On 08/27/2009 01:42 PM, Roland McGrath wrote:
> Note that this means what it says: if your expression contains a
symbol
> that goes out of scope before the change happens, then the watchpoint
> will be forgotten, because the value of the expression will change from
> being a value to being not-a-thing. So you would need to set the watch
> on the address in memory of what you're trying to watch, and not
> necessarily on its symbolic name.
Indeed. Usually the convenient thing to do is:
(gdb) p&foo->bar
$22 = (int *) 0x12345
(gdb) watch *$22
Thanks, but my trouble though is what to watch. My thought was to watch
the location of the guard variable that the stack protector code checks,
but I have no idea how to find that out.
--
Orion Poplawski
Technical Manager 303-415-9701 x222
NWRA/CoRA Division FAX: 303-415-9702
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