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Date: Mon, 03 Jun 2002 04:22:00 -0000
From: Daniel Berlin <dberlin@dberlin.org>
To: "H . J . Lu" <hjl@lucon.org>
Cc: GDB <gdb@sources.redhat.com>, <gcc@gcc.gnu.org>,
	<binutils@sources.redhat.com>
Subject: Re: Does gdb 5.2 support gcc 3.1.1 on Linux/mips?
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On Sun, 2 Jun 2002, H . J . Lu wrote:

> On Sun, Jun 02, 2002 at 11:03:31PM -0700, H . J . Lu wrote:
> > 
> > DW_CFA_17 is DW_CFA_offset_extended_sf, which was added to gcc on
> > 2002-01-30. I have verifed that gcc 3.1.1 does generate it for mips.
> > It looks like we have at least 2 bugs. First, readelf doesn't handle
> > DW_CFA_offset_extended_sf and maybe other DAWRF debug info generated
> > by gcc 3.1.1. Secondly, gdb 5.2 doesn't work with gcc 3.1.1 for
> > Linux/mips.
> 
> dwarf2cfi.c in gdb 5.2 seems to support DW_CFA_offset_extended_sf. But
> that file is not used anywhere, at least not for Linux/x86 nor
> Linux/mips. Did I miss something?
It's only used by x86-64 at present.  I mentioned how to get other 
platforms to support dwarf2 frame unwinding in a thread last week, forget 
the subject line however.

 Shouldn't we fix gdb 5.2 and > binutils for gcc 
3.1.1? > 
> 
> H.J.
>