DragonFly added support for ELF preinit, init, and fini arrays

[Konstantin Belousov]

On Wed, Feb 15, 2012 at 08:22:02PM -0500, Pedro Giffuni wrote:
> Hello;
> 
> FYI, this commit in DragonFly seems interesting:
> 
> http://leaf.dragonflybsd.org/mailarchive/commits/2012-02/msg00146.html
> 
> It appears like linux had them from a while and some years ago they started
> using them for C++ in gcc:
> 
> http://gcc.gnu.org/ml/gcc-patches/2005-03/msg01872.html
> 
> cheers,
If you read the commit message, you will notice something at the end.

I have WIP patches to add support for the init arrays to our rtld.
It is not tested yet, and I want to ponder more about the ABI changes
in csu that I introduce.

In fact, I am more interested in having answer to the question, what
immediate and long-term use do we have for the feature. Also, I want
non-artificial test cases for DT_INIT_ARRAY and DT_FINI_ARRAY.

http://people.freebsd.org/~kib/misc/init_array.1.patch
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