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Re: GDB-6.0 stack trace problem.


From: Andrew Cagney
Subject: Re: GDB-6.0 stack trace problem.
Date: Fri, 02 Jan 2004 16:40:52 -0500
User-agent: Mozilla/5.0 (X11; U; NetBSD macppc; en-US; rv:1.0.2) Gecko/20030820


Hello,

I am not sure whether the following problem is a bug or operator
error....

I'm using GDB-6.0 and I've also tried a current snapshot
gdb+dejagnu-20031215 on SPARC Solaris 2.6 and they both only give a
short stack trace of 3 frames, 0, 1 and 2. If you step until you
exit the top frame you still get 3 frames but now an additional one
has appeared. There are no limits on the number of frames reported
and I can't see any other relevant settings.

I don't understand much of the frame structure or GDB structures but
the last two frames appear to get the same prev_pc value and this
appears to be because the frame_extra_info->bottom value is the same.
But that's as far as I've looked.

Any ideas? My search of the bug database hasn't come up with anything.

Can you try the branch kettenis_sparc-20030918-branch then if there are still problems post something to gdb AT sources DOT redhat DOT com (see http://www.gnu.org/software/gdb/mailing-lists).

Mark's been rewriting the SPARC code ready for the 6.1 release.

Andrew






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