[llvm-commits] [PATCH] An option to selectively enable parts of ARM EHABI support

[Evgeniy Stepanov]

Enabling it by default would be nice, but we are not quite ready for
that. Besides my other CL, I've found another case of an unsupported
instruction. So, sometimes -arm-enable-ehabi just breaks compilation.

So, for now, we need a way to (a) enable just unwinding, and (b)
enable both, with both disabled by default.

On Wed, Jan 18, 2012 at 7:38 PM, Anton Korobeynikov <asl at math.spbu.ru> wrote:
> Hi Evgeniy
>
>> This patch adds an option to disable emitting unwinding descriptors.
>> This lets us, by enabling ehabi and disabling descriptors, get a
>> working backtrace() on ARM.
> I have another idea. I assume you're doing tests of ehabi-related stuff on ARM.
> So, if you'll say that frame unwinding stuff ok, we can enable it by default.
> And have only switch for to enable/disable descriptors.
>
> What do you think?
>
> --
> With best regards, Anton Korobeynikov
> Faculty of Mathematics and Mechanics, Saint Petersburg State University