From: Xavier Leroy <Xavier.Leroy@inria.fr>
To: Markus Mottl <mottl@miss.wu-wien.ac.at>, OCAML <caml-list@inria.fr>
Subject: Re: ocamldebug must not be stripped!
Date: Thu, 25 Jun 1998 11:43:09 +0200 [thread overview]
Message-ID: <19980625114309.54105@pauillac.inria.fr> (raw)
In-Reply-To: <199806220948.LAA28374@miss.wu-wien.ac.at>; from Markus Mottl on Mon, Jun 22, 1998 at 11:48:44AM +0100
> I have just found out that "ocamldebug" itself must not be stripped in
> order to work (at least under i686 - Linux 2.0.30 and Alpha - Digital
> Unix 4.0d). I didn't find this anywhere in the documentation.
> Does "ocamldebug" really need its own debug information or is this a bug?
> It will probably need it in any case... ;-)
>
> Do the other programs need their debug information? Until now I have
> not encountered any problems, but who knows...
All executables generated by "ocamlc -custom" must not be stripped.
The reason is that they are composed of a C executable (the custom
runtime system) concatenated with the OCaml bytecode for the program.
The C executable looks at "itself" (the file it comes from) to load
the bytecode.
"strip" on most Unix machines just discards the C debugging
information as well as everything that follows it, thus discarding the
bytecode as well.
ocamldebug is just an instance of the general case, since it is
produced by "ocamlc -custom".
- Xavier Leroy
next prev parent reply other threads:[~1998-06-25 23:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-06-22 10:48 Markus Mottl
1998-06-25 9:43 ` Xavier Leroy [this message]
[not found] <13711.22440.102506.717388@pc84.lri.fr>
1998-06-24 16:49 ` Markus Mottl
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