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Article #2226

Re: gdb seems broken on Next 3.0 Turbo color

#2226
From: Drew Davidson
Date: Thu, 21 Jan 1993 15:43
65 lines
3127 bytes
In article <1993Jan21.013214.28984@slate.mines.colorado.edu>  
lpratt@slate.mines.colorado.edu (Lorien Pratt) writes:
> Hi,
>  I'm running gdb for the first time on my new NeXT, and it seems broken.
> I wonder if anybody could help me.  Here are the symptoms:
> 
> mple.c
> main ()
> { int i;
> 
>   for (i = 0; i < 5; i++)
>     if (!i) i += 3; else if (i == 4) i += 2;
> }
> % cc -g simple.c -o simple
> % gdb simple
> Reading symbol data from simple...done.
> Reading symbol data from /usr/shlib/libsys_s.B.shlib...done.
> (gdb) list
> 1       main ()
> 2       { int i;
> 3
> 4         for (i = 0; i < 5; i++)
> 5           if (!i) i += 3; else if (i == 4) i += 2;
> 6       }
> (gdb) break 5
> Breakpoint 1 at 0x3eae: file simple.c:5.
> (gdb) run
> Starting program: /Users/lpratt/simple 
> Program generated(1): Memory access
> exception on address 0x50088f0 (invalid address).
> Program generated(1): Memory access exception on address 0x50088f0 (invalid
> address).
> Program generated(1): Memory access exception on address 0x50088f0 (invalid
> address).
> Program generated(1): Memory access exception on address 0x50088f0 (invalid
> address).
> Program generated(1): Memory access exception on address 0x50088f0 (invalid
> address).
> Program generated(1): Memory access exception on address 0x50088f0 (invalid
> address).
> etc. etc. ad infinitum....!
>  
------------------------------------------------------------------------------
> I wonder if anybody's run into this symptom before, or knows what's wrong?
> Thanks in advance for any ideas or pointers!
>   --Lori

I ran this on a Turbo Color under 3.0 and it worked fine.  Except for the fact  
that on mine, the message after the breakpoint setting was "Breakpoint 1, main  
() at simple.c:5" instead of "Breakpoint 1 at 0x3eae: file simple.c:5".  Could  
this be significant?  Hmmmm...

> -- 
> L. Y. Pratt                           Dept. of Math and Computer Science
> lpratt@franklinite.mines.colorado.edu Colorado School of Mines    
> (303) 273-3878 (work)                 402 Stratton                
> (303) 278-4552 (home)                 Golden, CO 80401, USA      

--
+--------------------------------+-------------------------------------------+
|        Drew  Davidson          | "Never ask a programmer if he'll have     |
|         Software Guy           |  another cup of coffee because it's       |
| First National Bank of Chicago |  nobody's damn business how much he's     |
|     drew@fnbc.com  (NeXTmail)  |  already had!"       - me                 |
+--------------------------------+-------------------------------------------+
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Message-ID: <1993Jan21.154318.21619@fnbc.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!psinntp!juliet!news
References: <1993Jan21.013214.28984@slate.mines.colorado.edu>

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Newsgroups: comp.sys.next.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!psinntp!juliet!news
From: drew@fnbc.com (Drew Davidson)
Subject: Re: gdb seems broken on Next 3.0 Turbo color
Message-ID: <1993Jan21.154318.21619@fnbc.com>
Sender: news@fnbc.com
Reply-To: drew@fnbc.com
Organization: First National Bank Of Chicago, Chicago IL, USA
References: <1993Jan21.013214.28984@slate.mines.colorado.edu>
Date: Thu, 21 Jan 93 15:43:18 GMT
Lines: 65