1 files changed, 119 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstLdrObjR0.cpp b/src/VBox/Runtime/testcase/tstLdrObjR0.cpp
new file mode 100644
index 00000000..09744e21
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstLdrObjR0.cpp
@@ -0,0 +1,119 @@
+/* $Id: tstLdrObjR0.cpp $ */
+/** @file
+ * IPRT - RTLdr test object.
+ *
+ * We use precompiled versions of this object for testing all the loaders.
+ *
+ * This is not supposed to be pretty or usable code, just something which
+ * make life difficult for the loader.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#ifndef IN_RING0
+# error "not IN_RING0!"
+#endif
+#include <VBox/dis.h>
+#include <VBox/disopcode.h>
+#include <iprt/string.h>
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+static const char szStr1[] = "some readonly string";
+static char szStr2[6000] = "some read/write string";
+static char achBss[8192];
+
+#ifdef VBOX_SOME_IMPORT_FUNCTION
+extern "C" DECLIMPORT(int) SomeImportFunction(void);
+#endif
+
+
+extern "C" DECLEXPORT(int) Entrypoint(void)
+{
+    strcpy(achBss, szStr2);
+    memcpy(achBss, szStr1, sizeof(szStr1));
+    memcpy(achBss, (void *)(uintptr_t)&Entrypoint, 32);
+#ifdef VBOX_SOME_IMPORT_FUNCTION
+    memcpy(achBss, (void *)(uintptr_t)&SomeImportFunction, 32);
+    return SomeImportFunction();
+#else
+    return 0;
+#endif
+}
+
+
+extern "C" DECLEXPORT(uint32_t) SomeExportFunction1(void *pvBuf)
+{
+    NOREF(pvBuf);
+    return achBss[0] + achBss[16384];
+}
+
+
+extern "C" DECLEXPORT(char *) SomeExportFunction2(void *pvBuf)
+{
+    NOREF(pvBuf);
+    return (char *)memcpy(achBss, szStr1, sizeof(szStr1));
+}
+
+
+extern "C" DECLEXPORT(char *) SomeExportFunction3(void *pvBuf)
+{
+    NOREF(pvBuf);
+    return (char *)memcpy(achBss, szStr2, strlen(szStr2));
+}
+
+
+extern "C" DECLEXPORT(void *) SomeExportFunction4(void)
+{
+    static unsigned cb;
+    DISCPUSTATE Cpu;
+
+    memset(&Cpu, 0, sizeof(Cpu));
+
+    DISInstr((void *)(uintptr_t)SomeExportFunction3, DISCPUMODE_32BIT, &Cpu, &cb);
+    return (void *)(uintptr_t)&SomeExportFunction1;
+}
+
+
+extern "C" DECLEXPORT(uintptr_t) SomeExportFunction5(void)
+{
+    return (uintptr_t)SomeExportFunction3(NULL) + (uintptr_t)SomeExportFunction2(NULL)
+         + (uintptr_t)SomeExportFunction1(NULL) + (uintptr_t)&SomeExportFunction4;
+}
+