From patchwork Thu Aug 13 22:26:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 1344514 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=FPRhz+Uf; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4BSM6r0r4dz9sPB for ; Fri, 14 Aug 2020 08:43:32 +1000 (AEST) Received: from localhost ([::1]:54952 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k6LwX-0007I1-Qo for incoming@patchwork.ozlabs.org; Thu, 13 Aug 2020 18:43:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36466) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k6Lgh-0005im-Vr for qemu-devel@nongnu.org; Thu, 13 Aug 2020 18:27:07 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:60919 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k6Lgg-0002vH-5f for qemu-devel@nongnu.org; Thu, 13 Aug 2020 18:27:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597357625; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dC75jBbWnZuGuRiE4XLHoj/ZZKtouKfKpeAWG3nMFAE=; b=FPRhz+Uf6QfvJUGIpFp8ePLL+KRNdLENyb9SfUwPXc9NHLdZnreuZNIZdWHqxEJDtYbLEz zEJHtEJ92I+dr1SZG6/ykboYJYpxFLkD0lth7AQA69G2O4lzr0r7eaj+Wkl9yET1jhE0Nk 4vq2MZzgczgVnzc52teYyGX4SWIoRQQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-269-n1ll3z8ONHO7v08QUVL37Q-1; Thu, 13 Aug 2020 18:27:03 -0400 X-MC-Unique: n1ll3z8ONHO7v08QUVL37Q-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AF916100CA89 for ; Thu, 13 Aug 2020 22:27:02 +0000 (UTC) Received: from localhost (ovpn-117-153.rdu2.redhat.com [10.10.117.153]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6754E747A2; Thu, 13 Aug 2020 22:27:02 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH 29/41] qom: DECLARE_*_CHECKERS macros Date: Thu, 13 Aug 2020 18:26:13 -0400 Message-Id: <20200813222625.243136-30-ehabkost@redhat.com> In-Reply-To: <20200813222625.243136-1-ehabkost@redhat.com> References: <20200813222625.243136-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/13 18:26:34 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , "Daniel P. Berrange" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Sometimes the typedefs are buried inside another header, but we want to benefit from the automatic definition of type cast functions. Introduce macros that will let type checkers be defined when typedefs are already available. Signed-off-by: Eduardo Habkost Reviewed-by: Daniel P. Berrangé --- include/qom/object.h | 72 +++++++++++++++++++++++++++++++++++--------- 1 file changed, 58 insertions(+), 14 deletions(-) diff --git a/include/qom/object.h b/include/qom/object.h index 500e7dfa99..4cd84998c2 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -553,6 +553,62 @@ struct Object Object *parent; }; +/** + * DECLARE_INSTANCE_CHECKER: + * @InstanceType: instance struct name + * @OBJ_NAME: the object name in uppercase with underscore separators + * @TYPENAME: type name + * + * Direct usage of this macro should be avoided, and the complete + * OBJECT_DECLARE_TYPE macro is recommended instead. + * + * This macro will provide the three standard type cast functions for a + * QOM type. + */ +#define DECLARE_INSTANCE_CHECKER(InstanceType, OBJ_NAME, TYPENAME) \ + static inline G_GNUC_UNUSED InstanceType * \ + OBJ_NAME(void *obj) \ + { return OBJECT_CHECK(InstanceType, obj, TYPENAME); } + +/** + * DECLARE_CLASS_CHECKERS: + * @ClassType: class struct name + * @OBJ_NAME: the object name in uppercase with underscore separators + * @TYPENAME: type name + * + * Direct usage of this macro should be avoided, and the complete + * OBJECT_DECLARE_TYPE macro is recommended instead. + * + * This macro will provide the three standard type cast functions for a + * QOM type. + */ +#define DECLARE_CLASS_CHECKERS(ClassType, OBJ_NAME, TYPENAME) \ + static inline G_GNUC_UNUSED ClassType * \ + OBJ_NAME##_GET_CLASS(void *obj) \ + { return OBJECT_GET_CLASS(ClassType, obj, TYPENAME); } \ + \ + static inline G_GNUC_UNUSED ClassType * \ + OBJ_NAME##_CLASS(void *klass) \ + { return OBJECT_CLASS_CHECK(ClassType, klass, TYPENAME); } + +/** + * DECLARE_OBJ_CHECKERS: + * @InstanceType: instance struct name + * @ClassType: class struct name + * @OBJ_NAME: the object name in uppercase with underscore separators + * @TYPENAME: type name + * + * Direct usage of this macro should be avoided, and the complete + * OBJECT_DECLARE_TYPE macro is recommended instead. + * + * This macro will provide the three standard type cast functions for a + * QOM type. + */ +#define DECLARE_OBJ_CHECKERS(InstanceType, ClassType, OBJ_NAME, TYPENAME) \ + DECLARE_INSTANCE_CHECKER(InstanceType, OBJ_NAME, TYPENAME) \ + \ + DECLARE_CLASS_CHECKERS(ClassType, OBJ_NAME, TYPENAME) + /** * OBJECT_DECLARE_TYPE: * @InstanceType: instance struct name @@ -574,20 +630,8 @@ struct Object \ G_DEFINE_AUTOPTR_CLEANUP_FUNC(InstanceType, object_unref) \ \ - static inline G_GNUC_UNUSED ClassType * \ - MODULE_OBJ_NAME##_GET_CLASS(void *obj) \ - { return OBJECT_GET_CLASS(ClassType, obj, \ - TYPE_##MODULE_OBJ_NAME); } \ - \ - static inline G_GNUC_UNUSED ClassType * \ - MODULE_OBJ_NAME##_CLASS(void *klass) \ - { return OBJECT_CLASS_CHECK(ClassType, klass, \ - TYPE_##MODULE_OBJ_NAME); } \ - \ - static inline G_GNUC_UNUSED InstanceType * \ - MODULE_OBJ_NAME(void *obj) \ - { return OBJECT_CHECK(InstanceType, obj, \ - TYPE_##MODULE_OBJ_NAME); } + DECLARE_OBJ_CHECKERS(InstanceType, ClassType, \ + MODULE_OBJ_NAME, TYPE_##MODULE_OBJ_NAME) /** * OBJECT_DECLARE_SIMPLE_TYPE: