Re: -z preinitarray

From: Casper H.S. Dik (Casper.Dik_at_Sun.COM)
Date: 04/30/05 

Date: 30 Apr 2005 08:40:05 GMT

"Dan Koren" <dankoren@yahoo.com> writes:

>Does this imply, in effect, that there is no way for an
>interposer shared library (e.g. a memory allocator) to
>arrange to always initialize itself first, before any
>other library or code in the main executable, and
>regardless of how the main executable may have
>been built?

Not that reliably; but there are two "ld" flags
an interposer should use:

        -z initfirst -z interpose

-z initfirst has the effect you want (in the absence
of other such objects) and -z interpose is an absolute
requirement for interposers.

Casper 

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Statements on Sun products included here are not gospel and may
be fiction rather than truth.
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