From owner-freebsd-java@FreeBSD.ORG  Fri Oct  4 21:17:58 2013
Return-Path: <owner-freebsd-java@FreeBSD.ORG>
Delivered-To: java@FreeBSD.org
Received: from hammer.pct.niksun.com (freefall.freebsd.org
 [IPv6:2001:1900:2254:206c::16:87])
 by hub.freebsd.org (Postfix) with ESMTP id 1EC63AEC;
 Fri,  4 Oct 2013 21:17:58 +0000 (UTC)
 (envelope-from jkim@FreeBSD.org)
Message-ID: <524F2FD2.3020801@FreeBSD.org>
Date: Fri, 04 Oct 2013 17:14:58 -0400
From: Jung-uk Kim <jkim@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:24.0) Gecko/20100101 Thunderbird/24.0
MIME-Version: 1.0
To: Konstantin Belousov <kostikbel@gmail.com>, 
 Sevan / Venture37 <venture37@gmail.com>
Subject: Re: JNA broken with r251668 as libc.so cant be loaded
References: <524DFB7D.2000207@gmail.com> <20131004050824.GK41229@kib.kiev.ua>
 <524E934D.70303@gmail.com> <20131004152000.GS41229@kib.kiev.ua>
In-Reply-To: <20131004152000.GS41229@kib.kiev.ua>
X-Enigmail-Version: 1.5.2
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Cc: jlh@freebsd.org, java@FreeBSD.org
X-BeenThere: freebsd-java@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Porting Java to FreeBSD <freebsd-java.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-java>,
 <mailto:freebsd-java-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-java>
List-Post: <mailto:freebsd-java@freebsd.org>
List-Help: <mailto:freebsd-java-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-java>,
 <mailto:freebsd-java-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 04 Oct 2013 21:17:58 -0000

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 2013-10-04 11:20:00 -0400, Konstantin Belousov wrote:
> On Fri, Oct 04, 2013 at 02:07:09PM +0400, Sevan / Venture37 wrote:
>> On 04/10/2013 09:08, Konstantin Belousov wrote:
>>> Does the source contain some workaround for Linux, already ?
>>> Linux uses script for libc.so for very long time, and should
>>> have the same issue unless code explicitely dlopen()s libc.so.6
>>> or such.
>> 
>> 
>> No 
>> https://svn.java.net/svn/jna~svn/trunk/jnalib/test/com/sun/jna/LibraryLoadTest.java
>
>> 
> I do not know what should I see in the pointer you provided, and
> how it implies the answer 'No' to my question.
> 
> I just verified dlopen("libc.so") on some fresh Linux box, and the
> function returned expected error '/lib/libc.so: invalid ELF
> header'.

I haven't verified it but it seems to have special case for Linux.
Please see:

https://github.com/twall/jna/blob/master/src/com/sun/jna/NativeLibrary.java#L206
https://github.com/twall/jna/blob/master/src/com/sun/jna/NativeLibrary.java#L741
https://github.com/twall/jna/blob/master/src/com/sun/jna/NativeLibrary.java#L768

Jung-uk Kim
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.21 (FreeBSD)

iQEcBAEBAgAGBQJSTy/SAAoJEHyflib82/FGiw8H/35A1rnLOGkTWY/kE3C/qmnn
kkJnMHzKRlRr6ko44Y9TIjzxb20UDUR4QQZFZMqfnBbbaYgzuAdjgMCG1Q/XcHin
UX0jqBqgC/TgXH5CYfTRBvtnNTRYkVQ5SCJCAevr39MvVK6INMc+ogiox1viXwRX
CqoKvIarhRSXeYal7O0Tnv6StzlWLM4khmtt/Yc4+DXMnS+wDOH0o8Y+EcML1EQM
BwKwnvgPOLTZRKC8adT0Cf1WrWrgJQRAm76RS8UXlj4Bv0YW7qXxjPknAnI855a6
M33cKl7g01FX0QABV66lEwMdjj0oDIFu+z7fou8zvTY6RC+E1EsZcmfICNj4Axs=
=wc7o
-----END PGP SIGNATURE-----