From patchwork Fri Feb 12 18:06:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Rzeszutek Wilk X-Patchwork-Id: 8294911 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1C63BC02AA for ; Fri, 12 Feb 2016 18:09:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3F3D32041D for ; Fri, 12 Feb 2016 18:09:19 +0000 (UTC) Received: from lists.xen.org (lists.xenproject.org [50.57.142.19]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 63E8420421 for ; Fri, 12 Feb 2016 18:09:18 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUI7P-00068C-Qp; Fri, 12 Feb 2016 18:06:59 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aUI7J-00063K-IJ for xen-devel@lists.xen.org; Fri, 12 Feb 2016 18:06:53 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 3B/4D-24450-C3F1EB65; Fri, 12 Feb 2016 18:06:52 +0000 X-Env-Sender: konrad@char.us.oracle.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1455300410!23444912!1 X-Originating-IP: [156.151.31.81] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTU2LjE1MS4zMS44MSA9PiAyODgzMzk=\n X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9976 invoked from network); 12 Feb 2016 18:06:51 -0000 Received: from userp1040.oracle.com (HELO userp1040.oracle.com) (156.151.31.81) by server-5.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 12 Feb 2016 18:06:51 -0000 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u1CI6ijT004475 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 12 Feb 2016 18:06:44 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u1CI6hev006102 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 12 Feb 2016 18:06:43 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u1CI6hxa017145; Fri, 12 Feb 2016 18:06:43 GMT Received: from char.us.oracle.com (/10.137.176.158) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 12 Feb 2016 10:06:43 -0800 Received: by char.us.oracle.com (Postfix, from userid 1000) id 87AC06A4BEC; Fri, 12 Feb 2016 13:06:41 -0500 (EST) From: Konrad Rzeszutek Wilk To: xen-devel@lists.xenproject.org, andrew.cooper3@citrix.com, konrad@kernel.org, mpohlack@amazon.de, ross.lagerwall@citrix.com, sasha.levin@citrix.com, jinsong.liu@alibaba-inc.com, Keir Fraser , Jan Beulich , xen-devel@lists.xen.org Date: Fri, 12 Feb 2016 13:06:01 -0500 Message-Id: <1455300361-13092-24-git-send-email-konrad.wilk@oracle.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1455300361-13092-1-git-send-email-konrad.wilk@oracle.com> References: <1455300361-13092-1-git-send-email-konrad.wilk@oracle.com> X-Source-IP: userv0022.oracle.com [156.151.31.74] Cc: Konrad Rzeszutek Wilk Subject: [Xen-devel] [PATCH v3 23/23] xsplice, hello_world: Use the XSPLICE_[UN|]LOAD_HOOK hooks for two functions. X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Konrad Rzeszutek Wilk --- xen/arch/x86/test/xen_hello_world.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/xen/arch/x86/test/xen_hello_world.c b/xen/arch/x86/test/xen_hello_world.c index 6200fbe..b6fa05e 100644 --- a/xen/arch/x86/test/xen_hello_world.c +++ b/xen/arch/x86/test/xen_hello_world.c @@ -1,7 +1,9 @@ #include #include +#include #include #include "config.h" +#include static char name[] = "xen_hello_world"; extern const char *xen_hello_world(void); @@ -9,6 +11,19 @@ extern const char *xen_hello_world(void); /* External symbol. */ extern const char *xen_extra_version(void); +void apply_hook(void) +{ + printk(KERN_DEBUG "Hook executing.\n"); +} + +void revert_hook(void) +{ + printk(KERN_DEBUG "Hook unloaded.\n"); +} + +xsplice_loadcall_t xsplice_load_data __section(".xsplice.hooks.load") = apply_hook; +xsplice_unloadcall_t xsplice_unload_data __section(".xsplice.hooks.unload") = revert_hook; + struct xsplice_patch_func __section(".xsplice.funcs") xsplice_xen_hello_world = { .name = name, .new_addr = (unsigned long)(xen_hello_world),