From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from [10.3.1.93] (helo=sc8-sf-list1-new.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1FaCkN-0001eA-1U for user-mode-linux-devel@lists.sourceforge.net; Sun, 30 Apr 2006 07:18:03 -0700 Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1FaCkM-0001yi-A7 for user-mode-linux-devel@lists.sourceforge.net; Sun, 30 Apr 2006 07:18:02 -0700 Received: from host199-105.pool8255.interbusiness.it ([82.55.105.199] helo=zion.home.lan) by mail.sourceforge.net with esmtp (Exim 4.44) id 1FaCkL-0005ZK-Gr for user-mode-linux-devel@lists.sourceforge.net; Sun, 30 Apr 2006 07:18:02 -0700 From: "Paolo 'Blaisorblade' Giarrusso" Message-Id: <20060430141624.9060.12015.stgit@zion.home.lan> In-Reply-To: <20060430141512.9060.39338.stgit@zion.home.lan> References: <20060430141512.9060.39338.stgit@zion.home.lan> Subject: [uml-devel] [PATCH 7/7] uml: export symbols added by GCC hardened Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Sun, 30 Apr 2006 16:16:24 +0200 To: Andrew Morton Cc: Jeff Dike , linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net From: Paolo 'Blaisorblade' Giarrusso GCC hardened introduces additional symbol refererences (for the canary and friends), also in modules - add weak export_symbols for them. We already tested that the weak declaration creates no problem on both GCC's providing the function definition and on GCC's which don't provide it. Signed-off-by: Paolo 'Blaisorblade' Giarrusso --- arch/um/os-Linux/user_syms.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c index 2598158..3f33165 100644 --- a/arch/um/os-Linux/user_syms.c +++ b/arch/um/os-Linux/user_syms.c @@ -96,6 +96,13 @@ EXPORT_SYMBOL_PROTO(getuid); EXPORT_SYMBOL_PROTO(fsync); EXPORT_SYMBOL_PROTO(fdatasync); +/* Export symbols used by GCC for the stack protector. */ +extern void __stack_smash_handler(void *) __attribute__((weak)); +EXPORT_SYMBOL(__stack_smash_handler); + +extern long __guard __attribute__((weak)); +EXPORT_SYMBOL(__guard); + /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically ------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel