X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f
X-Recipient: djgpp AT delorie DOT com
Message-ID: <55948ABD.8090707@iki.fi>
Date: Thu, 02 Jul 2015 03:50:05 +0300
From: "Andris Pavenis (andris DOT pavenis AT iki DOT fi) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:34.0) Gecko/20100101 Thunderbird/34.0
MIME-Version: 1.0
To: djgpp AT delorie DOT com
Subject: Re: gdb 7.0 and coff debug format failing.
References: <5591A7A2 DOT 70505 AT gmx DOT de> <95c7ca20-6371-403a-a3dd-99ef7c081785 AT googlegroups DOT com> <83mvzh2lnu DOT fsf AT gnu DOT org> <2e24b1c9-cff4-4154-9ad2-dc4bbe4d3ec6 AT googlegroups DOT com> <83egkt2ilw DOT fsf AT gnu DOT org> <55946256 DOT 4090804 AT gmx DOT de>
In-Reply-To: <55946256.4090804@gmx.de>
Content-Type: text/plain; charset=iso-8859-15; format=flowed
Content-Transfer-Encoding: 7bit
Reply-To: djgpp AT delorie DOT com

On 2.7.2015 0:57, Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via 
djgpp AT delorie DOT com] wrote:
> Am 30.06.2015 19:47, schrieb Eli Zaretskii (eliz AT gnu DOT org):
>>> Date: Tue, 30 Jun 2015 10:11:44 -0700 (PDT)
>>> From: "Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de)"<djgpp AT delorie DOT com>
>>>
>>> Can you tell me what binutils you are using?  I do not know if it is
>>> of any importance but we can try some older version that bnu22b.
>>
>> I have Binutils 2.19 here.
>
> OFYI, I have recompiled gdb771 using gcc510, bnu225br2 and djdev205.
> Then I have compiled the following test program using gcc346b, bnu225br2
> and djdev205:
>
> --------------------  b.c start --------------------
> --------------------  b.c end --------------------
>
> --------------------  a.c start --------------------
> --------------------  a.c end --------------------
>
> --------------------  gdb.txt start --------------------
> b main
> b 16
> b 7
> b b.c : 6
> r
> info source
> --------------------  gdb.txt end --------------------
>
> I am still not able to step into certain functions.  Specially if the
> functions
> are defined in different files.  I was able to step from main into print().
> But I was not able to step from inside print() into do_print().  Please
> note
> that the argument of do_print is the function allocate_string() defined
> in b.c.
>
> But if I write a control file for gdb like gdb.txt then it becomes
> possible to
> stop in every function no matter in which file it is defined.  This may
> be a
> little bit cumbersome but it seems to work.  I know that this is
> certainly not
> a "complex" program but I think that it demonstrates that a combination
> of gcc346b,
> bnu225br2, gdb771b (to be recompiled with djdev205) and djdev205 may be
> usefull
> to continue developing emacs.  Of course, in the end it must really be
> tried by
> compiling emacs.  Anything else will never give a definitive answer to
> this issue.

I tried also my year 2009 build of gdb-6.8 (never uploaded to 
ftp.delorie.com but most likely source of snapshot build Eli is using)

It behaves in exactly same way. So current problems is not a regression
since that time. I do not think that we can fix these problems without 
considerable work.

Andris

PS. My old build is still at http://ap1.pp.fi/djgpp/gdb/6.8/ and I gave 
this link sometimes to Eli 
(http://www.delorie.com/djgpp//mail-archives/browse.cgi?p=djgpp/2009/05/03/03:21:46)