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Re: Unwinding TCL stack

From: Keith Seitz <keiths at redhat dot com>
To: Doug Graham <dgraham at nortel dot com>
Cc: insight at sourceware dot org
Date: Fri, 13 Jul 2007 11:01:17 -0700
Subject: Re: Unwinding TCL stack
References: <20070712033829.GA22434@nortel.com>

Doug Graham wrote:

The problem is that the TCL stack is not (always?) being unwound when
a GDB exception is thrown via throw_exception().

This is a big problem for Insight. The TCL stack can not be unwound safely with longjmp. Any gdb command run from insight should be using the wrapper function gdbtk_call_wrapper or have something in gdbtk-wrapper.c to prevent this from happening.

You need to find out what command is causing the longjmp/exception to jump interpreter frames.

Keith

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References:
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  - From: Doug Graham

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