Patch: Add c6x-uclinux support

[Bernd Schmidt]

On 03/30/2011 01:18 PM, Joseph S. Myers wrote:
> On Wed, 30 Mar 2011, Bernd Schmidt wrote:
> 
>>> (from elf32_tic6x_le.sh).  What is the far analogue of .scommon?
>>
>>   .far            :
>>   {
>>    *(.dynfar)
>>    *(.far .far.* .gnu.linkonce.b.*)
>>    *(COMMON)				<-----------
>>
>> This, I'd think. Certainly if you remove that, far common symbols are
>> dropped.
>>
>> As far as I can tell .scommon (and its far analogue) exists only
>> internally in the linker, but it needs to be given some name to be
>> placed in the right output section (.sbss).
> 
> Thanks.  If it never appears in assembler output (and supposing the 
> requested assembler tests for .scomm show that it does not appear in 
> assembler output) then that resolves the .scommon questions - and 
> indicates that it should *not* be added to the ABI since it's 
> linker-internal - even if it would be better for the linker to know about 
> *(SCOMMON) rather than hardcoding an internal name in linker scripts.

Here's a new version which includes all the changes you requested, and
some behaviour changes for shared libraries with DSBT index 0 requested
by TI.


Bernd
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