diff --git a/src/macro-assembler.h b/src/macro-assembler.h
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+++ b/src/macro-assembler.h
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+// Copyright 2006-2008 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_MACRO_ASSEMBLER_H_
+#define V8_MACRO_ASSEMBLER_H_
+
+
+// Helper types to make boolean flag easier to read at call-site.
+enum InvokeFlag {
+  CALL_FUNCTION,
+  JUMP_FUNCTION
+};
+
+
+enum CodeLocation {
+  IN_JAVASCRIPT,
+  IN_JS_ENTRY,
+  IN_C_ENTRY
+};
+
+
+enum HandlerType {
+  TRY_CATCH_HANDLER,
+  TRY_FINALLY_HANDLER,
+  JS_ENTRY_HANDLER
+};
+
+
+// Flags used for the AllocateInNewSpace functions.
+enum AllocationFlags {
+  // No special flags.
+  NO_ALLOCATION_FLAGS = 0,
+  // Return the pointer to the allocated already tagged as a heap object.
+  TAG_OBJECT = 1 << 0,
+  // The content of the result register already contains the allocation top in
+  // new space.
+  RESULT_CONTAINS_TOP = 1 << 1
+};
+
+
+#if V8_TARGET_ARCH_IA32
+#include "assembler.h"
+#include "ia32/assembler-ia32.h"
+#include "ia32/assembler-ia32-inl.h"
+#include "code.h"  // must be after assembler_*.h
+#include "ia32/macro-assembler-ia32.h"
+#elif V8_TARGET_ARCH_X64
+#include "assembler.h"
+#include "x64/assembler-x64.h"
+#include "x64/assembler-x64-inl.h"
+#include "code.h"  // must be after assembler_*.h
+#include "x64/macro-assembler-x64.h"
+#elif V8_TARGET_ARCH_ARM
+#include "arm/constants-arm.h"
+#include "assembler.h"
+#include "arm/assembler-arm.h"
+#include "arm/assembler-arm-inl.h"
+#include "code.h"  // must be after assembler_*.h
+#include "arm/macro-assembler-arm.h"
+#else
+#error Unsupported target architecture.
+#endif
+
+#endif  // V8_MACRO_ASSEMBLER_H_