New linker option --dsbt_index for C6x; c6x-uclinux fixes

[Bernd Schmidt]

On 09/29/2010 03:57 PM, Joseph S. Myers wrote:

>> + @kindex --dsbt_index
>> + @item --dsbt_index @var{index}
>> + This option sets the DSBT index of the current executable or shared library
>> + to @var{index}.
> 
> I see no existing documentated "--" options containing "_".  The normal 
> style would definitely be --dsbt-index.

I realized this.  The TI linker uses --dsbt_index, so I felt that there
could be a Makefile compatibility argument here.  I don't feel strongly
either way.

I'll remove the GEN_SHLIB_SCRIPT line from this patch and fix the other
issues.


Bernd