Gunnar Beutner 1f57cc5957 UE: Make sure signal_trampoline_dummy is not optimized away with -flto ...

This adds __attribute__((used)) to the function declaration so the
compiler doesn't discard it. It also makes the function NEVER_INLINE
so that we don't end up with multiple copies of the function. This
is necessary because the function uses inline assembly to define some
unique labels.

2021-05-28 07:59:05 +02:00

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