Re: Displacement def in as

["A D" <a_d_249@xxxxxxxxxxx>]

> Robert Plantz  wrote:
> If you are using the gnu assembler, gas, you should
> become familiar with the info for it. The command
> is
>     info as
>
> Go to Machine Dependencies, then i386-Dependent,
> then i386-Memory. There you will see that the AT&T
> syntax is
>     DISP(BASE, INDEX, SCALE)
>
> DISP is an integer. An example is
>     movl   $0, -4(%ebp)
> which would store 32 bits of zero at the
> memory location starting 4 bytes negative
> from the address in the ebp register. (This
> instruction does not use INDEX or SCALE.)
>
> Linux uses a flat memory model, so you don't
> need to worry about the segmentation registers
> if you run your program under Linux.

Thank you Robert Plantz for your wonderful insight.

--STeve

_________________________________________________________________
Off to school, going on a trip, or moving? Windows Live (MSN) Messenger lets 
you stay in touch with friends and family wherever you go. Click here to 
find out how to sign up!  http://www.telusmobility.com/msnxbox/

-
To unsubscribe from this list: send the line "unsubscribe linux-assembly" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html