| 1 | /* $Id: tstDeviceStructSize.cpp 48214 2013-08-31 16:16:58Z vboxsync $ */
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| 2 | /** @file
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| 3 | * tstDeviceStructSize - testcase for check structure sizes/alignment
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| 4 | * and to verify that HC and RC uses the same
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| 5 | * representation of the structures.
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Copyright (C) 2006-2012 Oracle Corporation
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| 10 | *
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| 11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 12 | * available from http://www.virtualbox.org. This file is free software;
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| 13 | * you can redistribute it and/or modify it under the terms of the GNU
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| 14 | * General Public License (GPL) as published by the Free Software
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| 15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 18 | */
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| 19 |
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| 20 | /*******************************************************************************
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| 21 | * Header Files *
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| 22 | *******************************************************************************/
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| 23 | #include <VBox/types.h>
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| 24 | #include <iprt/x86.h>
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| 25 |
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| 26 |
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| 27 | #define VBOX_WITH_HGCM /* grumble */
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| 28 | #define VBOX_DEVICE_STRUCT_TESTCASE
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| 29 | #undef LOG_GROUP
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| 30 | #include "../Bus/DevPCI.cpp"
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| 31 | #undef LOG_GROUP
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| 32 | #include "../Bus/DevPciIch9.cpp"
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| 33 | #undef LOG_GROUP
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| 34 | #include "../Graphics/DevVGA.cpp"
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| 35 | #undef LOG_GROUP
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| 36 | #include "../Input/DevPS2.cpp"
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| 37 | #undef LOG_GROUP
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| 38 | #include "../Input/PS2K.cpp"
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| 39 | #undef LOG_GROUP
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| 40 | #include "../Input/PS2M.cpp"
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| 41 | #ifdef VBOX_WITH_E1000
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| 42 | # undef LOG_GROUP
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| 43 | # include "../Network/DevE1000.cpp"
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| 44 | #endif
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| 45 | #undef LOG_GROUP
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| 46 | #include "../Network/DevPCNet.cpp"
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| 47 | #ifdef VBOX_WITH_VIRTIO
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| 48 | # undef LOG_GROUP
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| 49 | # include "../Network/DevVirtioNet.cpp"
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| 50 | #endif
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| 51 | #undef LOG_GROUP
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| 52 | #include "../PC/DevACPI.cpp"
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| 53 | #undef LOG_GROUP
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| 54 | #include "../PC/DevPIC.cpp"
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| 55 | #undef LOG_GROUP
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| 56 | #include "../PC/DevPit-i8254.cpp"
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| 57 | #undef LOG_GROUP
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| 58 | #include "../PC/DevRTC.cpp"
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| 59 | #undef LOG_GROUP
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| 60 | #include "../PC/DevAPIC.cpp"
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| 61 | #undef LOG_GROUP
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| 62 | #include "../PC/DevIoApic.cpp"
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| 63 | #undef LOG_GROUP
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| 64 | #include "../PC/DevHPET.cpp"
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| 65 | #undef LOG_GROUP
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| 66 | #include "../PC/DevLPC.cpp"
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| 67 | #undef LOG_GROUP
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| 68 | #include "../PC/DevSMC.cpp"
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| 69 | #undef LOG_GROUP
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| 70 | #include "../Storage/DevATA.cpp"
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| 71 | #ifdef VBOX_WITH_USB
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| 72 | # undef LOG_GROUP
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| 73 | # include "../USB/DevOHCI.cpp"
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| 74 | # ifdef VBOX_WITH_EHCI_IMPL
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| 75 | # include "../USB/DevEHCI.cpp"
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| 76 | # endif
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| 77 | #endif
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| 78 | #undef LOG_GROUP
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| 79 | #include "../VMMDev/VMMDev.cpp"
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| 80 | #undef LOG_GROUP
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| 81 | #include "../Parallel/DevParallel.cpp"
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| 82 | #undef LOG_GROUP
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| 83 | #include "../Serial/DevSerial.cpp"
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| 84 | #ifdef VBOX_WITH_AHCI
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| 85 | # undef LOG_GROUP
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| 86 | # include "../Storage/DevAHCI.cpp"
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| 87 | #endif
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| 88 | #ifdef VBOX_WITH_BUSLOGIC
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| 89 | # undef LOG_GROUP
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| 90 | # include "../Storage/DevBusLogic.cpp"
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| 91 | #endif
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| 92 | #ifdef VBOX_WITH_LSILOGIC
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| 93 | # undef LOG_GROUP
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| 94 | # include "../Storage/DevLsiLogicSCSI.cpp"
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| 95 | #endif
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| 96 |
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| 97 | #ifdef VBOX_WITH_PCI_PASSTHROUGH_IMPL
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| 98 | # undef LOG_GROUP
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| 99 | # include "../Bus/DevPciRaw.cpp"
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| 100 | #endif
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| 101 |
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| 102 | #undef LOG_GROUP
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| 103 | #include "../Audio/DevIchHda.cpp"
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| 104 |
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| 105 | #include <stdio.h>
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| 106 |
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| 107 |
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| 108 | /*******************************************************************************
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| 109 | * Defined Constants And Macros *
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| 110 | *******************************************************************************/
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| 111 | /**
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| 112 | * Checks the offset of a data member.
