[PATCH] [AArch64] [DFSan] Adding support of AArch64 for DFSan

[Renato Golin]

In http://reviews.llvm.org/D9649#170980, @sdkie wrote:

> In ASAN code I see
>  kAArch64_ShadowOffset64 = 1ULL << 36;
>  which will limit the upper memory to 0x7fffffffff.


Yes, this has been discussed, but not applied. :)

I think it should be safe to assume 39bits for now, and let the discussion flow on all three ASAN/TSAN/DFSAN later to increase that value. Just giving you the heads up.

cheers,
--renato


http://reviews.llvm.org/D9649

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