diff --git a/runtime/image.h b/runtime/image.h
index 7418f66..b3f177b 100644
--- a/runtime/image.h
+++ b/runtime/image.h
@@ -93,10 +93,15 @@
         oat_data_begin_(0U),
         oat_data_end_(0U),
         oat_file_end_(0U),
+        boot_image_begin_(0U),
+        boot_image_size_(0U),
+        boot_oat_begin_(0U),
+        boot_oat_size_(0U),
         patch_delta_(0),
         image_roots_(0U),
         pointer_size_(0U),
         compile_pic_(0),
+        is_pic_(0),
         storage_mode_(kDefaultStorageMode),
         data_size_(0) {}
 
@@ -109,8 +114,13 @@
               uint32_t oat_data_begin,
               uint32_t oat_data_end,
               uint32_t oat_file_end,
+              uint32_t boot_image_begin,
+              uint32_t boot_image_size,
+              uint32_t boot_oat_begin,
+              uint32_t boot_oat_size,
               uint32_t pointer_size,
               bool compile_pic,
+              bool is_pic,
               StorageMode storage_mode,
               size_t data_size);
 
@@ -208,11 +218,33 @@
       SHARED_REQUIRES(Locks::mutator_lock_);
 
   void RelocateImage(off_t delta);
+  void RelocateImageMethods(off_t delta);
+  void RelocateImageObjects(off_t delta);
 
   bool CompilePic() const {
     return compile_pic_ != 0;
   }
 
+  bool IsPic() const {
+    return is_pic_ != 0;
+  }
+
+  uint32_t GetBootImageBegin() const {
+    return boot_image_begin_;
+  }
+
+  uint32_t GetBootImageSize() const {
+    return boot_image_size_;
+  }
+
+  uint32_t GetBootOatBegin() const {
+    return boot_oat_begin_;
+  }
+
+  uint32_t GetBootOatSize() const {
+    return boot_oat_size_;
+  }
+
   StorageMode GetStorageMode() const {
     return storage_mode_;
   }
@@ -221,6 +253,12 @@
     return data_size_;
   }
 
+  bool IsAppImage() const {
+    // App images currently require a boot image, if the size is non zero then it is an app image
+    // header.
+    return boot_image_size_ != 0u;
+  }
+
  private:
   static const uint8_t kImageMagic[4];
   static const uint8_t kImageVersion[4];
@@ -250,6 +288,16 @@
   // .so files. Used for positioning a following alloc spaces.
   uint32_t oat_file_end_;
 
+  // Boot image begin and end (app image headers only).
+  uint32_t boot_image_begin_;
+  uint32_t boot_image_size_;
+
+  // Boot oat begin and end (app image headers only).
+  uint32_t boot_oat_begin_;
+  uint32_t boot_oat_size_;
+
+  // TODO: We should probably insert a boot image checksum for app images.
+
   // The total delta that this image has been patched.
   int32_t patch_delta_;
 
@@ -262,10 +310,15 @@
   // Boolean (0 or 1) to denote if the image was compiled with --compile-pic option
   const uint32_t compile_pic_;
 
+  // Boolean (0 or 1) to denote if the image can be mapped at a random address, this only refers to
+  // the .art file. Currently, app oat files do not depend on their app image. There are no pointers
+  // from the app oat code to the app image.
+  const uint32_t is_pic_;
+
   // Image section sizes/offsets correspond to the uncompressed form.
   ImageSection sections_[kSectionCount];
 
-  // Image methods.
+  // Image methods, may be inside of the boot image for app images.
   uint64_t image_methods_[kImageMethodsCount];
 
   // Storage method for the image, the image may be compressed.