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Re: Possible incorrect usage of STACKALIGN in kern_exec
On Tue, Jan 24, 2012 at 10:13:39PM +0000, David Holland wrote:
> On Tue, Jan 24, 2012 at 09:55:30PM +0100, Joerg Sonnenberger wrote:
> > > There is also a related PR but which is for threads stack alignment:
> > > lib/39465
> > That bug is wrong. NetBSD uses SYSV ABI and that mandates 4 Bytes
> > alignment for the stack. GCC versions before ~4.5 or so are just
> > completely broken in this regard.
> And yet there have been several reports that it still doesn't work
> with gcc 4.5...
Of course. You don't expect GCC to default to correct behavior
(-mstackrealign), do you?
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