Re: [PATCH v7 3/8] Use xml-syscall to compare syscall numbers in arm_linux_sigreturn_return-addr.

Antoine Tremblay
2015-12-11T13:25:44Z

On 12/11/2015 08:20 AM, Pedro Alves wrote:
> On 12/11/2015 01:04 PM, Antoine Tremblay wrote:

> From that, it seems to be that Aarch64 64-bit doesn't even
> have __NR_sigreturn. The one we see above is in unistd32.h,
> which should mean it's only included when compiling 32-bit code.
> So it seems like if you tried to reference __NR_sigreturn on
> Aarch64, you'd get a build failure.
>
> Note there are Aarch64 Ubuntu machines on the gcc compile farm.
>

Yes, one would need to use the _compat_ version I guess.

I'm still waiting for my request to the compile farm to be approved... :(

I do plan to buy an aarch64 however, not sure which one yet if ever
anyone has experiences/suggestions on that ?

> But, it's moot if we do hardware stepping.
>

Indeed.

Thanks,
Antoine