svn commit: trunk/uClibc: extra/Configs include ldso/include ldso etc...

Carmelo AMOROSO carmelo.amoroso at st.com
Thu Nov 8 09:52:23 UTC 2007


Denys Vlasenko wrote:
> On Wednesday 07 November 2007 15:14, carmelo at uclibc.org wrote:
>   
>> +config LDSO_GNU_HASH_SUPPORT
>> +	bool "Enable GNU hash style support"
>> +	depends on HAVE_SHARED
>> +	default n
>> +	help
>> +	  Newest binutils support a new hash style named GNU-hash. The dynamic
>> +	  linker will use the new GNU-hash section (.gnu.hash) for symbol lookup 
>> +	  if present into the ELF binaries, otherwise it will use the old SysV 
>> +	  hash style (.hash). This ensures that it is completely backward compatible.
>> +	  Further, being the hash table implementation self-contained into each
>> +	  executable and shared libraries, objects with mixed hash style can
>> +	  peacefully coexist in the same process.
>> +	  
>> +	  If you want to use this new feature, answer Y  
>> +
>>     
>
> If I would read this help text, I'd wonder whether this
> new GNU style hash is actually better than old way, and why.
> Is it smaller? faster? or what...
>   
faster
> --
> vda
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