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From: Daniel Jacobowitz <drow@mvista.com>
To: Andrew Cagney <ac131313@redhat.com>
Cc: gdb@sources.redhat.com
Subject: Re: frame->unwind->this_base()
Date: Tue, 18 Mar 2003 17:38:00 -0000	[thread overview]
Message-ID: <20030318173814.GA28471@nevyn.them.org> (raw)
In-Reply-To: <3E77574F.2010407@redhat.com>

On Tue, Mar 18, 2003 at 12:28:47PM -0500, Andrew Cagney wrote:
> >That would be a very bad assumption.  They are pratically guarenteed to 
> >>be different.
> >
> >
> >Then what do you mean by a "dwarf2 frame"?  I'd assume you meant the
> >CFA, but it sounds like you mean a frame for which we have dwarf2
> >.debug_info.
> 
> A frame with debug info provided by dwarf2.  CFI gives the register 
> info, location expressions give the variable info, ...
> 
> What started out as a simple cfi-frame looks like it might need to 
> evolve into dwarf2-frame ...

DWARF-2 debug info does not corelate with CFI info.  For instance, GCC
will generate DWARF-2 CFI with stabs debug info.  It will also generate
CFI with no debug info at all, or DWARF-2 info without any CFI (if
requested).

Can't lump 'em that way.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer

  reply	other threads:[~2003-03-18 17:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-16 22:04 frame->unwind->this_base() Andrew Cagney
2003-03-16 22:10 ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-17  0:09   ` frame->unwind->this_base() Andrew Cagney
2003-03-17  0:14     ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-17 16:22       ` frame->unwind->this_base() Andrew Cagney
2003-03-17 16:38         ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-17 16:56           ` frame->unwind->this_base() Andrew Cagney
2003-03-17 17:11             ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-17 18:20               ` frame->unwind->this_base() Andrew Cagney
2003-03-17 19:35                 ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-18  4:29                   ` frame->unwind->this_base() Andrew Cagney
2003-03-18  5:13                     ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-18 15:22                       ` frame->unwind->this_base() Andrew Cagney
2003-03-18 16:38                         ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-18 17:02                           ` frame->unwind->this_base() Andrew Cagney
2003-03-18 17:11                             ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-18 17:28                               ` frame->unwind->this_base() Andrew Cagney
2003-03-18 17:38                                 ` Daniel Jacobowitz [this message]
2003-03-18 20:22                                   ` frame->unwind->this_base() Andrew Cagney
2003-03-19 14:11                                     ` frame->unwind->this_base() Daniel Jacobowitz
2003-03-19 15:24                                       ` frame->unwind->this_base() Andrew Cagney
2003-03-19 15:32                                         ` frame->unwind->this_base() Daniel Jacobowitz

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