| 1 | /* $Id: tstLdrObjR0.cpp 44528 2013-02-04 14:27:54Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - RTLdr test object.
|
|---|
| 4 | *
|
|---|
| 5 | * We use precompiled versions of this object for testing all the loaders.
|
|---|
| 6 | *
|
|---|
| 7 | * This is not supposed to be pretty or usable code, just something which
|
|---|
| 8 | * make life difficult for the loader.
|
|---|
| 9 | */
|
|---|
| 10 |
|
|---|
| 11 | /*
|
|---|
| 12 | * Copyright (C) 2006-2012 Oracle Corporation
|
|---|
| 13 | *
|
|---|
| 14 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 15 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 16 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 17 | * General Public License (GPL) as published by the Free Software
|
|---|
| 18 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 19 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 20 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 21 | *
|
|---|
| 22 | * The contents of this file may alternatively be used under the terms
|
|---|
| 23 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 24 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 25 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 26 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 27 | *
|
|---|
| 28 | * You may elect to license modified versions of this file under the
|
|---|
| 29 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 30 | */
|
|---|
| 31 |
|
|---|
| 32 |
|
|---|
| 33 |
|
|---|
| 34 | /*******************************************************************************
|
|---|
| 35 | * Header Files *
|
|---|
| 36 | *******************************************************************************/
|
|---|
| 37 | #ifndef IN_RING0
|
|---|
| 38 | # error "not IN_RING0!"
|
|---|
| 39 | #endif
|
|---|
| 40 | #include <VBox/dis.h>
|
|---|
| 41 | #include <VBox/disopcode.h>
|
|---|
| 42 | #include <iprt/string.h>
|
|---|
| 43 |
|
|---|
| 44 |
|
|---|
| 45 | /*******************************************************************************
|
|---|
| 46 | * Global Variables *
|
|---|
| 47 | *******************************************************************************/
|
|---|
| 48 | static const char szStr1[] = "some readonly string";
|
|---|
| 49 | static char szStr2[6000] = "some read/write string";
|
|---|
| 50 | static char achBss[8192];
|
|---|
| 51 |
|
|---|
| 52 | #ifdef VBOX_SOME_IMPORT_FUNCTION
|
|---|
| 53 | extern "C" DECLIMPORT(int) SomeImportFunction(void);
|
|---|
| 54 | #endif
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | extern "C" DECLEXPORT(int) Entrypoint(void)
|
|---|
| 58 | {
|
|---|
| 59 | strcpy(achBss, szStr2);
|
|---|
| 60 | memcpy(achBss, szStr1, sizeof(szStr1));
|
|---|
| 61 | memcpy(achBss, (void *)(uintptr_t)&Entrypoint, 32);
|
|---|
| 62 | #ifdef VBOX_SOME_IMPORT_FUNCTION
|
|---|
| 63 | memcpy(achBss, (void *)(uintptr_t)&SomeImportFunction, 32);
|
|---|
| 64 | return SomeImportFunction();
|
|---|
| 65 | #else
|
|---|
| 66 | return 0;
|
|---|
| 67 | #endif
|
|---|
| 68 | }
|
|---|
| 69 |
|
|---|
| 70 |
|
|---|
| 71 | extern "C" DECLEXPORT(uint32_t) SomeExportFunction1(void *pvBuf)
|
|---|
| 72 | {
|
|---|
| 73 | NOREF(pvBuf);
|
|---|
| 74 | return achBss[0] + achBss[16384];
|
|---|
| 75 | }
|
|---|
| 76 |
|
|---|
| 77 |
|
|---|
| 78 | extern "C" DECLEXPORT(char *) SomeExportFunction2(void *pvBuf)
|
|---|
| 79 | {
|
|---|
| 80 | NOREF(pvBuf);
|
|---|
| 81 | return (char *)memcpy(achBss, szStr1, sizeof(szStr1));
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
| 84 |
|
|---|
| 85 | extern "C" DECLEXPORT(char *) SomeExportFunction3(void *pvBuf)
|
|---|
| 86 | {
|
|---|
| 87 | NOREF(pvBuf);
|
|---|
| 88 | return (char *)memcpy(achBss, szStr2, strlen(szStr2));
|
|---|
| 89 | }
|
|---|
| 90 |
|
|---|
| 91 |
|
|---|
| 92 | extern "C" DECLEXPORT(void *) SomeExportFunction4(void)
|
|---|
| 93 | {
|
|---|
| 94 | static unsigned cb;
|
|---|
| 95 | DISCPUSTATE Cpu;
|
|---|
| 96 |
|
|---|
| 97 | memset(&Cpu, 0, sizeof(Cpu));
|
|---|
| 98 |
|
|---|
| 99 | DISInstr((void *)(uintptr_t)SomeExportFunction3, DISCPUMODE_32BIT, &Cpu, &cb);
|
|---|
| 100 | return (void *)(uintptr_t)&SomeExportFunction1;
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 |
|
|---|
| 104 | extern "C" DECLEXPORT(uintptr_t) SomeExportFunction5(void)
|
|---|
| 105 | {
|
|---|
| 106 | return (uintptr_t)SomeExportFunction3(NULL) + (uintptr_t)SomeExportFunction2(NULL)
|
|---|
| 107 | + (uintptr_t)SomeExportFunction1(NULL) + (uintptr_t)&SomeExportFunction4;
|
|---|
| 108 | }
|
|---|
| 109 |
|
|---|
