RTEMS-specific Newlib patches for aarch64

[Sebastian Huber]

On 17/03/2022 13:30, Kinsey Moore wrote:
> On 3/17/2022 05:00, Sebastian Huber wrote:
>> Hello,
>>
>> the current Newlib build fails for aarch64 due to RTEMS-specific patches:
>>
>>   CC       libc/string/libc_a-wcscmp.o
>> ../../../gnu-mirror-gcc-0f001dd/newlib/libc/machine/aarch64/setjmp.S:29:10: 
>> fatal error: ../asmdefs.h: No such file or directory
>>    29 | #include <../asmdefs.h>
>>       |          ^~~~~~~~~~~~~~
>>
>> Why are these patches not in upstream Newlib?
>>
> The only patch I'm aware of should be for ILP32 support in the 
> hand-coded AArch64 assembly in newlib.
> 
> The short answer as to why the patch isn't upstream is that newlib 
> hasn't committed it yet.
> 
> The longer answer is that the hand-coded AArch64 ASM in newlib is 
> sourced from ARM's optimized-routines repository. I provided a patch to 
> newlib's specifications at which point they suggested I get it committed 
> upstream in the optimized-routines repo, first. I did that and then 
> requested they pull the changes, but they were in the middle of a 
> release cycle. Having the patch locally was the interim solution while 
> we waited for that release to finish and for newlib to pull in the 
> changes. I'll take a look and see what the current status on that is and 
> what changes prompted the patch to break.

I don't see open pull requests in

https://github.com/ARM-software/optimized-routines/pulls

What is the status with respect to a Newlib integration?

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