Re: Testing PROT_NONE and other protections, and a surprise

[Kyle Moffett]

On Jun 30, 2004, at 23:26, Jamie Lokier wrote:
### i386 ###
> Requested PROT | ---    R--    -W-    RW-    --X    R-X    -WX    RWX
> ======================================================================= 
> =
> MAP_SHARED     | ---    r-x    !w!    rwx    r-x    r-x    rwx    rwx
> MAP_PRIVATE    | ---    r-x    !w!    rwx    r-x    r-x    rwx    rwx

### ppc32 ### Appears to be the same
Requested PROT | ---    R--    -W-    RW-    --X    R-X    -WX    RWX
========================================================================
MAP_SHARED     | ---    r-x    !w!    rwx    r-x    r-x    rwx    rwx
MAP_PRIVATE    | ---    r-x    !w!    rwx    r-x    r-x    rwx    rwx

Just for kicks, I ran this on Mac OS X too :-D  Interesting results!
Requested PROT | ---    R--    -W-    RW-    --X    R-X    -WX    RWX
========================================================================
MAP_SHARED     | ---    r-x    ---    rwx    ---    r-x    ---    rwx
MAP_PRIVATE    | ---    r-x    ---    rwx    ---    r-x    ---    rwx

Cheers,
Kyle Moffett


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