What is needed to support uclinux shared libraries on MMU-lessARM?

[Bernardo Innocenti]

themadrasi wrote:
> <snip>
> 
>> binfmt_flat.c does some special things for libraries, but
>> there's nothing about lib_main or passing something in D5.
>> I've grepped the kernel looking for the place where D5 is
>> initialized, but I couldn't find it.
>>
>> There's no ld.so in uClinux (at least, not for uClibc),
>> so I'm completely lost :-)
> 
> There is an ldso in uClibc . Maybe not for MMU less architectures :-) .

Yes, it's only used with MMU-enabled Linux kernels.


>  From what little I know of uClinux / uClibc the GOT is handled by the 
> fs/binfmt_flat.c file for the flat file formats

Yes.  It remains a mystery who calls lib_main and where
the kernel fills-in %d5 and, most importantly, with what :-)


> For uClibc on MMU systems there is an ldso that is used.

I've seen it on the ARM in the uClibc root filesystem
image.  I suppose it works much like glibc's ld.so...

-- 
  // Bernardo Innocenti - Develer S.r.l., R&D dept.
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