Move C++ code out of the C headers and into either C++ headers

or the C++ files themselves. This enables people to use
just a C compiler to interoperate with LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180063 91177308-0d34-0410-b5e6-96231b3b80d8

lib/ExecutionEngine/ExecutionEngineBindings.cpp

@@ -16,10 +16,32 @@
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/GenericValue.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Wrap.h"
 #include <cstring>
 
 using namespace llvm;
 
+// Wrapping the C bindings types.
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(GenericValue,       LLVMGenericValueRef  )
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ExecutionEngine,    LLVMExecutionEngineRef)
+
+inline DataLayout *unwrap(LLVMTargetDataRef P) {
+  return reinterpret_cast<DataLayout*>(P);
+}
+  
+inline LLVMTargetDataRef wrap(const DataLayout *P) {
+  return reinterpret_cast<LLVMTargetDataRef>(const_cast<DataLayout*>(P));
+}
+
+inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) {
+  return reinterpret_cast<TargetLibraryInfo*>(P);
+}
+
+inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) {
+  TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P);
+  return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
+}
+
 /*===-- Operations on generic values --------------------------------------===*/
 
 LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,