[llvm-dev] ASan port for Myriad RTEMS

[Kostya Serebryany via llvm-dev]

On Mon, May 7, 2018 at 12:35 PM Walter Lee <waltl at google.com> wrote:

> On Mon, May 7, 2018 at 2:05 PM Kostya Serebryany <kcc at google.com> wrote:
>
>>
>>
>>> and GetFakeStackFast.
>>
>>
>> Not sure. Why don't just disable stack-use-after-return?
>>
>
> Yeah originally I was going to do that, but:
>

I probably misunderstood.  You are not disabling UAR completely, just
disabling the fast-path getter?
Hmm.
Maybe let's leave this one out for now and once everything else is resolved
will look at it again?


> 1. We had a stack use-after-return last month that people had to debug by
> hand. that would have been caught by ASan with stack-use-after-return.  So
> it seems like a worthwhile feature to support.
>
> 2. Initially I was concerned about code size and one thing I was planning
> to do was to disable stack-use-after-return instrumentation.  But in
> practice, we find that this was a non-issue: we are able to run the same
> number of tests with and without such instrumentation.
>
> 3. It seems like a good idea to keep the same default behavior and feature
> parity with x86 ASan when possible.
>
> Thanks,
>
> Walter
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180507/60a4c679/attachment.html>