From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754149AbZHDL3Y (ORCPT ); Tue, 4 Aug 2009 07:29:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753718AbZHDL3X (ORCPT ); Tue, 4 Aug 2009 07:29:23 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:52071 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753448AbZHDL3W (ORCPT ); Tue, 4 Aug 2009 07:29:22 -0400 Date: Tue, 4 Aug 2009 13:28:59 +0200 From: Ingo Molnar To: Arnaldo Carvalho de Melo Cc: Kyle McMartin , Jens Axboe , Anton Blanchard , davem@davemloft.net, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, fweisbec@gmail.com, benh@kernel.crashing.org, penberg@cs.helsinki.fi, vegard.nossum@gmail.com, paulus@samba.org, williams@redhat.com Subject: Re: [PATCH] basic perf support for sparc Message-ID: <20090804112859.GA26607@elte.hu> References: <20090801011429.GA4685@kryten> <20090801082048.GX12579@kernel.dk> <20090801182216.GA25334@ghostprotocols.net> <20090802184148.GB17241@elte.hu> <20090802194454.GC28572@bombadil.infradead.org> <20090802195043.GD24486@elte.hu> <20090802201132.GE28572@bombadil.infradead.org> <20090802204701.GE25334@ghostprotocols.net> <20090803015430.GG25334@ghostprotocols.net> <20090804092540.GA29778@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090804092540.GA29778@elte.hu> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Btw., how about the solution below? Will the libbfd system library version override this weak alias properly? Ingo --------------> >>From 238762507bb41689df191160ada1986b012b57df Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 4 Aug 2009 13:27:41 +0200 Subject: [PATCH] perf_counter tools: Provide default bfd_demangle() function in case it's not around Provide weak alias (which does nothing) in case the system does not offer one. Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/util/symbol.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index b4fe057..7bd5128 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -8,6 +8,17 @@ #include #include +/* + * Weak wrapper in case a library version is not available: + */ +extern char * __attribute__((weak)) bfd_demangle (bfd *, const char *, int); + +char * __attribute__((weak)) + bfd_demangle (bfd *bfd __used, const char *name __used, int flags __used) +{ + return NULL; +} + const char *sym_hist_filter; #ifndef DMGL_PARAMS