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List:       freebsd-hackers
Subject:    Re: Where is Gdb's start command?
From:       Greg 'groggy' Lehey <grog () FreeBSD ! org>
Date:       2016-12-19 22:18:55
Message-ID: 20161219221855.GB16173 () eureka ! lemis ! com
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On Monday, 19 December 2016 at 22:51:15 +0100, Bertram Scharpf wrote:
> Hi,
>
> I do not actually want to debug something but rather write
> some Gdb examples for a tutorial. I would like the program
> to stop at the first instruction of main(). Normally I do
> this using the command "start".

I've never seen this before.

> But on my FreeBSD this command doesn't seem to exist.
>
>   (gdb) n
>   The program is not being run.
>   (gdb) start
>   Undefined command: "start".  Try "help".
>   (gdb) help start
>   Undefined command: "start".  Try "help".
>
> Why isn't it defined? What should I say instead?

It is defined, just not in terms that you're expecting.  run or r.
But that will run the program.  First you need to set a breakpoint
where you want to stop:

(gdb) b main
(gbb) r

Greg
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