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To: Peter Haight <peterh@prognet.com>
Cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: Static variables in shared libraries 
In-reply-to: Your message of "Tue, 25 Feb 1997 00:30:40 PST."
             <3.0.1.32.19970225003040.00ff58e4@prognet.com> 
Date: Tue, 25 Feb 1997 11:50:21 -0500
From: Bakul Shah <bakul@torrentnet.com>
Sender: owner-hackers@FreeBSD.ORG
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> I have a shared library which has the following definitions:
> 
> const char* test_3 = "hello";
> const char* test_4 = test_3;
> 
> If I dynamically load this shared library in my program and print the
> variables, I get:
> test_3 = "hello"
> test_4 = 0x0
> 
> What's going on?

May be shlib linking is broken?

> Additionaly, does anyone know a good source of detailed information on the
> implementation of shared libraries on various platforms?

Other than reading code and man pages, you may want to check out old
usenix conference proceedings.  Try www.usenix.org to look up which
proceedings (if you are a member you can pull off papers).  The UW
library may also have them.

-- bakul