Index: trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibModule.cpp
===================================================================
--- trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibModule.cpp	(revision 28433)
+++ trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibModule.cpp	(revision 28433)
@@ -0,0 +1,122 @@
+/* $Id$ */
+/** @file
+ * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Shared modules.
+ */
+
+/*
+ * Copyright (C) 2007-2010 Sun Microsystems, Inc.
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
+ * Clara, CA 95054 USA or visit http://www.sun.com if you need
+ * additional information or have any questions.
+ */
+
+
+/*******************************************************************************
+*   Header Files                                                               *
+*******************************************************************************/
+#include "VBGLR3Internal.h"
+#include <iprt/mem.h>
+#include <iprt/string.h>
+
+/**
+ * Registers a new shared module for the VM
+ *
+ * @returns IPRT status code.
+ * @param   pszModuleName       Module name
+ * @param   pszVersion          Module version
+ * @param   GCBaseAddr          Module base address
+ * @param   cbModule            Module size
+ * @param   cRegions            Number of shared region descriptors
+ * @param   pRegions            Shared region(s)
+ */
+VBGLR3DECL(int) VbglR3RegisterSharedModule(char *pszModuleName, char *pszVersion, 
+                                           RTGCPTR64  GCBaseAddr, uint32_t cbModule,
+                                           unsigned cRegions, VMMDEVSHAREDREGIONDESC *pRegions)
+{
+    VMMDevSharedModuleRegistrationRequest *pReq;
+    int rc;
+
+    /* Sanity check. */
+    AssertReturn(cRegions < VMMDEVSHAREDREGIONDESC_MAX, VERR_INVALID_PARAMETER);
+
+    pReq = (VMMDevSharedModuleRegistrationRequest *)RTMemAllocZ(RT_OFFSETOF(VMMDevSharedModuleRegistrationRequest, aRegions[cRegions]));
+    AssertReturn(pReq, VERR_NO_MEMORY);
+
+    vmmdevInitRequest(&pReq->header, VMMDevReq_RegisterSharedModule);
+    pReq->GCBaseAddr    = GCBaseAddr;
+    pReq->cbModule      = cbModule;
+    pReq->cRegions      = cRegions;
+    for (unsigned i = 0; i < cRegions; i++)
+        pReq->aRegions[i] = pRegions[i];
+
+    if (    RTStrCopy(pReq->szName, sizeof(pReq->szName), pszModuleName) != VINF_SUCCESS
+        ||  RTStrCopy(pReq->szVersion, sizeof(pReq->szVersion), pszVersion) != VINF_SUCCESS)
+    {
+        rc = VERR_BUFFER_OVERFLOW;
+        goto end;
+    }
+
+    rc = vbglR3GRPerform(&pReq->header);
+
+end:
+    RTMemFree(pReq);
+    return rc;
+    
+}
+
+/**
+ * Unregisters a shared module for the VM
+ *
+ * @returns IPRT status code.
+ * @param   pszModuleName       Module name
+ * @param   pszVersion          Module version
+ * @param   GCBaseAddr          Module base address
+ * @param   cbModule            Module size
+ */
+VBGLR3DECL(int) VbglR3UnregisterSharedModule(char *pszModuleName, char *pszVersion, RTGCPTR64 GCBaseAddr, uint32_t cbModule)
+{
+    VMMDevSharedModuleUnregistrationRequest Req;
+
+    vmmdevInitRequest(&Req.header, VMMDevReq_UnregisterSharedModule);
+    Req.GCBaseAddr    = GCBaseAddr;
+    Req.cbModule      = cbModule;
+
+    if (    RTStrCopy(Req.szName, sizeof(Req.szName), pszModuleName) != VINF_SUCCESS
+        ||  RTStrCopy(Req.szVersion, sizeof(Req.szVersion), pszVersion) != VINF_SUCCESS)
+    {
+        return VERR_BUFFER_OVERFLOW;
+    }
+    return vbglR3GRPerform(&Req.header);
+}
+
+/**
+ * Checks regsitered modules for shared pages
+ *
+ * @returns IPRT status code.
+ */
+VBGLR3DECL(int) VbglR3CheckSharedModules()
+{
+    VMMDevSharedModuleCheckRequest Req;
+
+    vmmdevInitRequest(&Req.header, VMMDevReq_CheckSharedModules);
+    return vbglR3GRPerform(&Req.header);
+}
+
