Re: Getting rid of alignment faults in userspace

On 18 June 2011 22:17, Nicolas Pitre nicolas.pitre@linaro.org wrote:

Turns out that a prominent ARM developer still has binaries from the ARMv3 era around, and the default of not fixing up misaligned user space accesses is for remaining compatible with them.

So if you do have a version of glibc that is not from 15 years ago (that would have to be a.out and not ELF if it was) then you do not want to let misaligned accesses go through unfixed, otherwise you'll simply have latent data corruption somewhere.

Can we tie the alignment correction default to depend if a.out support is in the kernel or not?

Riku