boot_space_;
+
   // default Space for allocations
   static Space* alloc_space_;