From: Jim Blandy <jimb@red-bean.com>
To: Vladimir Prus <ghost@cs.msu.su>, Jim Blandy <jimb@redhat.com>,
gdb@sources.redhat.com
Subject: Re: frame_id question
Date: Sun, 13 Nov 2005 23:34:00 -0000 [thread overview]
Message-ID: <8f2776cb0511131534p4af92f9dgdd3fa7ba14cd0b27@mail.gmail.com> (raw)
In-Reply-To: <20051113173205.GB1945@nevyn.them.org>
On 11/13/05, Daniel Jacobowitz <drow@false.org> wrote:
> > > Some functions don't need any stack space at all. Such a function can
> > > even call other functions if it moves the return address to a
> > > callee-saved register while doing so.
>
> I was going to reply with that example, but I couldn't convince myself
> it was possible. It'll clobber the value previously in that
> callee-saved register. However, I know there is a case like this - I
> just can't think of it at the moment.
You're right. Now I'm not sure it's possible either. (Setting aside
dummy frames created by GDB.)
prev parent reply other threads:[~2005-11-13 23:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-09 16:29 Vladimir Prus
2005-11-11 10:23 ` Jim Blandy
2005-11-11 10:35 ` Vladimir Prus
[not found] ` <8f2776cb0511110943p1bb2b03g1b158fb8a82f2528@mail.gmail.com>
2005-11-11 18:05 ` Fwd: " Jim Blandy
2005-11-13 17:32 ` Daniel Jacobowitz
2005-11-13 23:34 ` Jim Blandy [this message]
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