Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 10 Aug 2005 00:43:33 -0700
From:      Julian Elischer <julian@elischer.org>
To:        "M. Warner Losh" <imp@bsdimp.com>
Cc:        hackers@freebsd.org, ticso@cicely.de
Subject:   Re: Converting libfoo.so for linux to freebsd
Message-ID:  <42F9B025.5070308@elischer.org>
In-Reply-To: <20050809.164636.112623550.imp@bsdimp.com>
References:  <20050809.133734.08360256.imp@bsdimp.com>	<20050809212708.GS94041@cicely12.cicely.de> <20050809.164636.112623550.imp@bsdimp.com>

next in thread | previous in thread | raw e-mail | index | archive | help
M. Warner Losh wrote:
> In message: <20050809212708.GS94041@cicely12.cicely.de>
>             Bernd Walter <ticso@cicely12.cicely.de> writes:
> : On Tue, Aug 09, 2005 at 01:37:34PM -0600, M. Warner Losh wrote:
> : > I have recently purcahsed a device that comes with a .so for linux,
> : > but no sources.  Is there any way one can take an arbitrary linux .so
> : > which appears to have no dependencies to a FreeBSD .so?  The binary
> : > code is about 20k or so.
> : 
> : Isn't this just brandelf'ing to FreeBSD-i386?
> : Asuming that the lib really has no dependencies to linux specific
> : device/kernel features or linux specific libs.
> 
> I tried brandelfing, but that didn't work.  There's some weird symbols
> in there:
> 
> 00000000      DF *UND*  00000023  GLIBC_2.0   fprintf
> 00000000      DF *UND*  000000f8  GLIBC_2.0   fflush
> 00000000      DF *UND*  000001b4  GLIBC_2.0   malloc
> 00000000      DF *UND*  00000058  GLIBC_2.0   memmove
> 00000000      DO *UND*  00000004  GLIBC_2.0   stderr
> 00000000      DF *UND*  0000020d  GLIBC_2.0   abort
> 00000000      DF *UND*  00000027  GLIBC_2.0   memcpy
> 00000000  w   DF *UND*  000000ac  GLIBC_2.1.3 __cxa_finalize
> 00000000      DF *UND*  00000043  GLIBC_2.0   memset
> 
> So it looks like I'm close...  objcopy -R kept the GLIBC_* references
> in place, alas, so that didn't work, as suggested elsewhere in this
> thread.

couldn't you make a small stub library that supplies those and link with it
statically?

> 
> The above list is small, but has hree bad entries: fprintf, fflush and
> stderr.  So that may present a problem for me if these functions are
> ever called.
> 
> Warner
> 
> _______________________________________________
> freebsd-hackers@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?42F9B025.5070308>