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From: Ivana Vukotic <ivanatodvuk@gmail.com>
To: nicolas.ojeda.bar@lexifi.com, caml-list@inria.fr
Subject: Re: [Caml-list] OCaml and SGX
Date: Thu, 11 Oct 2018 13:51:48 +0200	[thread overview]
Message-ID: <CAE-ccOxG_XA7uXqq5=RtgY6-4vLqo+3W2X+2o7nqtXupoZmNFA@mail.gmail.com> (raw)
In-Reply-To: <CADK7aFNPm640fvH9CiE=fczqm-3i5FRsoqmAatoFA+LtohF6AA@mail.gmail.com>

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Dera Nicolas,

Thank you for your suggestion!

Actually I already posted the same question with code on the github:
https://github.com/intel/linux-sgx/issues/315


Best,
Ivana


On Thu, Oct 11, 2018 at 1:42 PM Nicolás Ojeda Bär <
nicolas.ojeda.bar@lexifi.com> wrote:

> Dear Ivana,
>
> You may get more people willing to help if you put up the simple
> example somewhere publicly accessible, such as github.
>
> Best wishes,
> Nicolás
> On Tue, Oct 9, 2018 at 6:23 PM Ivana Vukotic <ivanatodvuk@gmail.com>
> wrote:
> >
> > Hi,
> >
> > We are trying to run some OCaml code within an Intel SGX enclave.
> >
> > This OCaml code is called by a C wrapper using the method described
> > here:  https://caml.inria.fr/pub/docs/manual-ocaml/intfc.html
> >
> > Because Intel SGX doesn't support the entire standard C library, we had
> > to create ocalls for the functions that are used by ocamlrun but not
> > supported by SGX.  Using the functionalities provided by Intel SGX, we
> > managed to create an .so library containing our OCaml code along with
> > the C wrapper.  This .so library is what is meant to run in an SGX
> > enclave (we so far only implemented the ocalls that we needed, and not
> > all missing functionalities from ocamlrun).
> >
> > Our problem is now that when we call caml_startup from within our C
> > wrapper (in order to start the OCaml code), the code seem to simply call
> > 'exit' and stop there.  Does anyone know why this call to caml_startup
> > would call 'exit'?
> >
> > We managed to create a simple example, which I can forward to anyone
> interested
> > to take a look (unfortunately mailing list has a limited attachment and
> I can not
> >  send it).
> >
> > Please note that we use ocaml 4.06.1 and gcc 7.3.0
> >
> > Best,
> >
> > Ivana
>

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  parent reply	other threads:[~2018-10-11 11:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-09 16:23 Ivana Vukotic
     [not found] ` <CADK7aFNPm640fvH9CiE=fczqm-3i5FRsoqmAatoFA+LtohF6AA@mail.gmail.com>
2018-10-11 11:51   ` Ivana Vukotic [this message]
2018-10-11 11:59     ` Nicolás Ojeda Bär
2018-10-11 14:02       ` Ivana Vukotic

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