ABI choice in adding new syscall

[Marcelo Silva Freitas <marcelo.caj.ufg@xxxxxxxxx>]

Hi,

I am studing how to add new syscall to the kernel.

When editing the file syscall_64.tlb there are 3 choices for the ABI: 64, common, x32

I have read about and I don't found clearly the meaning and effect of 'common' choice.

In what imply this choice?

Thanks,

Marcelo.

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