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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 85EA5C05027 for ; Fri, 20 Jan 2023 12:33:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pIqU0-0002i0-6X; Fri, 20 Jan 2023 07:27:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pIqTp-0002RM-H8 for qemu-devel@nongnu.org; Fri, 20 Jan 2023 07:26:49 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pIqTn-0000HS-4B for qemu-devel@nongnu.org; Fri, 20 Jan 2023 07:26:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674217605; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=u2xJSazmcgHDGqVbV332HtLx10BqSvaJsXJvtTjSebc=; b=EFjdMtED6ejasL/bEu65v9DRoZJfx2zPFosEpadFyZpyyLYpPYYyipCJVjJtmBC3tt+88q HfMm0TDGMzpx8DWkmHW3pKMjM+fz9SGIg3gkMQudQSnZtDdGquvskSXtR2zOzA6/JmQlVQ RDOxLxXjWauIJgX8h9JlfKyUEvzbYJs= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-277-k_mXCjldMBuFutsH0zFm4w-1; Fri, 20 Jan 2023 07:26:42 -0500 X-MC-Unique: k_mXCjldMBuFutsH0zFm4w-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 35E263C16E85; Fri, 20 Jan 2023 12:26:42 +0000 (UTC) Received: from merkur.fritz.box (unknown [10.39.193.74]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6BA9440C6EC4; Fri, 20 Jan 2023 12:26:41 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: [PULL 04/38] coroutine: annotate coroutine_fn for libclang Date: Fri, 20 Jan 2023 13:25:59 +0100 Message-Id: <20230120122633.84983-5-kwolf@redhat.com> In-Reply-To: <20230120122633.84983-1-kwolf@redhat.com> References: <20230120122633.84983-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Alberto Faria Clang has a generic __annotate__ attribute that can be used by static analyzers to understand properties of functions and analyze the control flow. Furthermore, unlike TSA annotations, the __annotate__ attribute applies to function pointers as well. As a first step towards static analysis of coroutine_fn markers, attach the attribute to the marker when compiling with clang. Signed-off-by: Alberto Faria Signed-off-by: Paolo Bonzini Message-Id: <20221216110758.559947-2-pbonzini@redhat.com> Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- include/qemu/coroutine.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/qemu/coroutine.h b/include/qemu/coroutine.h index 89650a2d7f..b0c97f6fb7 100644 --- a/include/qemu/coroutine.h +++ b/include/qemu/coroutine.h @@ -42,7 +42,11 @@ * .... * } */ +#ifdef __clang__ +#define coroutine_fn __attribute__((__annotate__("coroutine_fn"))) +#else #define coroutine_fn +#endif typedef struct Coroutine Coroutine; -- 2.38.1