Wrap.h: Define wrap / unwrap function for ExecutionEngine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180112 91177308-0d34-0410-b5e6-96231b3b80d8
Write relocations in yaml2obj.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180115 91177308-0d34-0410-b5e6-96231b3b80d8