From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cagney <ac131313@cygnus.com>
To: Eli Zaretskii <eliz@is.elta.co.il>, jason-swarelist@molenda.com
Cc: gdb-patches@sources.redhat.com, tromey@cygnus.com
Subject: Re: [RFA] Version 2 of patch to add 'maint profile-gdb' command
Date: Mon, 17 Sep 2001 22:43:00 -0000
Message-id: <3BA6DEE6.1020700@cygnus.com>
References: <20010910003022.A21681@shell17.ba.best.com> <3B9CE0C6.5060700@cygnus.com> <20010910115244.A25119@shell17.ba.best.com> <3B9FACDA.6070407@cygnus.com> <20010916174433.A3258@shell17.ba.best.com> <200109170536.HAA21988@is.elta.co.il>
X-SW-Source: 2001-09/msg00216.html

> 
> Emacs uses monstartup and manages to solve both of these problems.
> See the file src/emacs.c (search for "etext") for the details.

from emacs 20.7:

>   /* Gerd Moellmann <gerd@acm.org> says this makes profiling work on
>      FreeBSD.  It might work on some other systems too.
>      Give it a try and tell me if it works on your system.  */
> #ifdef __FreeBSD__
> #ifdef PROFILING
>   if (initialized)
>     {
>       extern void _mcleanup ();       
>       extern char etext;
>       extern Lisp_Object Fredraw_frame ();
>       atexit (_mcleanup);
>       /* This uses Fredraw_frame because that function
>          comes first in the Emacs executable.
>          It might be better to use something that gives
>          the start of the text segment, but start_of_text
>          is not defined on all systems now.  */
>       monstartup (Fredraw_frame, &etext);
>     }
>   else
>     moncontrol (0);
> #endif
> #endif

I get the feeling that this is work in progress.  I'd, for the moment, 
suggest using Jason's mechanism - it isn't perfect  but it works. 
Someone can later make it more fancy.

Andrew