C6x: Fix another problem with rela. and rel. sections

[Joseph S. Myers]

On Thu, 23 Sep 2010, Bernd Schmidt wrote:

> TI's compiler for C6x produces both rel. and rela. sections.  When compiling
> the kernel with it, we end up with rela.init.text and rel.init.text, and when
> we then try to use GNU ld to link these objects together using "-r", the
> linker aborts with
> 
> ld: init/mounts.o: relocation size mismatch in init/do_mounts.o section .text
> ld: final link failed: File in wrong format
> 
> That's because in the output we've only made one of the two sections.  I
> looked around in other targets for ways to fix it, and came across a
> definition of elf_fake_sections in elf32-m32r.c.  Adding such a function to
> elf32-tic6x.c seems to fix the problem.
> 
> Ok?

This appears to have caused:

FAIL: ld-elf/64ksec-r

regexp "^There are 680.. section headers.*:$"
line   "There are 102011 section headers, starting at offset 0x13e594:"

(Testing for cross to c6x-elf from i686-pc-linux-gnu.  2010-09-23 16:00:00 
passes, 2010-09-23 17:00:00, this is the only commit in that interval.)

Please fix.  When reviewing C6X patches I am presuming that they have been 
tested not to cause regressions for a relevant target - did this failure 
result from an interaction with another commit between when you tested the 
patch and when you committed it?

-- 
Joseph S. Myers
joseph@codesourcery.com