On Mon, 2006-06-12 at 15:13, Glen Kriekenbeck wrote:
> Hi all,
>
> I'm working with an ISV who asks:
>
> > We notice that the system calls are coded differently in the 32 and 64
> > bit versions of the OS. The 32 version uses sysenter which the 64 uses
> > syscall. There also seem to be 2 different 32-bit versions in the
> > /usr/lib/libc: in libc_hwcap1.so.1 and libc_hwcap2.so.1
> Is such a change in the works? I'd appreciate a pointer to any further
> information about this.
out of curiosity, why does it matter to them? the precise mechanism
used to enter the kernel is a private matter between libc and the
kernel, and new mechanisms could be introduced at any time -- even in a
patch.
- Bill
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