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| 113 | * @param type Type.
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| 114 | * @param off Correct offset.
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| 115 | * @param m Member name.
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| 116 | */
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| 117 | #define CHECK_OFF(type, off, m) \
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| 118 | do { \
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| 119 | if (off != RT_OFFSETOF(type, m)) \
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| 120 | { \
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| 121 | printf("tstDeviceStructSize: error! %#010x %s Off by %d!! (off=%#x)\n", RT_OFFSETOF(type, m), #type "." #m, off - RT_OFFSETOF(type, m), off); \
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| 122 | rc++; \
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| 123 | } \
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| 124 | /*else */ \
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| 125 | /*printf("%#08x %s\n", RT_OFFSETOF(type, m), #m);*/ \
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| 126 | } while (0)
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| 127 |
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| 128 | /**
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| 129 | * Checks the size of type.
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| 130 | * @param type Type.
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| 131 | * @param size Correct size.
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| 132 | */
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| 133 | #define CHECK_SIZE(type, size) \
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| 134 | do { \
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| 135 | if (size != sizeof(type)) \
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| 136 | { \
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| 137 | printf("tstDeviceStructSize: error! sizeof(%s): %#x (%d) Off by %d!!\n", #type, (int)sizeof(type), (int)sizeof(type), (int)(sizeof(type) - size)); \
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| 138 | rc++; \
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| 139 | } \
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| 140 | else \
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| 141 | printf("tstDeviceStructSize: info: sizeof(%s): %#x (%d)\n", #type, (int)sizeof(type), (int)sizeof(type)); \
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| 142 | } while (0)
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| 143 |
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| 144 | /**
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| 145 | * Checks the alignment of a struct member.
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| 146 | */
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| 147 | #define CHECK_MEMBER_ALIGNMENT(strct, member, align) \
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| 148 | do \
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| 149 | { \
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| 150 | if (RT_OFFSETOF(strct, member) & ((align) - 1) ) \
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| 151 | { \
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| 152 | printf("tstDeviceStructSize: error! %s::%s offset=%#x (%u) expected alignment %#x, meaning %#x (%u) off\n", \
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| 153 | #strct, #member, \
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| 154 | (unsigned)RT_OFFSETOF(strct, member), \
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| 155 | (unsigned)RT_OFFSETOF(strct, member), \
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| 156 | (unsigned)(align), \
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| 157 | (unsigned)(((align) - RT_OFFSETOF(strct, member)) & ((align) - 1)), \
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| 158 | (unsigned)(((align) - RT_OFFSETOF(strct, member)) & ((align) - 1)) ); \
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| 159 | rc++; \
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| 160 | } \
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| 161 | } while (0)
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| 162 |
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| 163 | /**
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| 164 | * Checks that the size of a type is aligned correctly.
