From patchwork Thu Dec 22 02:39:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 9484173 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8189E601D4 for ; Thu, 22 Dec 2016 02:42:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 79291282E2 for ; Thu, 22 Dec 2016 02:42:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6C94228210; Thu, 22 Dec 2016 02:42:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1395C28210 for ; Thu, 22 Dec 2016 02:42:54 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cJtIw-0005Tc-2r; Thu, 22 Dec 2016 02:40:26 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cJtIv-0005RW-0M for xen-devel@lists.xensource.com; Thu, 22 Dec 2016 02:40:25 +0000 Received: from [193.109.254.147] by server-1.bemta-6.messagelabs.com id CD/4F-27678-81D3B585; Thu, 22 Dec 2016 02:40:24 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrNLMWRWlGSWpSXmKPExsVybKJsh664bXS EwZwNRhb3prxnd2D02N63iz2AMYo1My8pvyKBNePEz9+sBVu4Ki6dWc7UwNjM2cXIxSEkMJVR 4vnF/2xdjJxAzjImiR/frLsYOTjYBHQlbt6WAKkREfjHJPFuUgMriMMs8IZb4uyqG+wgDcICL hK3599lBLFZBFQlbu/pYgGxeQXMJKb9eMoKYksIyEssPH+ECcTmFDCXeHLhAjvEshyJk5vusE PUZEjM65kDVe8lsejGJShbTeLquU3MExj5FjAyrGLUKE4tKkst0jU00UsqykzPKMlNzMzRNTQ w08tNLS5OTE/NSUwq1kvOz93ECAwUBiDYwXh9Y8AhRkkOJiVR3lPa0RFCfEn5KZUZicUZ8UWl OanFhxhlODiUJHjZbIBygkWp6akVaZk5wJCFSUtw8CiJ8G61BErzFhck5hZnpkOkTjEqSonz3 rIGSgiAJDJK8+DaYHFyiVFWSpiXEegQIZ6C1KLczBJU+VeM4hyMSsK820Gm8GTmlcBNfwW0mA lo8cLucJDFJYkIKakGxl2ds+XYJKv++Zo911/xa8rDCz2POdNs6yoZTkzQlJ7cMnl++q83vpM mF8bafgm694njbv4qsZ1/J/xh811jnCSTbzyxUz/4FdeC5WcUBYRurmc+v0SulDVczHnTl+WT n3rrrz94/KfVzKVLfwhP7iqbIc17JEaqeq23SMSajU8aWhnYHc9NS1JiKc5INNRiLipOBACNC 5rUjgIAAA== X-Env-Sender: mcgrof@kernel.org X-Msg-Ref: server-4.tower-27.messagelabs.com!1482374422!77829912!1 X-Originating-IP: [198.145.29.136] X-SpamReason: No, hits=0.0 required=7.0 tests=UPPERCASE_25_50 X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 40448 invoked from network); 22 Dec 2016 02:40:23 -0000 Received: from mail.kernel.org (HELO mail.kernel.org) (198.145.29.136) by server-4.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 22 Dec 2016 02:40:23 -0000 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 56F0E20465; Thu, 22 Dec 2016 02:40:21 +0000 (UTC) Received: from garbanzo.do-not-panic.com (c-73-15-241-2.hsd1.ca.comcast.net [73.15.241.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EADE82045B; Thu, 22 Dec 2016 02:40:17 +0000 (UTC) From: "Luis R. Rodriguez" To: hpa@zytor.com, acme@redhat.com, tglx@linutronix.de, mingo@redhat.com, jpoimboe@redhat.com, bp@alien8.de, npiggin@gmail.com, mhiramat@kernel.org, masami.hiramatsu.pt@hitachi.com, jbaron@akamai.com, heiko.carstens@de.ibm.com, ananth@linux.vnet.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, realmz6@gmail.com, dalias@libc.org, linux@arm.linux.org.uk Date: Wed, 21 Dec 2016 18:39:56 -0800 Message-Id: <20161222023958.21306-5-mcgrof@kernel.