ABI / dynamic list now on wiki

[Chris Metcalf]

On 1/23/2014 1:58 PM, Joseph S. Myers wrote:
> On Thu, 23 Jan 2014, Chris Metcalf wrote:
>
>>> (and probably also 
>>> tilegx - in fact I don't see any BE support for that in GCC either).  
>> There is BE support for tilegx in binutils, gcc, linux, and glibc, and 
>> we do some limited regression testing on this configuration every night, 
>> so at least I know what we ship customers isn't too broken.  I'm pretty 
>> confident support should be in the open-source gcc, though I'm not that 
>> close to the community return process for gcc.
> I see:
>
> $ grep -i endian *
> tilegx-c.c:  TILEGX_CPU_CPP_ENDIAN_BUILTINS ();
> tilegx.h:#define TILEGX_CPU_CPP_ENDIAN_BUILTINS()       \
> tilegx.h:      if (TARGET_BIG_ENDIAN)                   \
> tilegx.h:       builtin_define ("__BIG_ENDIAN__");      \
> tilegx.h:       builtin_define ("__LITTLE_ENDIAN__");   \
> tilegx.h:#define TARGET_BIG_ENDIAN 0
> tilegx.h:#define BITS_BIG_ENDIAN 0
> tilegx.h:#define BYTES_BIG_ENDIAN TARGET_BIG_ENDIAN
> tilegx.h:#define WORDS_BIG_ENDIAN TARGET_BIG_ENDIAN
>
> That doesn't look to me like there's any way to enable big-endian - it 
> looks like hard-coded LE.

Yes, I checked with our gcc open source maintainer, and he says that while it wasn't contributed back yet, the work is done, so he'll be contributing it back sometime soon.

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com