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| 165 | */
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| 166 | #define CHECK_SIZE_ALIGNMENT(type, align) \
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| 167 | do { \
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| 168 | if (RT_ALIGN_Z(sizeof(type), (align)) != sizeof(type)) \
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| 169 | { \
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| 170 | printf("tstDeviceStructSize: error! %s size=%#x (%u), align=%#x %#x (%u) bytes off\n", \
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| 171 | #type, \
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| 172 | (unsigned)sizeof(type), \
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| 173 | (unsigned)sizeof(type), \
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| 174 | (align), \
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| 175 | (unsigned)RT_ALIGN_Z(sizeof(type), align) - (unsigned)sizeof(type), \
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| 176 | (unsigned)RT_ALIGN_Z(sizeof(type), align) - (unsigned)sizeof(type)); \
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| 177 | rc++; \
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| 178 | } \
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| 179 | } while (0)
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| 180 |
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| 181 | /**
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| 182 | * Checks that a internal struct padding is big enough.
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| 183 | */
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| 184 | #define CHECK_PADDING(strct, member, align) \
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| 185 | do \
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| 186 | { \
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| 187 | strct *p = NULL; NOREF(p); \
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| 188 | if (sizeof(p->member.s) > sizeof(p->member.padding)) \
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| 189 | { \
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| 190 | printf("tstDeviceStructSize: error! padding of %s::%s is too small, padding=%d struct=%d correct=%d\n", #strct, #member, \
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| 191 | (int)sizeof(p->member.padding), (int)sizeof(p->member.s), (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
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| 192 | rc++; \
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| 193 | } \
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| 194 | else if (RT_ALIGN_Z(sizeof(p->member.padding), (align)) != sizeof(p->member.padding)) \
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| 195 | { \
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| 196 | printf("tstDeviceStructSize: error! padding of %s::%s is misaligned, padding=%d correct=%d\n", #strct, #member, \
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| 197 | (int)sizeof(p->member.padding), (int)RT_ALIGN_Z(sizeof(p->member.s), (align))); \
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| 198 | rc++; \
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| 199 | } \
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| 200 | } while (0)
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| 201 |
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| 202 | /**
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| 203 | * Checks that a internal struct padding is big enough.
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| 204 | */
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| 205 | #define CHECK_PADDING2(strct) \
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| 206 | do \
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| 207 | { \
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| 208 | strct *p = NULL; NOREF(p); \
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| 209 | if (sizeof(p->s) > sizeof(p->padding)) \
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| 210 | { \
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| 211 | printf("tstDeviceStructSize: error! padding of %s is too small, padding=%d struct=%d correct=%d\n", #strct, \
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| 212 | (int)sizeof(p->padding), (int)sizeof(p->s), (int)RT_ALIGN_Z(sizeof(p->s), 32)); \
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| 213 | rc++; \
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| 214 | } \
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| 215 | } while (0)
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| 216 |
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| 217 | /**
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| 218 | * Checks that a internal struct padding is big enough.
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| 219 | */
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| 220 | #define CHECK_PADDING3(strct, member, pad_member) \
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| 221 | do \
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| 222 | { \
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| 223 | strct *p = NULL; NOREF(p); \
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| 224 | if (sizeof(p->member) > sizeof(p->pad_member)) \
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| 225 | { \
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| 226 | printf("tstDeviceStructSize: error! padding of %s::%s is too small, padding=%d struct=%d\n", #strct, #member, \
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| 227 | (int)sizeof(p->pad_member), (int)sizeof(p->member)); \
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| 228 | rc++; \
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| 229 | } \
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| 230 | } while (0)
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| 231 |
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| 232 | /**
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| 233 | * Prints the offset of a struct member.
