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[2620:137:e000::1:20]) by mx.google.com with ESMTP id mq6-20020a17090b380600b002467fbfc021si2832926pjb.23.2023.04.12.12.10.10; Wed, 12 Apr 2023 12:10:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Wp5VgqhG; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229773AbjDLTDt (ORCPT + 99 others); Wed, 12 Apr 2023 15:03:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229484AbjDLTDr (ORCPT ); Wed, 12 Apr 2023 15:03:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7105CE69 for ; Wed, 12 Apr 2023 12:03:46 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0E1DC634CF for ; Wed, 12 Apr 2023 19:03:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38F9AC433EF; Wed, 12 Apr 2023 19:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1681326225; bh=tk0gTkVsrT2b6u/MIFUtJxjB1P/8QDFYpBCTGntsMPg=; h=From:To:Cc:Subject:Date:From; b=Wp5VgqhGAbdq0Nr4KwOnxNZYEXKARgd5f1YK0oWJuFMDeEbTAbm21VlhkUjh+OgKB GZLMH4oFr3tIQH+CKmP2Fps27kFmBe6tJTRnHdySyedVPtifsDf8d1fdjuzDKcjBlW v9KHEQtn5+hDKDE1R88HAQsiQpOo5CaOJLU9w07sRePOjiTUDlt90W/cYSYG3nS4FX fVVTUUAyLSL4U7Q663VOe1BIjuwCJIzcjQON+iUPUfFZYn718nEwC4cl/tm3LJdoch RngVhdjA847fSsPOvx16u6m5yz5jtXW9nZHdpDdUcP31Yn0shvrIlOOJugkdB1i8pu 71qWrFwwFIYzQ== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Miroslav Benes Subject: [PATCH v2 0/9] objtool: warning improvements Date: Wed, 12 Apr 2023 12:03:15 -0700 Message-Id: X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v2: - keep --backtrace - hard-code awk logic (don't use objdump-func script) - add OBJTOOL_VERBOSE=1 - add WARN_INSN() - several other improvements/fixes - best to review from scratch ;-) Josh Poimboeuf (9): scripts/objdump-func: Support multiple functions objtool: Add WARN_INSN() objtool: Limit unreachable warnings to once per function objtool: Add symbol iteration helpers objtool: Add verbose option for disassembling affected functions objtool: Include backtrace in verbose mode objtool: Remove superfluous dead_end_function() check objtool: Detect missing __noreturn annotations objtool: Ignore exc_double_fault() __noreturn warnings scripts/objdump-func | 34 +- tools/objtool/Documentation/objtool.txt | 11 + tools/objtool/builtin-check.c | 5 + tools/objtool/check.c | 421 +++++++++++++----------- tools/objtool/elf.c | 2 +- tools/objtool/include/objtool/builtin.h | 1 + tools/objtool/include/objtool/elf.h | 10 + tools/objtool/include/objtool/warn.h | 22 +- tools/objtool/orc_gen.c | 9 +- 9 files changed, 307 insertions(+), 208 deletions(-) -- 2.39.2