[strace/strace] sysvipc handling is time64-incompatible (#116)

[Dmitry V. Levin]

On Tue, Jan 14, 2020 at 01:39:33PM -0800, Rich Felker wrote:
> Now that fix is in progress on the kernel side, what should the action on the strace side be? I think the choices are roughly:
> 
> 1. Default to using kernel uapi headers with a test for whether they're broken (only needed on x32 and sparc32), falling back to libc ones if so. Users of a libc with time64 will have to ensure they have fixed uapi headers.

The check would be needed not just on x32 and sparc32 but also on x86_64 and sparc64 because the part of strace that handles compat syscalls is built in a special way to obtain the correct representation of compat data types.


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