From patchwork Fri Mar 23 02:50:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans-Peter Nilsson X-Patchwork-Id: 889761 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-475327-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=axis.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="bdEDlZS1"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 406p1r2bDWz9s0v for ; Fri, 23 Mar 2018 13:50:40 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :message-id:from:to:cc:subject:mime-version:content-type :content-transfer-encoding; q=dns; s=default; b=szggcwtyxbmMLvWh 9TGDHDSKqusI2GfAtazzW/cPWnFnKYI5zSixRHJ8RUuIMn0+bYZz3M/hA7G9vTNs 62HLTMQFep8ltW8k5IY1LcGSumlYlaBc5JXEYVSkhIybwVZX9q2kqiDM+Ap/8QnR l267HdBV3yYMv/yhcCSyDpoDH5w= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :message-id:from:to:cc:subject:mime-version:content-type :content-transfer-encoding; s=default; bh=f6wx7eyDYggqB2XN2od6zn eLHfo=; b=bdEDlZS1cHeCjeSKLbVKFisQ9MPglQTUsdyX6eKXXZ/hzoPRyEZEoX jnVOWtDFBqo1L1GOpAcp7IZooehpLXKN7JSshtH/iyYikUMs5PqN/vCClssNQJMV wEvPZRc6XyBOCMK/tpbFevncaC3wSIe/C6QqNCOCTJBASj5tW+SZM= Received: (qmail 121514 invoked by alias); 23 Mar 2018 02:50:33 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 121503 invoked by uid 89); 23 Mar 2018 02:50:32 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-25.3 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS, T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy= X-HELO: bastet.se.axis.com Received: from bastet.se.axis.com (HELO bastet.se.axis.com) (195.60.68.11) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 23 Mar 2018 02:50:31 +0000 Received: from localhost (localhost [127.0.0.1]) by bastet.se.axis.com (Postfix) with ESMTP id C5C4A1857A; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from bastet.se.axis.com ([IPv6:::ffff:127.0.0.1]) by localhost (bastet.se.axis.com [::ffff:127.0.0.1]) (amavisd-new, port 10024) with LMTP id C17irnMLMLi7; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from boulder02.se.axis.com (boulder02.se.axis.com [10.0.8.16]) by bastet.se.axis.com (Postfix) with ESMTPS id 355F21856F; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from boulder02.se.axis.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2639A1A08B; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from boulder02.se.axis.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1B0591A08A; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from seth.se.axis.com (unknown [10.0.2.172]) by boulder02.se.axis.com (Postfix) with ESMTP; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from ignucius.se.axis.com (ignucius.se.axis.com [10.88.21.50]) by seth.se.axis.com (Postfix) with ESMTP id 0E7541839; Fri, 23 Mar 2018 03:50:29 +0100 (CET) Received: from ignucius.se.axis.com (localhost [127.0.0.1]) by ignucius.se.axis.com (8.12.8p1/8.12.8/Debian-2woody1) with ESMTP id w2N2oSg8005491; Fri, 23 Mar 2018 03:50:28 +0100 Received: (from hp@localhost) by ignucius.se.axis.com (8.12.8p1/8.12.8/Debian-2woody1) id w2N2oSMr005487; Fri, 23 Mar 2018 03:50:28 +0100 Date: Fri, 23 Mar 2018 03:50:28 +0100 Message-Id: <201803230250.w2N2oSMr005487@ignucius.se.axis.com> From: Hans-Peter Nilsson To: gcc-patches@gcc.gnu.org CC: xiaoyur347@gmail.com, clm@codesourcery.com, matthew.fortune@imgtec.com Subject: [PATCH 1/4] ASAN for MIPS: Add __sanitizer.lock.pad initializer, shutting up a warning MIME-Version: 1.0 X-TM-AS-GCONF: 00 This appears to be present in compiler-rt upstream, but as part of more intrusive changes. For gcc, the lack of this results in a fatal warning (-Werror) at build-time. libsanitizer: * sanitizer_common/sanitizer_atomic_clang_other.h [_MIPS_SIM && _MIPS_SIM == _ABIO32] (lock): Add initializer for .pad member. diff --git a/libsanitizer/sanitizer_common/sanitizer_atomic_clang_other.h b/libsanitizer/sanitizer_common/sanitizer_atomic_clang_other.h index a0605bb..59e9f64 100644 --- a/libsanitizer/sanitizer_common/sanitizer_atomic_clang_other.h +++ b/libsanitizer/sanitizer_common/sanitizer_atomic_clang_other.h @@ -35,7 +35,7 @@ static void __spin_unlock(volatile int *lock) { __sync_lock_release(lock); } static struct { int lock; char pad[32 - sizeof(int)]; -} __attribute__((aligned(32))) lock = {0}; +} __attribute__((aligned(32))) lock = {0, {0}}; template T __mips_sync_fetch_and_add(volatile T *ptr, T val) {