From: Daniel Jacobowitz <drow@false.org>
To: liuyang <mysea000@163.com>
Cc: "gdb@sources.redhat.com" <gdb@sources.redhat.com>
Subject: Re: what's the use of sentinel frame?
Date: Tue, 01 Nov 2005 13:53:00 -0000 [thread overview]
Message-ID: <20051101135339.GC25595@nevyn.them.org> (raw)
On Tue, Nov 01, 2005 at 04:02:56PM +0800, liuyang wrote:
> Hi,all
> I read the source code of gdb 6.3 these days.I find that it is
> really a hard work.Now I am working with Frame.c. I don't understand
> the use of 'sentinel frame'.It is not referred in gdbint.Can you
> explain it to me ?
The sentinel frame exists so that, given any frame, there is always a
next frame; you never run off the end of the list. All it does is
return the real registers.
--
Daniel Jacobowitz
CodeSourcery, LLC
next reply other threads:[~2005-11-01 13:53 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-01 13:53 Daniel Jacobowitz [this message]
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2005-11-01 8:18 liuyang
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