On Feb 14, 2006, at 5:51 PM, William Riley-Land wrote:
Hi, I haven't posted here before. So, nice to meet you all and
hope this isn't off topic :)
I was wondering if it is possible at all for one userland
application to access another application's memory space. By
"userland" I mean non-kernel code... that's the correct term
right? I had a program under OS 9 that could be used to do this
(mostly to cheat at games :)
I understand that under Darwin memory is "protected" and one
application can only use its memory space and/or shared memory
(which I have no idea about at all).
Anyway, my secondary question is: can one application access
another's memory?
It's possible for one application to make its memory available to be
shared. It's also possible for a privileged process to get access to
memory of another process (think of how a debugger might work).
The answer depends a lot on just what you mean by "can one
application access another's memory?" Can you be a bit more descriptive?
Regards.....Peter
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