From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5F22C433EF for ; Tue, 8 Mar 2022 15:56:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348241AbiCHP5b (ORCPT ); Tue, 8 Mar 2022 10:57:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348049AbiCHP4F (ORCPT ); Tue, 8 Mar 2022 10:56:05 -0500 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED85A4F478 for ; Tue, 8 Mar 2022 07:55:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:References: Subject:Cc:To:From:Date:Message-ID:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To; bh=pvJTiNP5ceLdw6/edn6fcpO+Sqt+miAq8Ka0H1NrBcI=; b=f+GA1mffk93cK2gqR4bqI7sw0S NIYj7FziL/SQ9pyhNealxp0z8GHMqR4bRlNFgumiKFTLSfWvGr/ZjMiRxIlRq4yC0uT8ooxw8P338 yYiT8yUdgYNEGGl40v9Y16WoCA0H2DF6f2IL0ht81/2hwl6HjxZnZ5LjsWMh/VIqW9l3PnacfxnIl yWwe6TJJUU6QIZO4W9Z4cZ0ARqiCs69i3bZ8LtYO/dcGQhU+ELXq0cn+HRZ8QmeDCrrLznCmjuhoC /spHCxXAixlVq1nV/gT4MTsAFxQ8Y466E+YpEMkbNktIdQTlGuQr15imFngyUD9WMZbCxnB+LQegK de5FbCsQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nRcAc-00GUiO-2Y; Tue, 08 Mar 2022 15:54:42 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 1F84F3007C6; Tue, 8 Mar 2022 16:54:40 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id C6DF62B55FFBD; Tue, 8 Mar 2022 16:54:38 +0100 (CET) Message-ID: <20220308154317.461283840@infradead.org> User-Agent: quilt/0.66 Date: Tue, 08 Mar 2022 16:30:16 +0100 From: Peter Zijlstra To: x86@kernel.org, joao@overdrivepizza.com, hjl.tools@gmail.com, jpoimboe@redhat.com, andrew.cooper3@citrix.com Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, ndesaulniers@google.com, keescook@chromium.org, samitolvanen@google.com, mark.rutland@arm.com, alyssa.milburn@intel.com, mbenes@suse.cz, rostedt@goodmis.org, mhiramat@kernel.org, alexei.starovoitov@gmail.com Subject: [PATCH v4 05/45] objtool: Have WARN_FUNC fall back to sym+off References: <20220308153011.021123062@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently WARN_FUNC() either prints func+off and failing that prints sec+off, add an intermediate sym+off. This is useful when playing around with entry code. Signed-off-by: Peter Zijlstra (Intel) --- tools/objtool/include/objtool/warn.h | 2 ++ 1 file changed, 2 insertions(+) --- a/tools/objtool/include/objtool/warn.h +++ b/tools/objtool/include/objtool/warn.h @@ -22,6 +22,8 @@ static inline char *offstr(struct sectio unsigned long name_off; func = find_func_containing(sec, offset); + if (!func) + func = find_symbol_containing(sec, offset); if (func) { name = func->name; name_off = offset - func->offset;