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Re: libsanitizer merge from upstream r208536


Hi Christophe,

is there anything special about your setup? We've seen it build on
arm/linux and arm/android correctly.


On Fri, May 23, 2014 at 6:06 PM, Christophe Lyon
<christophe.lyon@linaro.org> wrote:
> Hi,
> Since merge from upstream r209283 (210743 in GCC), my build fails on
> ARM, because rpc/xdr.h is not found.
> Is this expected?
>
> Thanks,
>
> Christophe.
>
>
> On 23 May 2014 15:45, Konstantin Serebryany
> <konstantin.s.serebryany@gmail.com> wrote:
>> On Fri, May 23, 2014 at 5:41 PM, Marek Polacek <polacek@redhat.com> wrote:
>>> On Mon, May 12, 2014 at 03:20:37PM +0400, Konstantin Serebryany wrote:
>>>> 5 months' worth of changes may break any platform we are not testing ourselves
>>>> (that includes Ubuntu 12.04, 13.10, 14.04, Mac 10.9, Windows 7, Android ARM),
>>>> please help us test this patch on your favorite platform.
>>>
>>> On powerpc64 I hit
>>> /home/polacek/gcc/libsanitizer/asan/asan_linux.cc:209:3: error: #error "Unsupported arch"
>>>  # error "Unsupported arch"
>>>
>>> because the merge (aka clang's r196802) removed ppc64 hunk of code:
>>>
>>> -# elif defined(__powerpc__) || defined(__powerpc64__)
>>> -  ucontext_t *ucontext = (ucontext_t*)context;
>>> -  *pc = ucontext->uc_mcontext.regs->nip;
>>> -  *sp = ucontext->uc_mcontext.regs->gpr[PT_R1];
>>> -  // The powerpc{,64}-linux ABIs do not specify r31 as the frame
>>> -  // pointer, but GCC always uses r31 when we need a frame pointer.
>>> -  *bp = ucontext->uc_mcontext.regs->gpr[PT_R31];
>>> -# elif defined(__sparc__)
>>
>> Someone will have to send this patch via llvm-commits  :(
>> (I've pinged Peter Bergner once with no luck).
>>
>>>
>>>         Marek


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