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| 234 | */
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| 235 | #define PRINT_OFFSET(strct, member) \
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| 236 | do \
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| 237 | { \
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| 238 | printf("tstDeviceStructSize: info: %s::%s offset %d sizeof %d\n", #strct, #member, (int)RT_OFFSETOF(strct, member), (int)RT_SIZEOFMEMB(strct, member)); \
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| 239 | } while (0)
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| 240 |
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| 241 |
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| 242 | int main()
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| 243 | {
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| 244 | int rc = 0;
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| 245 | printf("tstDeviceStructSize: TESTING\n");
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| 246 |
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| 247 | /* Assert sanity */
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| 248 | CHECK_SIZE(uint128_t, 128/8);
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| 249 | CHECK_SIZE(int128_t, 128/8);
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| 250 | CHECK_SIZE(uint64_t, 64/8);
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| 251 | CHECK_SIZE(int64_t, 64/8);
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| 252 | CHECK_SIZE(uint32_t, 32/8);
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| 253 | CHECK_SIZE(int32_t, 32/8);
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| 254 | CHECK_SIZE(uint16_t, 16/8);
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| 255 | CHECK_SIZE(int16_t, 16/8);
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| 256 | CHECK_SIZE(uint8_t, 8/8);
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| 257 | CHECK_SIZE(int8_t, 8/8);
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| 258 |
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| 259 | /* Basic alignment checks. */
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| 260 | CHECK_MEMBER_ALIGNMENT(PDMDEVINS, achInstanceData, 64);
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| 261 | CHECK_MEMBER_ALIGNMENT(PCIDEVICE, Int.s, 16);
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| 262 | CHECK_MEMBER_ALIGNMENT(PCIDEVICE, Int.s.aIORegions, 16);
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| 263 |
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| 264 | /*
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| 265 | * Misc alignment checks (keep this somewhat alphabetical).
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| 266 | */
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| 267 | CHECK_MEMBER_ALIGNMENT(AHCI, lock, 8);
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| 268 | CHECK_MEMBER_ALIGNMENT(AHCIPort, StatDMA, 8);
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| 269 | #ifdef VBOX_WITH_STATISTICS
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| 270 | CHECK_MEMBER_ALIGNMENT(APICDeviceInfo, StatMMIOReadGC, 8);
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| 271 | #endif
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| 272 | CHECK_MEMBER_ALIGNMENT(ATADevState, cTotalSectors, 8);
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| 273 | CHECK_MEMBER_ALIGNMENT(ATADevState, StatATADMA, 8);
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| 274 | CHECK_MEMBER_ALIGNMENT(ATADevState, StatReads, 8);
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| 275 | CHECK_MEMBER_ALIGNMENT(ATACONTROLLER, lock, 8);
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| 276 | CHECK_MEMBER_ALIGNMENT(ATACONTROLLER, StatAsyncOps, 8);
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| 277 | CHECK_MEMBER_ALIGNMENT(BUSLOGIC, CritSectIntr, 8);
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| 278 | #ifdef VBOX_WITH_STATISTICS
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| 279 | CHECK_MEMBER_ALIGNMENT(DEVPIC, StatSetIrqGC, 8);
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| 280 | #endif
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| 281 | #ifdef VBOX_WITH_E1000
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| 282 | CHECK_MEMBER_ALIGNMENT(E1KSTATE, cs, 8);
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| 283 | CHECK_MEMBER_ALIGNMENT(E1KSTATE, csRx, 8);
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| 284 | CHECK_MEMBER_ALIGNMENT(E1KSTATE, StatReceiveBytes, 8);
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| 285 | #endif
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| 286 | #ifdef VBOX_WITH_VIRTIO
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| 287 | CHECK_MEMBER_ALIGNMENT(VNETSTATE, StatReceiveBytes, 8);
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| 288 | #endif
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| 289 | //CHECK_MEMBER_ALIGNMENT(E1KSTATE, csTx, 8);
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| 290 | #ifdef VBOX_WITH_USB
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| 291 | # ifdef VBOX_WITH_EHCI_IMPL
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| 292 | CHECK_MEMBER_ALIGNMENT(EHCI, RootHub, 8);
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| 293 | # ifdef VBOX_WITH_STATISTICS
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| 294 | CHECK_MEMBER_ALIGNMENT(EHCI, StatCanceledIsocUrbs, 8);
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| 295 | # endif
