using gdb

[Jerry Feldman]

Brad,
Are you referring to pointers?
Most debuggers don't provide this information directly. However, you can 
set up watchpoints on the address you think may be corrupted.

Also, in C, you can easily write data into an array and exceed the bounds 
of that array.

Another frequent problem is that you can allocate memory using malloc, then 
free that memory, but nothing stops you from writing into that memory until 
you step on an address, and the dereference of that address causes a 
segfault.

You also should look into DDD. DDD uses gdb, but gives you a graphical 
display. I found ddd immensely useful when debugging a database program I 
was working on.
Brad Noyes wrote:
> Hi All,
> is there a way, in gdb, to get a list of varibles that point to a particular
> address? I think i might have two, or more, varibles pointing to the same
> address, and is causing strange behavior.
-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix user group
http://www.blu.org PGP key id:C5061EA9
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