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161222023958.21306-1-mcgrof@kernel.org> References: <1471642875-5957-1-git-send-email-mcgrof@kernel.org> <20161222023958.21306-1-mcgrof@kernel.org> X-Virus-Scanned: ClamAV using ClamSMTP Cc: gnomes@lxorguk.ukuu.org.uk, linux-ia64@vger.kernel.org, jkosina@suse.cz, benh@kernel.crashing.org, ming.lei@canonical.com, linux@rasmusvillemoes.dk, platform-driver-x86@vger.kernel.org, James.Bottomley@HansenPartnership.com, paul.gortmaker@windriver.com, paulus@samba.org, sparclinux@vger.kernel.org, wangnan0@huawei.com, mchehab@osg.samsung.com, linux-arch@vger.kernel.org, markus.heiser@darmarit.de, xen-devel@lists.xensource.com, msalter@redhat.com, linux-sh@vger.kernel.org, mpe@ellerman.id.au, joro@8bytes.org, x86@kernel.org, fontana@sharpeleven.org, dsahern@gmail.com, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, dvhart@infradead.org, dwmw2@infradead.org, linux@roeck-us.net, linux-xtensa@linux-xtensa.org, pali.rohar@gmail.com, keescook@chromium.org, arnd@arndb.de, jani.nikula@intel.com, will.deacon@arm.com, rusty@rustcorp.com.au, rostedt@goodmis.org, ak@linux.intel.com, namhyung@kernel.org, andriy.shevchenko@linux.intel.com, mcb30@ipxe.org, linux-kbuild@vger.kernel.org, alan@linux.intel.com, jgross@suse.com, chris@zankel.net, pebolle@tiscali.nl, tony.luck@intel.com, jcmvbkbc@gmail.com, gregkh@linuxfoundation.org, dmitry.torokhov@gmail.com, adrian.hunter@intel.com, luto@amacapital.net, "Luis R. Rodriguez" , mmarek@suse.com, david.vrabel@citrix.com, jolsa@kernel.org, andrew.cooper3@citrix.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, korea.drzix@gmail.com Subject: [Xen-devel] [PATCH v2 4/6] tools: expand export.h with VMLINUX_SYMBOL() X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This will be used later by the linker-table userspace sandbox. Signed-off-by: Luis R. Rodriguez --- tools/include/linux/export.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/include/linux/export.h b/tools/include/linux/export.h index d07e586b9ba0..cb7d6b490e08 100644 --- a/tools/include/linux/export.h +++ b/tools/include/linux/export.h @@ -1,6 +1,28 @@ #ifndef _TOOLS_LINUX_EXPORT_H_ #define _TOOLS_LINUX_EXPORT_H_ +/* + * Export symbols from the kernel to modules. Forked from module.h + * to reduce the amount of pointless cruft we feed to gcc when only + * exporting a simple symbol or two. + * + * Try not to add #includes here. It slows compilation and makes kernel + * hackers place grumpy comments in header files. + */ + +/* Some toolchains use a `_' prefix for all user symbols. */ +#ifdef CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX +#define __VMLINUX_SYMBOL(x) _##x +#define __VMLINUX_SYMBOL_STR(x) "_" #x +#else +#define __VMLINUX_SYMBOL(x) x +#define __VMLINUX_SYMBOL_STR(x) #x +#endif + +/* Indirect, so macros are expanded before pasting. */ +#define VMLINUX_SYMBOL(x) __VMLINUX_SYMBOL(x) +#define VMLINUX_SYMBOL_STR(x) __VMLINUX_SYMBOL_STR(x) + #define EXPORT_SYMBOL(sym) #define EXPORT_SYMBOL_GPL(sym) #define EXPORT_SYMBOL_GPL_FUTURE(sym)