binary tracing

[guij@linux.ibm.com]

> The attached tarball contains a patch to systemtap - since it doesn't
> use bin_write(), it doesn't include bin_write.c, and it doesn't
> actually make any changes to the runtime other than to comment out a
> vlog print that was getting in the way of parsing the data in stpd.
>
You mentioned to let the translator generate the corresponding tracing
code and not to use bin_write(). Are you considering to totally remove
bin_write() interface from runtime? or keep it but add the ability to
do binary tracing at script level?