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Re: Libffi: closures for x86_64
Jakub Jelinek writes:
> On Mon, Jan 27, 2003 at 05:45:23PM +0000, Andrew Haley wrote:
> > + tramp = (unsigned short *) &closure->tramp[0];
> > + tramp[0] = 0xbb49; /* mov <code>, %r11d */
>
> ^^^ comment typo
> The instruction is mov <code>, %r11, not mov <code>, %r11d.
OK.
> > + tramp[5] = 0xba49; /* mov <data>, %r10 */
> > + tramp[10] = 0xff49; /* jmp *%r11 */
> > + tramp[11] = 0x00e3;
> > + *(void **) &tramp[1] = ffi_closure_UNIX64;
> > + *(void **) &tramp[6] = closure;
>
> And this is aliasing bug.
It certainly is. Thanks.
Andrew.