def determine_jit_name(coreclr_args):
    """ Determine the jit based on the os

    Args:
        coreclr_args (CoreclrArguments): parsed args
    
    Return:
        jit_name(str) : name of the jit for this os
    """

    if coreclr_args.host_os == "OSX":
        return "libclrjit.dylib"
    elif coreclr_args.host_os == "Linux":
        return "libclrjit.so"
    elif coreclr_args.host_os == "Windows_NT":
        return "clrjit.dll"
    else:
        raise RuntimeError("Unknown os.")