On Wed, Jan 12, 2011 at 12:22 PM, Carmelo AMOROSO
<carmelo.amor...@st.com> wrote:
> From: Salvatore Cro <salvatore....@st.com>
>
> Protected symbols are global symbols for which interposition is not allowed.
> We manage them in generic _dl_lookup_hash function. To handle protected
> symbols
> we need to get a reference to the module that defines the symbol itself.
> So we pass a new parameter 'struct symbol_ref' to the __dl_lookup_hash
> that is defined as below:
>
> struct symbol_ref {
> const ElfW(Sym) *sym;
> struct elf_resolve *tpnt;
> };
>
> The tpnt field is used as an ouput parameter and refers to the module which
> defines
> the protected symbol.
> Further it can be used as output parameter for TLS relocations and FDPIC case.
> The sym field is instead used as an input parameter to detect the visibility
> of the
> symbol we are looking-up.
> In this way we get rid of different signatures for _dl_lookup_hash, allowing
> to remove
> the _dl_find_hash wrapper.
> This new structure is also suitable for prelink integration.
>
> Signed-off-by: Salvatore Cro <salvatore....@st.com>
> Signed-off-by: Carmelo Amoroso <carmelo.amor...@st.com>
> ---
> ldso/include/dl-hash.h | 16 ++++++++--------
> ldso/ldso/arm/elfinterp.c | 6 +++++-
> ldso/ldso/avr32/elfinterp.c | 13 +++++++------
> ldso/ldso/bfin/elfinterp.c | 18 ++++++++++++------
> ldso/ldso/cris/elfinterp.c | 5 ++++-
> ldso/ldso/dl-hash.c | 20 ++++++++++++--------
> ldso/ldso/i386/elfinterp.c | 6 +++++-
> ldso/ldso/m68k/elfinterp.c | 15 ++++++++-------
> ldso/ldso/mips/elfinterp.c | 6 +++++-
> ldso/ldso/powerpc/elfinterp.c | 20 +++++++++++---------
> ldso/ldso/sh/elfinterp.c | 10 +++++++---
> 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, 123 insertions(+), 81 deletions(-)
this didnt apply against current git master?
maybe needs a rebase?
-nc
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