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banners=-,-,- X-VirusChecked: Checked Received: (qmail 51320 invoked from network); 19 Aug 2016 21:41:47 -0000 Received: from mail.kernel.org (HELO mail.kernel.org) (198.145.29.136) by server-4.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 19 Aug 2016 21:41:47 -0000 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A3F4920256; Fri, 19 Aug 2016 21:41:37 +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 AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5E75120268; Fri, 19 Aug 2016 21:41:34 +0000 (UTC) From: mcgrof@kernel.org To: acme@redhat.com, hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com, jpoimboe@redhat.com, bp@alien8.de, linux@arm.linux.org.uk, 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 Date: Fri, 19 Aug 2016 14:41:13 -0700 Message-Id: <1471642875-5957-6-git-send-email-mcgrof@kernel.org> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1471642875-5957-1-git-send-email-mcgrof@kernel.org> References: <1471642454-5679-1-git-send-email-mcgrof@kernel.org> <1471642875-5957-1-git-send-email-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, 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, x86@kernel.org, fontana@sharpeleven.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, dvhart@infradead.org, dwmw2@infradead.org, 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, 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, ananth@in.ibm.com, jcmvbkbc@gmail.com, gregkh@linuxfoundation.org, 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 v1 5/7] 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 From: "Luis R. Rodriguez" 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)