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SubjectRe: 64-syscall args on 32-bit vs syscall()
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Benjamin Herrenschmidt wrote:
> On Thu, 2010-03-18 at 12:03 -0500, Steven Munroe wrote:
> > Sorry in and long are compatible in 32-bit but not long long.
> >
> > int and long are not compatible in 64-bit
> >
> > It is hard the keep all the nodes and arguments straight.
> >
> > But the concern about changing the prototype and are people actually
> > using the prototype are still valid.
>
> Well, using the macro trick instead would fix that problem, code
> wouldn't build if it doesn't include unistd.h :-)

Or it will build, but call the old ABI version - no change to those programs.

-- Jamie


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