Re: Diff b/w 32bit & 64-bit

From: Johannes Ruscheinski (ruschein@mail-infomine.ucr.edu)
Date: Mon Jul 01 2002 - 16:45:07 EST


Also sprach M?ns Rullg?rd:
> "Mohamed Ghouse , Gurgaon" <MohamedG@ggn.hcltech.com> writes:
>
> > Hello All
> > I am working on a Driver.
> > Considering the processor 2 B Intel's x86,
> > can some one enlighten me with the differences of Linux on a 64-bit
> > processor & a 32-Bit processor.
>
> For Alpha: sizeof(int) == 4, sizeof(long) == 8, sizeof(void *) == 8
> For intel: sizeof(int) == 4, sizeof(long) == 4, sizeof(void *) == 8
                                                  ^^^^^^^^^^^^^^^^^^^
I don't know where you come up with that. On x86 Linux the size of
any pointer is 4 bytes!
>
> The most common mistake is trying to stuff a pointer into an
> int. Don't do that.
>
> --
> M?ns Rullg?rd
> mru@users.sf.net
> -
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-- 
Johannes
--
Dr. Johannes Ruscheinski
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