Change BKPT and UDF encodings on ARM.

src/include/nacl_macros.h

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 /*
  * NaCl Safety Macro Definitions
  */
 #ifndef NATIVE_CLIENT_SRC_INCLUDE_NACL_MACROS_H_
 #define NATIVE_CLIENT_SRC_INCLUDE_NACL_MACROS_H_ 1
 
 #include <stdio.h>
 #include <stdlib.h>
 
+#define NACL_TO_STRING_INTERNAL(v) #v
+#define NACL_TO_STRING(v) NACL_TO_STRING_INTERNAL(v)
+
 /*****************************************************************************
  * Safety macros                                                             *
  *****************************************************************************/
 
 #define NACL_ARRAY_SIZE_UNSAFE(arr) ((sizeof arr)/sizeof arr[0])
 
 /*
  * ASSERT_IS_ARRAY(arr) generates a somewhat opaque compile-time
  * error if arr is a non-array pointer.  This protects against
  * situations where one writes code like:
@@ skipping 331 matching lines @@
   NACL_ASSERT_SAME_SIZE(Dest, Source);
 
   Dest dest;
   memcpy(&dest, &source, sizeof(dest));
   return dest;
 }
 
 #endif  /* __cplusplus */
 
 #endif  /* NATIVE_CLIENT_SRC_INCLUDE_NACL_MACROS_H_ */