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Message-ID: <457AE57F.9000807@iki.fi>
Date: Sat, 09 Dec 2006 18:34:07 +0200
From: Andris Pavenis <andris DOT pavenis AT iki DOT fi>
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To: Gordon DOT Schumacher AT seagate DOT com
Cc: djgpp AT delorie DOT com
X-ASG-Orig-Subj: Re: Profiling with -pg and arguments to main() - GCC 4.1.0
Subject: Re: Profiling with -pg and arguments to main() - GCC 4.1.0
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Reply-To: djgpp AT delorie DOT com

Gordon DOT Schumacher AT seagate DOT com kirjoitti:
> I've discovered a strange bug in applications compiled with the -pg switch
> (at least with the setup I have).  The file test.c contains the following:
> 
> #include <stdio.h>
> int main(int argc, char *argv[], char *envp[])
> {
>    printf("argc/argv/envp are at %p %p %p\n", &argc, &argv, &envp);
>    return 0;
> }
> 
> bash-2.05b $ gcc test.c -o test.exe && ./test.exe
> argc/argv/envp are at 92c38 92c3c 92c40
> 
> bash-2.05b $ gcc test.c -o test.exe -pg && ./test.exe
> argc/argv/envp are at 0 4 8
> 
> 
> The culprit appears to be my GCC version: I'm running with v4.1.0.  If I
> drop back to v4.0.1 it works fine.  I've tried both DJGPP v2.04 and
> v2.03; this makes no difference (I am generally using v2.04).

Wanted to suggest trying my build of gcc-4.1.1:
	http://ap1.pp.fi/djgpp/gcc/4.1.1/gcc411.html

Verified however (Linux, Fedora Core 6, Dosemu-1.3.3, ...), that this 
problem appears also with gcc-4.1.1.

It does not however happen with Linux version of GCC-4.1.1 (FC6 version, 
not FSF one).

Andris