First step in allocating objects in generated code on ARM

src/objects.h

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2873 matching lines @@
   static const int kInstanceAttributesOffset = kInstanceSizesOffset + kIntSize;
   static const int kPrototypeOffset = kInstanceAttributesOffset + kIntSize;
   static const int kConstructorOffset = kPrototypeOffset + kPointerSize;
   static const int kInstanceDescriptorsOffset =
       kConstructorOffset + kPointerSize;
   static const int kCodeCacheOffset = kInstanceDescriptorsOffset + kPointerSize;
   static const int kSize = kCodeCacheOffset + kPointerSize;
 
   // Byte offsets within kInstanceSizesOffset.
   static const int kInstanceSizeOffset = kInstanceSizesOffset + 0;
-  static const int kInObjectPropertiesOffset = kInstanceSizesOffset + 1;
-  static const int kPreAllocatedPropertyFieldsOffset = kInstanceSizesOffset + 2;
+  static const int kInObjectPropertiesByte = 1;
+  static const int kInObjectPropertiesOffset =
+      kInstanceSizesOffset + kInObjectPropertiesByte;
+  static const int kPreAllocatedPropertyFieldsByte = 2;
+  static const int kPreAllocatedPropertyFieldsOffset =
+      kInstanceSizesOffset + kPreAllocatedPropertyFieldsByte;
   // The byte at position 3 is not in use at the moment.
 
   // Byte offsets within kInstanceAttributesOffset attributes.
   static const int kInstanceTypeOffset = kInstanceAttributesOffset + 0;
   static const int kUnusedPropertyFieldsOffset = kInstanceAttributesOffset + 1;
   static const int kBitFieldOffset = kInstanceAttributesOffset + 2;
   static const int kBitField2Offset = kInstanceAttributesOffset + 3;
 
   STATIC_CHECK(kInstanceTypeOffset == Internals::kMapInstanceTypeOffset);
 
@@ skipping 1947 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_