[PATCH 0/5] Generic implementation for protected symbols

[Carmelo AMOROSO]

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On 1/12/2011 12:34 PM, Carmelo AMOROSO wrote:
> 
> Folks,
> even if a bit late here the patch set for handling protected symbols for
> all architecture in the common code _dl_find_hash.
> The implementation is based on a Jocke's proposal modified according to a my
> suggestion that will allow to cope with proetcted symbols, TLS, FDPIC
> and prelinking as well.
> 
> Work build/runtime tested on SH4. The only architecture that has not been
> changed is FRV that seems to be completely broken (it is using a _dl_find_hash_mod
> function that it is not longer available).
> 
> I see rooms for further tidy-up of the ldso code after this change, but I-d prefer
> to apply them later.
> 
> I'd kindly ask arch maintainers and uClibc fans to review and possibily test
> their own preferred archs. We should be able to include this code for the 0.9.32 asap.
> 
> Thanks and enjoy uClibc,
> Carmelo
> 
> Carmelo Amoroso (4):
>   Revert "ldso/i386: support protected symbols"
>   Revert "ldso_sh: add support for protected symbols to SH"
>   Revert "ldso/arm: Correct protected symbol resolution"
>   ldso: get rid of _dl_lookup_hash
> 
> Salvatore Cro (1):
>   Add protected symbols support for all architectures
> 
>  ldso/include/dl-hash.h        |   20 ++++++------------
>  ldso/ldso/arm/elfinterp.c     |   17 ++++++---------
>  ldso/ldso/avr32/elfinterp.c   |   13 ++++++-----
>  ldso/ldso/bfin/elfinterp.c    |   18 +++++++++++-----
>  ldso/ldso/cris/elfinterp.c    |    5 +++-
>  ldso/ldso/dl-hash.c           |   22 ++++++++++++--------
>  ldso/ldso/i386/elfinterp.c    |   16 ++++++--------
>  ldso/ldso/m68k/elfinterp.c    |   15 +++++++------
>  ldso/ldso/mips/elfinterp.c    |    6 ++++-
>  ldso/ldso/powerpc/elfinterp.c |   20 ++++++++++--------
>  ldso/ldso/sh/elfinterp.c      |   44 +++++++++++++++++++---------------------
>  ldso/ldso/sh64/elfinterp.c    |    7 ++++-
>  ldso/ldso/sparc/elfinterp.c   |   24 ++++++++++++----------
>  ldso/ldso/x86_64/elfinterp.c  |   20 ++++++++++--------
>  ldso/ldso/xtensa/elfinterp.c  |   11 +++++----
>  ldso/libdl/libdl.c            |    7 +++--
>  16 files changed, 141 insertions(+), 124 deletions(-)
> 

Once this will be reviewed and approved, I'll manage to merge&test it on
prelink branch. This will allow us to easily merge prelink back to
master after 0.9.32 release at least.

Cheers,
Carmelo

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