[Q] gdb on digital unix 3.2C

From: Christophe Colle <colle_at_krtkg1.rug.ac.be>
Date: Thu, 28 Dec 1995 16:36:34 +0100 (MET)

Dear managers,

A few weeks ago I made an upgrade from OSF 2.0 to 3.2C. Seems like
everything went fine till I tried to run gdb. When I try to run gdb on a
file which is generated on a digital 3.2C version I can't use the
back-trace option anymore.

I got a recurring stack in the __start () part.
(gdb) run
Starting program: /usr/users/colle/ircdir/a.out

Breakpoint 1, main () at ybot.c:82
82 connectIRC();
(gdb) ba
#0 main () at ybot.c:82
#1 0x120001770 in __start ()
#2 0x120001770 in __start ()
#3 0x120001770 in __start ()
#4 0x120001770 in __start ()
#5 0x120001770 in __start ()
#6 0x120001770 in __start ()


When i compile the same file on a machine running osf v2.0 I get this result:
(gdb) run
Starting program: /usr/users/colle/ircdir/a.out

Breakpoint 1, main () at ybot.c:82
82 connectIRC();
(gdb) ba
#0 main () at ybot.c:82



I did a file on the executables which were generated with both version of
OSF, and there seems to be a difference:

colle_at_krtkg1> file test.c.osf2.0
a.out: COFF format alpha dynamically linked, demand paged executable or
object module not stripped - version 3.11-4

colle_at_krtkg1> file test.c.du3.2c
a.out: COFF format alpha dynamically linked, demand paged executable or
object module not stripped - version 3.11-8


What makes gdb (which I recompiled on a digital unix 3.2c machine) fail
on the backtrace and are there any solutions to this problem?
I'm planning to upgrade our last machine to digital unix 3.2c, but before
I want to be sure that I will still be able to use gdb.

Any help is appreciated.

Thanks,


Christophe Colle

     | \ =============================================================
     | \ Colle Christophe Phone: +32-(0)9-2403955
     +---- mail: colle_at_krtkg1.rug.ac.be http://krtkg1.rug.ac.be/~colle
     |
 ----------+ When I'm not in Ghent, Then I'm probably Sailing
  \________| ======= Radiotherapy Department, Ghent =============
Received on Thu Dec 28 1995 - 16:56:05 NZDT

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