Re: [PATCH] [PowerPC/RTEMS] Add 64-bit support using ELFv2 ABI

[Sebastian Huber <sebastian.huber@embedded-brains.de>]

On 27/07/17 21:57, Segher Boessenkool wrote:

> On Thu, Jul 27, 2017 at 07:28:30AM +0200, Sebastian Huber wrote:
>>> This deletes eabi.h and I don't see you add all its definitions to
>>> rtems.h directly (NAME__MAIN etc.)  Is this on purpose?
>> Yes, I always wondered why GCC added the __eabi() call to main() out of
>> thin air. In general, there is no main() function in RTEMS. Instead, you
>> can statically configure initialization threads. We call __eabi() in the
>> low-level startup code, e.g.
>>
>> https://git.rtems.org/rtems/tree/c/src/lib/libbsp/powerpc/qoriq/start/start.S#n144
> Heh, I always thought the EABI must require it, but it seems to be a GCC
> invention.
>
> Patch looks fine to me then.  You can approve it yourself of course:-)

Thanks for your review, I checked it in in mainline and 7 branch.

Would you mind having a look at:

https://gcc.gnu.org/ml/gcc/2017-07/msg00196.html

Is the small data area no longer supported by GCC for 64-bit PowerPC?

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Sebastian Huber, embedded brains GmbH

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