caml-list - the Caml user's mailing list
 help / color / mirror / Atom feed
From: Richard Jones <rich@annexia.org>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Dynlink problems
Date: Tue, 29 Jul 2003 17:28:43 +0100	[thread overview]
Message-ID: <20030729162843.GB32764@redhat.com> (raw)
In-Reply-To: <20030729154345.GA32764@redhat.com>

Further investigations ... I'm calling caml_startup which appears to
call this function:

CAMLexport void caml_startup_code(code_t code, asize_t code_size,
                                  char *data, char **argv)
{
  // ...
  sys_init("", argv);
  // ...
}

The first argument to sys_init causes Sys.executable_name to be set to
"", which means that Dynlink.init fails here:

(* Initialize the linker for toplevel use *)

let init_toplevel () =
  (* Read back the known global symbols and the known primitives
     from the executable file *)
  let ic = open_in_bin Sys.executable_name in        <-- failure happens here

This looks like a bug in the case where we need to use Dynlink from a
shared library (.so file).

Note that the code expects to find a bytecode executable, not a native
binary or .so file, but of course I'm trying to run all of this from a
shared library embedded in a C program. There's simply no bytecode
executable around to look at.

What should I do?

Rich.

-- 
Richard Jones. http://www.annexia.org/ http://freshmeat.net/users/rwmj
Merjis Ltd. http://www.merjis.com/ - all your business data are belong to you.
MAKE+ is a sane replacement for GNU autoconf/automake. One script compiles,
RPMs, pkgs etc. Linux, BSD, Solaris. http://www.annexia.org/freeware/makeplus/

-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners


  reply	other threads:[~2003-07-29 16:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-28  9:49 Richard Jones
2003-07-28 10:07 ` Jacques Garrigue
2003-07-28 10:22 ` Nicolas Cannasse
2003-07-28 17:41   ` Richard Jones
2003-07-29  8:48     ` Jacques Garrigue
2003-07-29 15:43       ` Richard Jones
2003-07-29 16:28         ` Richard Jones [this message]
2003-07-31 17:31           ` Richard Jones

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20030729162843.GB32764@redhat.com \
    --to=rich@annexia.org \
    --cc=caml-list@inria.fr \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).