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SubjectRe: Compat 32-bit syscall entry from 64-bit task!?
On 01/20/2012 02:40 PM, Roland McGrath wrote:
> If you change the size of a regset, then the new full size will be the size
> of the core file notes. Existing userland tools will not be expecting
> this, they expect a known exact size. If you need to add new stuff, it
> really is easier all around to add a new regset flavor. When adding a new
> one, you can make it variable-sized from the start so as to be extensible
> in the future. We did this for NT_X86_XSTATE, for example.

Yes, that definitely seems cleaner.


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