[PATCH] ppc64: fix semtimedop compat syscall
David S. Miller
davem at davemloft.net
Wed Mar 23 10:33:10 EST 2005
On Wed, 23 Mar 2005 09:58:22 +1100
Stephen Rothwell <sfr at canb.auug.org.au> wrote:
> I was just being pedantic as this is the case we care about. It is quite
> possible that the compiler upon seeing "int x" as an function argument
> will assume that any value passed to the argument has been sign extended
> to the equivalent of long by any caller of the function (since ints as
> function arguments may actually be 64 bit registers).
That is actually the case on sparc64. The ABI demands that all
signed function arguments are sign extended to 64-bits by the
So it would only work if the argument was declared as unsigned.
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