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target exec, gdb, gfortran

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Ron Ford

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Jul 6, 2008, 2:16:13 AM7/6/08
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I thought I would ask a question that is decidedly non-political, although
I will admit that a frenchman made my fourth. As well as infinite
cheeseburgers, and, of course, jenny.

When I believe to be issuing commands to dos that will step me through gdb,
I receive counter-communication that talks of target exec.

What do I need to do to not read of "target exec" and step through?

Dankenstein,
--
Nevertheless, it is even harder for the average ape to believe that he has
descended from man.
H. L. Mencken

Antoninus Twink

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Jul 6, 2008, 3:35:34 AM7/6/08
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On 6 Jul 2008 at 6:16, Ron Ford wrote:
> When I believe to be issuing commands to dos that will step me through gdb,
> I receive counter-communication that talks of target exec.

What exactly does the error message say?

> What do I need to do to not read of "target exec" and step through?

What are you doing at the moment? Try something like

gdb ./myprog
[snip guff]
(gdb) b main
Breakpoint 1 at [wherever]
(gdb) r

Then use step/next/etc.

Ron Ford

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Jul 6, 2008, 4:16:47 AM7/6/08
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On Sun, 6 Jul 2008 07:35:34 +0000 (UTC), Antoninus Twink posted:

> (gdb) b main

I hang with gdb( foo) >text42.txt . Frenchman must be at fualt.
--
Wealth - any income that is at least one hundred dollars more a year than
the income of one's wife's sister's husband.
H. L. Mencken

Ron Ford

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Jul 7, 2008, 8:37:54 PM7/7/08
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On Sun, 6 Jul 2008 07:35:34 +0000 (UTC), Antoninus Twink posted:

> On 6 Jul 2008 at 6:16, Ron Ford wrote:

Thanks for the tips, Anton. I was doing a lot of things wrong
simultaneously. I can step through it now, but the only information it
tells me is what line I'm on and that I'm in fmain.c . The source is in
fortran, and I misposted to clc.

Since gdb is bigger than just one syntax, is there an ng where they talk
about it more thoroughly?
--
All men are frauds. The only difference between them is that some admit it.
I myself deny it.
H. L. Mencken

santosh

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Jul 7, 2008, 8:41:49 PM7/7/08
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Ron Ford wrote:

<snip>

> Since gdb is bigger than just one syntax, is there an ng where they
> talk about it more thoroughly?

gnu.gdb and gnu.gdb.bug.

Antoninus Twink

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Jul 8, 2008, 3:07:41 PM7/8/08
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On 8 Jul 2008 at 0:37, Ron Ford wrote:
> Thanks for the tips, Anton. I was doing a lot of things wrong
> simultaneously. I can step through it now, but the only information it
> tells me is what line I'm on and that I'm in fmain.c . The source is in
> fortran, and I misposted to clc.

It may be that you haven't included debugging symbols in your executable
- try investigating compilation options (e.g. -g).

> Since gdb is bigger than just one syntax, is there an ng where they talk
> about it more thoroughly?

I'd recommend here if you're debugging C code, or comp.lang.fortran if
you're debugging Fortran.

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