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Re: Backtrace showing different value from stack?

From: Andrew Haley <aph at redhat dot com>
To: Philipp Marek <philipp at marek dot priv dot at>
Cc: gcc-help at gcc dot gnu dot org
Date: Tue, 10 Jun 2008 11:23:34 +0100
Subject: Re: Backtrace showing different value from stack?
References: <17675.193.171.152.33.1213087007.squirrel@webmail.marek.priv.at>

Philipp Marek wrote:

> Note: it's entirely possible that I'm trashing the stack somewhere. I'd
> just like to know why GDB shows something different for "bt" and the
> "manual" stack dump.

gdb uses a bunch of heuristics along with the debug information
to do its backtraces.  These heuristics don't always work, and the
debug information might be incorrect.

Andrew.

References:
- Backtrace showing different value from stack?
  - From: Philipp Marek

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