programs mapping in memory

DINH Viet Hoa (Viet-Hoa.Dinh@irisa.fr)
Fri, 16 Nov 2001 09:13:30 +0100

Maybe I am on the bad mailing-list but my question is
the following : Why are programs mapped into memory
segments that start around 0x8048000 ?
How is it chosen and why is this choice made ?
For example, why couldn't is be 0x1000000 ?

for example :

% cat /proc/1/maps
08048000-0804f000 r-xp 00000000 08:01 6078 /sbin/init
0804f000-08050000 rw-p 00006000 08:01 6078 /sbin/init
08050000-08054000 rwxp 00000000 00:00 0
...
bfffe000-c0000000 rwxp fffff000 00:00 0

(Version of linux is 2.2.13)

thanks for your answers.

-- 
DINH Viêt Hoà, ingénieur associé, projet PARIS
IRISA-INRIA, Campus de Beaulieu, 35042 Rennes cedex, France
Tél: +33 (0) 2 99 84 75 98, Fax: +33 (0) 2 99 84 25 28
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