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From:	pavenis AT lanet DOT lv
To:	"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>, djgpp-workers AT delorie DOT com
Date:	Tue, 5 Feb 2002 17:26:18 +0200
MIME-Version:	1.0
Subject:	Re: gcc-3.X and GDB
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In-reply-to:	<3395-Mon04Feb2002212852+0200-eliz@is.elta.co.il>
References:	<200202041514 DOT QAA06374 AT lws256 DOT lu DOT erisoft DOT se> (message from Martin Stromberg on Mon, 4 Feb 2002 16:14:30 +0100 (MET))
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On 4 Feb 2002 at 21:28, Eli Zaretskii wrote:

> > From: Martin Stromberg <Martin DOT Stromberg AT epl DOT ericsson DOT se>
> > Date: Mon, 4 Feb 2002 16:14:30 +0100 (MET)
> > 
> > I compiled with "gcc -g -O2 c.c -o c" and then use gdb 4.18:
> > 
> > (gdb) br main
> > Breakpoint 1, main () at c.c:233
> > (gdb) r
> > Starting program: <some path>/c
> > 
> > Breakpoint 1, main () at c.c:233
> > Line number 233 out of range; c.c has 9 lines.
> 
> This is the same bug I reported several months ago; I don't think
> anyone has replied.  I don't have GCC 3.0.3 installed yet, but I
> tried with GCC 3.0.2, and I see the same problem with all versions of
> GDB, including the latest and greatest 5.1.1.
> 
> Andris, did you try Martin's example with GCC 3.0.3 and GDB 5.1.1,
> and didn't see the problem with COFF debug info?

I got similar trouble.  Didn't saw similar problems when tried the same
with gcc-3.0.3 Linux-to-DJGPP cross-compiler. Perhaps the trouble
is related to use of static object libraries without debug info.
 
> Try "objdump --debugging c.exe", and you will see a lot og bogus line
> numbers there.  So the problem is not in GDB, but either in GCC or in
> Binutils.
> 
> > My gcc 3.03 is dated Jan 29 18:20.
> > 
> > "gcc -gstabs -O2 c.c -o c" works fine.
> 
> Right, same here with GDB 5.1 and 5.1.1.
> 
> > "gcc -ggdb -O2 c.c -o c" or "gcc -gdwarf-2 -O2 c.c -o c" results in:
> > 
> > c:/temp\ccyuGCSP.s: Assembler messages:
> > c:/temp\ccyuGCSP.s:2: Warning: Missing string
> > c:/temp\ccyuGCSP.s:2: Error: Rest of line ignored. First ignored character is `1'.
> 
> This does work for me, so I think Andris is right: your Binutils need
> to be updated (I have the latest upload of 2.11.2 from SimTel).

I'm using now for most stuff (it may change when I'll run some scripts
under Linux to cross-build newer CVS snapshot):

D:\>as --version

GNU assembler 2.11.93 20020128
Copyright 2002 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License.  This program has absolutely no warranty.
This assembler was configured for a target of `i586-pc-msdosdjgpp'.

(2.11.2 is still used for building DJGPP binaries of GCC-3.X)

Andris

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