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Re: [Xen-devel] [PATCH 4/4] xen/arm: correctly handle an empty array of platform descs.
>>> On 14.05.13 at 17:07, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> But if I remove only -DGCC_HAS_VISIBILITY_ATTRIBUTE the issue goes away.
>
> Which makes no sense because the test code has no use of that, but Aha:
> -include
> /local/scratch/ianc/devel/arm/xen.git/xen/include/xen/config.h
>
> Which eventually gets us, from compiler.h:
> #ifdef GCC_HAS_VISIBILITY_ATTRIBUTE
> /* Results in more efficient PIC code (no indirections through GOT or PLT).
> */
> #pragma GCC visibility push(hidden)
> #endif
That's a very interesting (to me at least) side effect of applying
hidden visibility to symbols.
Jan
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