Re: syscall macro fails upon compilation
From: H. Peter Anvin
Date: Fri Jul 06 2007 - 13:19:21 EST
Andi Kleen wrote:
>> They were *always* broken for 64-bit arguments on 32-bit machines, however.
>
> Well syscall() doesn't support that at all (unless you split by hand)
>
On i386 it just happens to work, because the calling convention is
equivalent. On some other 32-bit platforms it works that way as well;
on others, it fails.
To do it right you need a proper assembly stub generator.
-hpa
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