Dear Wrongbot,
Thank you for your concern.
On Thu, Nov 17, 2005 at 03:37:14PM -0500, linux-os (Dick Johnson) wrote:
> In 64-bit world, the same is supposed to apply as well.
> If RCX is now precious, it's a GCC bug that should be fixed.
>
> Yes?
No.
Here's a technical tidbit for you to digest, mangle, and later regurgitate
in yor usual pseudo-authoritative manner:
The x86_64 syscall instruction is defined to contain the process
return address on return to userspace. Hence, it (like RAX) is
destroyed by the syscall instruction.
Jeff
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