Use PNaCl's _Unwind_PNaClSetResult functions for arm-nacl-clang

src/cxa_personality.cpp

 //===------------------------- cxa_exception.cpp --------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is dual licensed under the MIT and the University of Illinois Open
 // Source Licenses. See LICENSE.TXT for details.
 //
 //  
 //  This file implements the "Exception Handling APIs"
 //  http://mentorembedded.github.io/cxx-abi/abi-eh.html
@@ skipping 494 matching lines @@
 };
 
 }  // unnamed namespace
 
 static
 void
 set_registers(_Unwind_Exception* unwind_exception, _Unwind_Context* context,
               const scan_results& results)
 {
     // @LOCALMOD-START
-#if defined(__pnacl__)
+#if defined(__pnacl__) || defined(__arm__)
     _Unwind_PNaClSetResult0(
         context, reinterpret_cast<uintptr_t>(unwind_exception));
     _Unwind_PNaClSetResult1(
         context, static_cast<uintptr_t>(results.ttypeIndex));
 #else
     _Unwind_SetGR(context, __builtin_eh_return_data_regno(0),
                                  reinterpret_cast<uintptr_t>(unwind_exception));
     _Unwind_SetGR(context, __builtin_eh_return_data_regno(1),
                                     static_cast<uintptr_t>(results.ttypeIndex));
 #endif
@@ skipping 778 matching lines @@
                 throw be;
             }
         }
     }
     std::__terminate(t_handler);
 }
 
 }  // extern "C"
 
 }  // __cxxabiv1