[compiler-rt] r220571 - tsan: support mmap(MAP_32BIT)

[Alexey Samsonov]

Take a closer look at tsan_platform.h

MemToShadow() doesn't map all the user memory regions into expected
0x0200000000 - 0x1000000000 range.
That is, IsShadowMem(MemToShadow(kHiAppMemBeg)) == false.

On Mon, Jan 12, 2015 at 7:25 AM, Dmitry Vyukov <dvyukov at google.com> wrote:

> What is the problem with TSAN_SHADOW_COUNT != 4? I do not see what has
> changed wrt TSAN_SHADOW_COUNT.
>
> On Tue, Jan 6, 2015 at 5:25 AM, Alexey Samsonov <vonosmas at gmail.com>
> wrote:
> > After this change TSan can only work with TSAN_SHADOW_COUNT=4.
> > Do we plan to keep support for another values, or it's fine to just drop
> > them?
> >
> > On Sat, Oct 25, 2014 at 2:25 AM, Dmitry Vyukov <dvyukov at google.com>
> wrote:
> >>
> >> On Sat, Oct 25, 2014 at 1:17 AM, Kostya Serebryany <kcc at google.com>
> wrote:
> >> > Nice!
> >> > Please also update the docs (where relevant).
> >> > Do we need to remove -PIE from the driver now?
> >>
> >> There is no immediate need for any changes.
> >> We can remove pie just to match gcc and asan, though. But I am sure
> >> that such change will cause a new splash of complains that something
> >> broke in some weird setups...
> >> _______________________________________________
> >> llvm-commits mailing list
> >> llvm-commits at cs.uiuc.edu
> >> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
> >
> >
> >
> >
> > --
> > Alexey Samsonov
> > vonosmas at gmail.com
>



-- 
Alexey Samsonov
vonosmas at gmail.com
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