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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/testcase/tstLdrObjR0.cpp | 109 |
1 files changed, 109 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..e0303fb0 --- /dev/null +++ b/src/VBox/Runtime/testcase/tstLdrObjR0.cpp @@ -0,0 +1,109 @@ +/* $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) 2006-2019 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_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; +} + |