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-rw-r--r--src/VBox/Runtime/testcase/tstLdrObj.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstLdrObj.cpp b/src/VBox/Runtime/testcase/tstLdrObj.cpp
new file mode 100644
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+++ b/src/VBox/Runtime/testcase/tstLdrObj.cpp
@@ -0,0 +1,108 @@
+/* $Id: tstLdrObj.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) 2006-2020 Oracle Corporation
+ *
+ * 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.
+ */
+
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#ifndef IN_RC
+# error "not IN_RC!"
+#endif
+#include <VBox/dis.h>
+#include <VBox/vmm/vm.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)
+{
+ g_VM.fGlobalForcedActions = 0;
+ strcpy(achBss, szStr2);
+ memcpy(achBss, szStr1, sizeof(szStr1));
+ memcpy(achBss, &g_VM, RT_MIN(sizeof(g_VM), sizeof(achBss)));
+ 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)
+{
+ memcpy(pvBuf, &g_VM, sizeof(g_VM));
+ return g_VM.fGlobalForcedActions;
+}
+
+
+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;
+ 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;
+}
+