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| 296 | # endif
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| 297 | #endif
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| 298 | CHECK_MEMBER_ALIGNMENT(E1KSTATE, StatReceiveBytes, 8);
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| 299 | #ifdef VBOX_WITH_STATISTICS
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| 300 | CHECK_MEMBER_ALIGNMENT(IOAPIC, StatMMIOReadGC, 8);
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| 301 | CHECK_MEMBER_ALIGNMENT(IOAPIC, StatMMIOReadGC, 8);
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| 302 | #endif
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| 303 | CHECK_MEMBER_ALIGNMENT(LSILOGISCSI, GCPhysMMIOBase, 8);
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| 304 | CHECK_MEMBER_ALIGNMENT(LSILOGISCSI, aMessage, 8);
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| 305 | CHECK_MEMBER_ALIGNMENT(LSILOGISCSI, ReplyPostQueueCritSect, 8);
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| 306 | CHECK_MEMBER_ALIGNMENT(LSILOGISCSI, ReplyFreeQueueCritSect, 8);
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| 307 | CHECK_MEMBER_ALIGNMENT(LSILOGISCSI, uReplyFreeQueueNextEntryFreeWrite, 8);
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| 308 | CHECK_MEMBER_ALIGNMENT(LSILOGISCSI, VBoxSCSI, 8);
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| 309 | #ifdef VBOX_WITH_USB
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| 310 | CHECK_MEMBER_ALIGNMENT(OHCI, RootHub, 8);
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| 311 | # ifdef VBOX_WITH_STATISTICS
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| 312 | CHECK_MEMBER_ALIGNMENT(OHCI, StatCanceledIsocUrbs, 8);
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| 313 | # endif
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| 314 | #endif
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| 315 | CHECK_MEMBER_ALIGNMENT(PCIBUS, devices, 16);
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| 316 | CHECK_MEMBER_ALIGNMENT(PCIBUS, devices, 16);
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| 317 | CHECK_MEMBER_ALIGNMENT(PCIGLOBALS, pci_irq_levels, 16);
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| 318 | CHECK_MEMBER_ALIGNMENT(PCNETSTATE, u64LastPoll, 8);
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| 319 | CHECK_MEMBER_ALIGNMENT(PCNETSTATE, CritSect, 8);
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| 320 | CHECK_MEMBER_ALIGNMENT(PCNETSTATE, StatReceiveBytes, 8);
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| 321 | #ifdef VBOX_WITH_STATISTICS
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| 322 | CHECK_MEMBER_ALIGNMENT(PCNETSTATE, StatMMIOReadRZ, 8);
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| 323 | #endif
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| 324 | CHECK_MEMBER_ALIGNMENT(PITSTATE, StatPITIrq, 8);
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| 325 | CHECK_MEMBER_ALIGNMENT(SerialState, CritSect, 8);
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| 326 | CHECK_MEMBER_ALIGNMENT(VGASTATE, Dev, 8);
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| 327 | CHECK_MEMBER_ALIGNMENT(VGASTATE, CritSect, 8);
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| 328 | CHECK_MEMBER_ALIGNMENT(VGASTATE, StatRZMemoryRead, 8);
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| 329 | CHECK_MEMBER_ALIGNMENT(VMMDevState, CritSect, 8);
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| 330 | #ifdef VBOX_WITH_VIRTIO
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| 331 | CHECK_MEMBER_ALIGNMENT(VPCISTATE, cs, 8);
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| 332 | CHECK_MEMBER_ALIGNMENT(VPCISTATE, led, 4);
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| 333 | CHECK_MEMBER_ALIGNMENT(VPCISTATE, Queues, 8);
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| 334 | #endif
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| 335 | #ifdef VBOX_WITH_PCI_PASSTHROUGH_IMPL
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| 336 | CHECK_MEMBER_ALIGNMENT(PCIRAWSENDREQ, u.aGetRegionInfo.u64RegionSize, 8);
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| 337 | #endif
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| 338 |
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| 339 | #ifdef VBOX_WITH_RAW_MODE
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| 340 | /*
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| 341 | * Compare HC and RC.
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| 342 | */
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| 343 | printf("tstDeviceStructSize: Comparing HC and RC...\n");
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| 344 | # include "tstDeviceStructSizeRC.h"
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| 345 | #endif
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| 346 |
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| 347 | /*
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| 348 | * Report result.
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| 349 | */
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| 350 | if (rc)
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| 351 | printf("tstDeviceStructSize: FAILURE - %d errors\n", rc);
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| 352 | else
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| 353 | printf("tstDeviceStructSize: SUCCESS\n");
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| 354 | return rc;
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| 355 | }
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