Converting libfoo.so for linux to freebsd
julian at elischer.org
Wed Aug 10 07:43:36 GMT 2005
M. Warner Losh wrote:
> In message: <20050809212708.GS94041 at cicely12.cicely.de>
> Bernd Walter <ticso at 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
couldn't you make a small stub library that supplies those and link with it
> 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.
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