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The x32 system call ABIThe x32 system call ABIPosted Sep 6, 2011 1:05 UTC (Tue) by cesarb (subscriber, #6266)In reply to: The x32 system call ABI by butlerm Parent article: The x32 system call ABI
There is also:
(3) Keep the source level API 32-bit, but have glibc do the zero-extension into the true 64-bit API before calling the kernel.
The main problem with that is, of course, ioctl (the same compat ioctl problem the kernel already has). So, how about this:
(4) Same as (3) but add a new x32_ioctl 64-bit syscall which calls into the compat ioctl engine the kernel already has.
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