How to identity processor architecture

[Thirugnanam Balamurugan]

Also , the below one could help.

$ getconf LONG_BIT
64
$

Regards,
Bala


-----Original Message-----
From: kernelnewbies-bounces at kernelnewbies.org
[mailto:kernelnewbies-bounces at kernelnewbies.org] On Behalf Of Henry
Gebhardt
Sent: Thursday, January 27, 2011 4:46 PM
To: prabhu
Cc: Enrico Granata; kernelnewbies
Subject: Re: How to identity processor architecture

On Thu, Jan 27, 2011 at 03:23:28PM +0530, prabhu wrote:
> Any C programming technique apart from using this /proc/cpuinfo
detail?

What about using the machine field of uname(2):

   $ man 2 uname

Quoting from that man page:

   [...] the operating system  presumably  knows  its name,  release
   and version.   It also knows what hardware it runs on.

Perhaps a downside, it returns the machine type as a string.  Does that
do what you want?

I also find "man linux32" rather interesting:

    setarch  -  change reported architecture in new program environment
    and set personality flags

Might be useful for testing.


Greetings,
Henry

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