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Wed, 02 Jun 2021 05:17:48 -0400 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-395-bIO2USUYOkK5VCRydZ9PnA-1; Wed, 02 Jun 2021 05:17:43 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 536CC107ACE6; Wed, 2 Jun 2021 09:17:42 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-84.ams2.redhat.com [10.36.112.84]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0356B1002EF0; Wed, 2 Jun 2021 09:17:29 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 8401C180087D; Wed, 2 Jun 2021 11:17:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1622625464; 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=adTVVJEPZdSvV0XUZRnaYT48XleLc7OPqo1SzNBkzbY=; b=Gi3JCz+yhftXAbhn2fB+gWE5z7cFHlTSeonHDKgsgACIk/q60F6IqVnPKTadbVqK6Vk0hw I9xAQok5URrd5nnMF36KIasffBG3tqWz7/I/Bpv8pON61R3pjDE/LM4My8GXAqA9pCHQPY Z+5HUs+p9dyvGunFKIZQ/psc82Wtubk= X-MC-Unique: bIO2USUYOkK5VCRydZ9PnA-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH 1/9] Add module metadata macros, add qxl module annotations Date: Wed, 2 Jun 2021 11:17:19 +0200 Message-Id: <20210602091727.1023563-2-kraxel@redhat.com> In-Reply-To: <20210602091727.1023563-1-kraxel@redhat.com> References: <20210602091727.1023563-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.371, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Thomas Huth , berrange@redhat.com, David Hildenbrand , Cornelia Huck , Richard Henderson , armbru@redhat.com, Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, Paolo Bonzini , "Michael S. Tsirkin" , Gerd Hoffmann , Samuel Thibault , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Stealing an idea from the linux kernel: Place module metadata in an .modinfo elf section. This patch adds macros and qxl module annotations as example. Signed-off-by: Gerd Hoffmann --- include/qemu/module.h | 18 ++++++++++++++++++ hw/display/qxl.c | 4 ++++ 2 files changed, 22 insertions(+) diff --git a/include/qemu/module.h b/include/qemu/module.h index 944d403cbd15..afb9656ba4e7 100644 --- a/include/qemu/module.h +++ b/include/qemu/module.h @@ -73,4 +73,22 @@ bool module_load_one(const char *prefix, const char *lib= _name, bool mayfail); void module_load_qom_one(const char *type); void module_load_qom_all(void); =20 +/* + * objdump -t -s -j .modinfo ${module}.so + */ + +#define ___PASTE(a, b) a##b +#define __PASTE(a, b) ___PASTE(a, b) + +#define modinfo(kind, value) \ + static const char __PASTE(kind, __LINE__)[] \ + __attribute__((__used__)) \ + __attribute__((section(".modinfo"))) \ + __attribute__((aligned(1))) \ + =3D stringify(kind) "=3D" value + +#define module_obj(name) modinfo(obj, name) +#define module_dep(name) modinfo(dep, name) +#define module_arch(name) modinfo(arch, name) + #endif diff --git a/hw/display/qxl.c b/hw/display/qxl.c index 6e1f8ff1b2a7..84f99088e0a0 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -2522,6 +2522,7 @@ static const TypeInfo qxl_primary_info =3D { .parent =3D TYPE_PCI_QXL, .class_init =3D qxl_primary_class_init, }; +module_obj("qxl-vga"); =20 static void qxl_secondary_class_init(ObjectClass *klass, void *data) { @@ -2538,6 +2539,7 @@ static const TypeInfo qxl_secondary_info =3D { .parent =3D TYPE_PCI_QXL, .class_init =3D qxl_secondary_class_init, }; +module_obj("qxl"); =20 static void qxl_register_types(void) { @@ -2547,3 +2549,5 @@ static void qxl_register_types(void) } =20 type_init(qxl_register_types) + +module_dep("ui-spice-core"); --=20 2.31.1