THREADED_CODE: Why CODE32 defined on x86-64? - fa.caml

Message from discussion THREADED_CODE: Why CODE32 defined on x86-64?

skaller

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More options Nov 16 2005, 2:01 pm

Newsgroups: fa.caml

From: skaller <skal...@users.sourceforge.net>

Date: Wed, 16 Nov 2005 19:01:14 UTC

Local: Wed, Nov 16 2005 2:01 pm

Subject: Re: [Caml-list] THREADED_CODE: Why CODE32 defined on x86-64?

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On Wed, 2005-11-16 at 16:21 +0100, Xavier Leroy wrote:
> I would have expected the dynamic loader to implement the small model
> like the static linker does, but from what you say it's not the case.

The modelling constraints only apply to a statically
linked image. The reason is that the constraints allow
offsets for various instructions to 'fit' in the opcode.

Dynamically loaded *shared* libraries are accessed
indirectly via tables .. so it doesn't matter where
they're loaded.

--
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net

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