Fix for issue 6359 - Make snapshots platform independent.

vm/raw_object.h

 // Copyright (c) 2012, 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_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 415 matching lines @@
   RawObject* factory_class_;  // UnresolvedClass (until finalization) or Class.
   RawFunction* signature_function_;  // Associated function for signature class.
   RawArray* constants_;  // Canonicalized values of this class.
   RawArray* canonical_types_;  // Canonicalized types of this class.
   RawCode* allocation_stub_;  // Stub code for allocation of instances.
   RawObject** to() {
     return reinterpret_cast<RawObject**>(&ptr()->allocation_stub_);
   }
 
   cpp_vtable handle_vtable_;
-  intptr_t instance_size_;  // Size if fixed length or 0 if variable length.
+  intptr_t instance_size_in_words_;  // Size if fixed len or 0 if variable len.
   intptr_t id_;  // Class Id, also index in the class table.
-  intptr_t type_arguments_field_offset_;  // Offset of the type arguments field.
-  intptr_t next_field_offset_;  // Offset of the next instance field.
+  intptr_t type_arguments_field_offset_in_words_;  // Offset of type args fld.
+  intptr_t next_field_offset_in_words_;  // Offset of the next instance field.
   intptr_t num_native_fields_;  // Number of native fields in class.
   intptr_t token_pos_;
   uint8_t state_bits_;  // state, is_const, is_interface.
 
   friend class Instance;
   friend class Object;
   friend class RawInstance;
   friend class RawInstructions;
   friend class SnapshotReader;
 };
@@ skipping 147 matching lines @@
 };
 
 
 class RawField : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Field);
 
   RawObject** from() { return reinterpret_cast<RawObject**>(&ptr()->name_); }
   RawString* name_;
   RawClass* owner_;
   RawAbstractType* type_;
-  RawInstance* value_;  // Offset for instance and value for static fields.
+  RawInstance* value_;  // Offset in words for instance and value for static.
   RawObject** to() { return reinterpret_cast<RawObject**>(&ptr()->value_); }
 
   intptr_t token_pos_;
   uint8_t kind_bits_;  // static, final, const, has initializer.
 };
 
 
 class RawLiteralToken : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(LiteralToken);
 
@@ skipping 1019 matching lines @@
          kExternalUint64ArrayCid == kExternalInt8ArrayCid + 7 &&
          kExternalFloat32ArrayCid == kExternalInt8ArrayCid + 8 &&
          kExternalFloat64ArrayCid == kExternalInt8ArrayCid + 9 &&
          kStacktraceCid == kExternalInt8ArrayCid + 10);
   return (index >= kExternalInt8ArrayCid && index <= kExternalFloat64ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_