Enable arm error handling abi

Author: ILyoan

src/rustllvm/RustWrapper.cpp

@@ -27,6 +27,7 @@
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/Assembly/Parser.h"
 #include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/Timer.h"
 #include "llvm/Support/raw_ostream.h"
@@ -428,6 +429,10 @@ LLVMRustWriteOutputFile(LLVMPassManagerRef PMR,
 
   LLVMRustInitializeTargets();
 
+  int argc = 2;
+  const char* argv[] = {"rustc", "-arm-enable-ehabi"};
+  cl::ParseCommandLineOptions(argc, argv);
+
   TargetOptions Options;
   Options.NoFramePointerElim = true;
   Options.EnableSegmentedStacks = EnableSegmentedStacks;