https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13182
--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > I'm not sure if the the probing offset is large enough for this purpose > because the kernel keeps pushing more and more data onto the stack during > signal handling: > > https://sourceware.org/bugzilla/show_bug.cgi?id=20305 Right, the Ada runtime uses an alternate signal stack for specific platforms.