From: Sven Luther <sven.luther@wanadoo.fr>
To: Xavier Leroy <Xavier.Leroy@inria.fr>
Cc: skaller <skaller@users.sourceforge.net>, caml-list@inria.fr
Subject: Re: [Caml-list] PIC
Date: Wed, 28 Dec 2005 10:14:37 +0100 [thread overview]
Message-ID: <20051228091437.GA12864@localhost.localdomain> (raw)
In-Reply-To: <43B1116C.5060407@inria.fr>
On Tue, Dec 27, 2005 at 11:03:24AM +0100, Xavier Leroy wrote:
> The reason it works particularly well for x86 is that dynamic loaders
> for x86 (both under Unix/Linux and Windows) can relocate arbitrary
> code, not necessarily PIC code. This is unfortunately not the case
> for all target architectures. In particular, dynamic loaders for
> x86_64 (AMD64) are much less forgiving. The -fPIC option to ocamlopt
> you mention was added to the AMD64 code generator in an attempt to
> generate "more position-independent" code. However, it does not quite
> work yet. A difficulty is the paucity of documentation on what,
> exactly, the Linux AMD64 dynamic loader can relocate.
What is the situation for other architectures, in particular, i would be
interested in the powerpc case.
Friendly,
Sven Luther
next prev parent reply other threads:[~2005-12-28 9:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-25 2:07 PIC skaller
2005-12-27 10:03 ` [Caml-list] PIC Xavier Leroy
2005-12-27 12:23 ` skaller
2005-12-28 9:14 ` Sven Luther [this message]
2005-12-31 21:31 ` David Fox
2006-01-01 10:49 ` Ker Lutyn
2006-01-03 23:27 ` Nathaniel Gray
2006-01-04 2:38 ` skaller
2006-01-04 4:54 ` Nathaniel Gray
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