On 06.08.21 15:00, Jan Kiszka via Xenomai wrote: > Hi all, > > just wanted to debug the RTnet issues we now see in CI on arm and arm64. > I picked arm as first target, but that apparently starts to break with > gcc-9 or newer (tried 9.2 and 10.2): > > make[5]: Entering directory '/xenomai/lib/cobalt/arch/arm' > CC libarch_la-features.lo > features.c: In function 'cobalt_arch_check_features': > features.c:82:1: error: r7 cannot be used in 'asm' here > 82 | } > | ^ > > That seems to be related to passing the syscall number via r7 on ARM. Is > our ABI soon no longer compilable, or can we fix this? > > Jan >
Correction: The issue is likely older. I've just checked buster's gcc-8, and it shows the very same behavior. Will update the commit messages if we stick with my solutions. Jan -- Siemens AG, T RDA IOT Corporate Competence Center Embedded Linux
