delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2008/03/05/03:48:01

X-Recipient: archive-cygwin AT delorie DOT com
X-Spam-Check-By: sourceware.org
To: cygwin AT cygwin DOT com
From: Matthieu CASTET <matthieu DOT castet AT parrot DOT com>
Subject: Usage of =?utf-8?b?TERfUFJFTE9BRA==?=
Date: Wed, 5 Mar 2008 08:47:13 +0000 (UTC)
Lines: 32
Message-ID: <loom.20080305T083145-971@post.gmane.org>
Mime-Version: 1.0
User-Agent: Loom/3.14 (http://gmane.org/)
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

Hi,

I am trying to use LD_PRELOAD on cygwin, but I don't manage to make work.
I suppose I do something wrong when creating my library.

What I do is :

$ cat << EOF > /tmp/toto1.c 
#include <sys/stat.h>
int chmod(const char *path, mode_t mode)
{
  printf("123\n");
  return -1;
}
EOF

$ module=toto1 gcc -shared -o /tmp/cyg${module}.dll    
-Wl,--out-implib=lib${module}.dll.a     -Wl,--export-all-symbols    
-Wl,--enable-auto-import -Wl,--whole-archive /tmp/toto1.c -Wl,--no-whole-archive

$ export LD_PRELOAD=/tmp/cygtoto1.dll

$ chmod a+w /tmp/toto1.c <-- chmod isn't redirected here (but the 
library is loaded).


Any idea why it doesn't work ?

Thanks

Matthieu



--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019