| 1 | /* $Id: tstLdrObj.cpp 4071 2007-08-07 17:07:59Z vboxsync $ */
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| 2 | /** @file
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| 3 | * innotek Portable Runtime - RTLdr test object.
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| 4 | *
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| 5 | * We use precompiled versions of this object for testing all the loaders.
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| 6 | *
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| 7 | * This is not supposed to be pretty or usable code, just something which
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| 8 | * make life difficult for the loader.
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| 9 | */
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| 10 |
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| 11 | /*
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| 12 | * Copyright (C) 2006-2007 innotek GmbH
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| 13 | *
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| 14 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 15 | * available from http://www.virtualbox.org. This file is free software;
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| 16 | * you can redistribute it and/or modify it under the terms of the GNU
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| 17 | * General Public License as published by the Free Software Foundation,
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| 18 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 19 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 20 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 21 | */
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| 22 |
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| 23 |
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| 24 |
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| 25 | /*******************************************************************************
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| 26 | * Header Files *
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| 27 | *******************************************************************************/
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| 28 | #ifndef IN_GC
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| 29 | # error "not IN_GC!"
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| 30 | #endif
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| 31 | #include <VBox/dis.h>
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| 32 | #include <VBox/vm.h>
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| 33 | #include <iprt/string.h>
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| 34 |
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| 35 |
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| 36 | /*******************************************************************************
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| 37 | * Global Variables *
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| 38 | *******************************************************************************/
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| 39 | static const char szStr1[] = "some readonly string";
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| 40 | static char szStr2[6000] = "some read/write string";
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| 41 | static char achBss[8192];
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| 42 |
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| 43 | #ifdef VBOX_SOME_IMPORT_FUNCTION
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| 44 | extern "C" DECLIMPORT(int) SomeImportFunction(void);
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| 45 | #endif
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| 46 |
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| 47 |
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| 48 | extern "C" DECLEXPORT(int) Entrypoint(void)
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| 49 | {
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| 50 | g_VM.fRawR0Enabled = true;
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| 51 | g_VM.fRawR3Enabled = true;
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| 52 | g_VM.fForcedActions = 0;
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| 53 | strcpy(achBss, szStr2);
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| 54 | memcpy(achBss, szStr1, sizeof(szStr1));
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| 55 | memcpy(achBss, &g_VM, RT_MIN(sizeof(g_VM), sizeof(achBss)));
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| 56 | memcpy(achBss, (void *)(uintptr_t)&Entrypoint, 32);
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| 57 | #ifdef VBOX_SOME_IMPORT_FUNCTION
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| 58 | memcpy(achBss, (void *)(uintptr_t)&SomeImportFunction, 32);
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| 59 | return SomeImportFunction();
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| 60 | #else
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| 61 | return 0;
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| 62 | #endif
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| 63 | }
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| 64 |
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| 65 |
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| 66 | extern "C" DECLEXPORT(uint32_t) SomeExportFunction1(void *pvBuf)
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| 67 | {
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| 68 | memcpy(pvBuf, &g_VM, sizeof(g_VM));
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| 69 | return g_VM.fForcedActions;
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| 70 | }
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| 71 |
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| 72 |
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| 73 | extern "C" DECLEXPORT(char *) SomeExportFunction2(void *pvBuf)
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| 74 | {
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| 75 | return (char *)memcpy(achBss, szStr1, sizeof(szStr1));
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| 76 | }
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| 77 |
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| 78 |
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| 79 | extern "C" DECLEXPORT(char *) SomeExportFunction3(void *pvBuf)
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| 80 | {
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| 81 | return (char *)memcpy(achBss, szStr2, strlen(szStr2));
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| 82 | }
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| 83 |
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| 84 |
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| 85 | extern "C" DECLEXPORT(void *) SomeExportFunction4(void)
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| 86 | {
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| 87 | static unsigned cb;
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| 88 | DISCPUSTATE Cpu = {0};
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| 89 | DISCoreOne(&Cpu, (RTGCUINTPTR)SomeExportFunction3, &cb);
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| 90 | return (void *)(uintptr_t)&SomeExportFunction1;
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| 91 | }
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| 92 |
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| 93 |
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| 94 | extern "C" DECLEXPORT(uintptr_t) SomeExportFunction5(void)
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| 95 | {
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| 96 | return (uintptr_t)SomeExportFunction3(NULL) + (uintptr_t)SomeExportFunction2(NULL)
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| 97 | + (uintptr_t)SomeExportFunction1(NULL) + (uintptr_t)&SomeExportFunction4;
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| 98 | }
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| 99 |
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| 100 |
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