Re: Converting libfoo.so for linux to freebsd

From: Julian Elischer (julian_at_elischer.org)
Date: 08/10/05

  • Next message: Julien Gabel: "Re: Realtek RTL8169 on FreeBSD 5.4: no carrier." 
    Date: Wed, 10 Aug 2005 00:43:33 -0700
To: "M. Warner Losh" <imp@bsdimp.com>

    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"

    _______________________________________________
    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"

  • Next message: Julien Gabel: "Re: Realtek RTL8169 on FreeBSD 5.4: no carrier."

    Relevant Pages

    • Re: Kernel Debugging
      ... M. Warner Losh writes: ... we've had kgdb for a number of years longer than Linux. ... > Linus' strong resistance to it for years. ...
      (freebsd-hackers)
    • Re: Converting libfoo.so for linux to freebsd
      ... On Tue, 9 Aug 2005, M. Warner Losh wrote: ... The problem is that when you brandelf a .so file, it dosen't do anything, ... whatever uses it must be brandelf'd and compiled for linux... ... If you can compile whatever needs to use it as linux then brandelf it, ...
      (freebsd-hackers)
    • Re: Converting libfoo.so for linux to freebsd
      ... In the last episode, M. Warner Losh said: ... Is there any way one can take an arbitrary linux .so ... > which appears to have no dependencies to a FreeBSD .so? ... This includes struct FILE, ...
      (freebsd-hackers)
    • Re: Converting libfoo.so for linux to freebsd
      ... On Tue, 9 Aug 2005, M. Warner Losh wrote: ... Is there any way one can take an arbitrary linux .so ... > that can be fed into the linux toolchain to generate a new .so... ... To unsubscribe, ...
      (freebsd-hackers)