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Date: Sat, 13 Apr 2002 17:16:00 -0000
Message-ID: <20020414001601.4850.qmail@sources.redhat.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
From: Daniel Jacobowitz <drow@mvista.com>
Subject: Re: debug/6291: Debugging broken on 3.1.  GDB says : "Dwarf Error: Cannot handle DW_FORM_strp in DWARF reader."
Reply-To: Daniel Jacobowitz <drow@mvista.com>
X-SW-Source: 2002-04/txt/msg00729.txt.bz2
List-Id: <gcc-prs.sourceware.org>

The following reply was made to PR debug/6291; it has been noted by GNATS.

From: Daniel Jacobowitz <drow@mvista.com>
To: Sylvain.Pion@sophia.inria.fr
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: debug/6291: Debugging broken on 3.1.  GDB says : "Dwarf Error: Cannot handle DW_FORM_strp in DWARF reader."
Date: Sat, 13 Apr 2002 20:13:40 -0400

 On Sat, Apr 13, 2002 at 11:52:23PM -0000, Sylvain.Pion@sophia.inria.fr wrote:
 > 
 > >Number:         6291
 > >Category:       debug
 > >Synopsis:       Debugging broken on 3.1.  GDB says : "Dwarf Error: Cannot handle DW_FORM_strp in DWARF reader."
 > >Confidential:   no
 > >Severity:       critical
 > >Priority:       medium
 > >Responsible:    unassigned
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Sat Apr 13 16:56:00 PDT 2002
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Sylvain Pion
 > >Release:        3.1 20020411 (prerelease) and 3.2 20020411 (experimental)
 > >Organization:
 > >Environment:
 > RedHat Linux 6.1 (manually upgraded).
 > GDB 5.1
 > >Description:
 > Debugging information seems totally broken.
 > When I compile a trivial C or C++ program, GDB tells me :
 > 
 > Dwarf Error: Cannot handle DW_FORM_strp in DWARF reader.
 > 
 > I can't even put a breakpoint on "main".
 > 
 > This shows up with current GCC 3.1 and 3.2 (gcc and g++).
 > 2.95.3 and 3.0.4 both work fine.
 > This seems critical for the 3.1 release !
 > >How-To-Repeat:
 > Compile with "-g", with gcc or g++ the following program:
 > int main() { return 0; }
 > 
 > Then run "gdb a.out", and then type "b main" in gdb.
 > >Fix:
 > I don't know of any fix.
 
 Easy, use GDB 5.1.1.  Released for (among others) this exact reason.  I
 do wish we had not switched to a DWARF-2 default at the same time as
 this...
 
 -- 
 Daniel Jacobowitz                           Carnegie Mellon University
 MontaVista Software                         Debian GNU/Linux Developer