From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by sourceware.org (Postfix) with ESMTPS id C22DC3858D35 for ; Mon, 30 Aug 2021 11:44:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org C22DC3858D35 Received: by mail-ed1-x535.google.com with SMTP id j13so15808165edv.13 for ; Mon, 30 Aug 2021 04:44:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=WXhwwWBBO/8WCNn6timeYeeVZ2IfBpLflgM21TWAc2k=; b=doB9AhIwvLnyh5tkj7GGi5B0kOiaANafh8C00aFPXVf5AcFPf8ETw09JMZ6sHxCdaL Ipm5F+vuxgPWKAVLn0iDw3IrzhhsL52cMf7PN4sCt5B/I3+EUWZliqzKq8oBfp6Wc++z wqbivwjBVCRupzfmtlu6N5U7Dy9+z8fnvh4B7NCkE3uahmROCZ/oMxMNc+dIllgMxqtH xIoSbZmUq62EM7QCGWqcaYCgr18SDI9MVZUnNU7z4r2dsWhjyIku/j6pF83UaevKmBWF SPvbv+j8369KrJcv04GZHwJKDdYBsjgEWWe1DDqExp7pkAn23SCVjP4zDznEwhk+mfmZ Mlng== X-Gm-Message-State: AOAM5314z/3TuBUQBef3+ArG3KhWwFIz+om0DECqxkfQZIwoPL5LRn4V q19RlO62UYS7SYhY384tGeyueSqK8vlrIN5JtNE= X-Google-Smtp-Source: ABdhPJxidvPWj/8QrpCAzO6lIO9fqI5kltEaxY0wSYt3zvOo1kQUZH0rbtTl0SxOZzOGETkQCZfILZkN9XMIsJyhFY8= X-Received: by 2002:a05:6402:14d6:: with SMTP id f22mr23743653edx.274.1630323871117; Mon, 30 Aug 2021 04:44:31 -0700 (PDT) MIME-Version: 1.0 References: <20210817084120.14503-1-sebastian.huber@embedded-brains.de> <44e3b90a-365e-c2f4-ccd0-65d3ea7be2b9@embedded-brains.de> In-Reply-To: <44e3b90a-365e-c2f4-ccd0-65d3ea7be2b9@embedded-brains.de> From: Richard Biener Date: Mon, 30 Aug 2021 13:44:20 +0200 Message-ID: Subject: Re: [PATCH] Use __builtin_trap() for abort() if inhibit_libc To: Sebastian Huber Cc: Christophe Lyon , GCC Patches Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Aug 2021 11:44:43 -0000 On Mon, Aug 30, 2021 at 12:55 PM Sebastian Huber wrote: > > Hello Christophe, > > it seems there are a couple of more abort() declarations: > > libgcc/unwind-arm-common.inc:extern void abort (void); > libgcc/config/c6x/pr-support.c:extern void abort (void); > libgcc/config/arm/pr-support.c:extern void abort (void); > libgcc/config/arm/linux-atomic-64bit.c:extern void abort (void); > libgcc/fp-bit.c: external to abort if abort is not used by the > function, and the stubs > libgcc/fp-bit.c:extern void abort (void); > > I will prepare a patch. Less likley to break might be to simply wrap 'abort' in parentheses to avoid macro expansion? > -- > embedded brains GmbH > Herr Sebastian HUBER > Dornierstr. 4 > 82178 Puchheim > Germany > email: sebastian.huber@embedded-brains.de > phone: +49-89-18 94 741 - 16 > fax: +49-89-18 94 741 - 08 > > Registergericht: Amtsgericht M=C3=BCnchen > Registernummer: HRB 157899 > Vertretungsberechtigte Gesch=C3=A4ftsf=C3=BChrer: Peter Rasmussen, Thomas= D=C3=B6rfler > Unsere Datenschutzerkl=C3=A4rung finden Sie hier: > https://embedded-brains.de/datenschutzerklaerung/