Introduce architecture specific headers describing Dart stack frames.

runtime/vm/stack_frame.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_STACK_FRAME_H_
 #define VM_STACK_FRAME_H_
 
 #include "vm/allocation.h"
 #include "vm/object.h"
 #include "vm/stub_code.h"
 
+#if defined(TARGET_ARCH_IA32)
+#include "vm/stack_frame_ia32.h"
+#elif defined(TARGET_ARCH_X64)
+#include "vm/stack_frame_x64.h"
+#elif defined(TARGET_ARCH_ARM)
+#include "vm/stack_frame_arm.h"
+#elif defined(TARGET_ARCH_MIPS)
+#include "vm/stack_frame_mips.h"
+#else
+#error Unknown architecture.
+#endif
+
 namespace dart {
 
 // Forward declarations.
 class ObjectPointerVisitor;
 class RawContext;
 
 
 // Generic stack frame.
 class StackFrame : public ValueObject {
  public:
@@ skipping 243 matching lines @@
   uword pc_;
   GrowableArray<DeoptInstr*> deopt_instructions_;
   Array& object_table_;
 
   DISALLOW_COPY_AND_ASSIGN(InlinedFunctionsIterator);
 };
 
 }  // namespace dart
 
 #endif  // VM_STACK_FRAME_H_
+