1 | /* $Id: tstVMStructSize.cpp 1500 2007-03-15 09:20:43Z vboxsync $ */
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2 | /** @file
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3 | * tstVMStructSize - testcase for check structure sizes/alignment
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4 | * and to verify that HC and GC 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 InnoTek Systemberatung GmbH
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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 as published by the Free Software Foundation,
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15 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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16 | * distribution. VirtualBox OSE is distributed in the hope that it will
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17 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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18 | *
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19 | * If you received this file as part of a commercial VirtualBox
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20 | * distribution, then only the terms of your commercial VirtualBox
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21 | * license agreement apply instead of the previous paragraph.
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22 | */
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23 |
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24 | /*******************************************************************************
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25 | * Header Files *
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26 | *******************************************************************************/
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27 | #include <VBox/cfgm.h>
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28 | #include <VBox/cpum.h>
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29 | #include <VBox/mm.h>
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30 | #include <VBox/pgm.h>
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31 | #include <VBox/selm.h>
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32 | #include <VBox/trpm.h>
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33 | #include <VBox/vmm.h>
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34 | #include <VBox/stam.h>
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35 | #include "PDMInternal.h"
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36 | #include <VBox/pdm.h>
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37 | #include "CFGMInternal.h"
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38 | #include "CPUMInternal.h"
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39 | #include "MMInternal.h"
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40 | #include "PGMInternal.h"
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41 | #include "SELMInternal.h"
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42 | #include "TRPMInternal.h"
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43 | #include "TMInternal.h"
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44 | #include "IOMInternal.h"
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45 | #include "REMInternal.h"
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46 | #include "SSMInternal.h"
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47 | #include "HWACCMInternal.h"
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48 | #include "PATMInternal.h"
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49 | #include "VMMInternal.h"
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50 | #include "DBGFInternal.h"
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51 | #include "STAMInternal.h"
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52 | #include "VMInternal.h"
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53 | #include "CSAMInternal.h"
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54 | #include "EMInternal.h"
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55 | #include "REMInternal.h"
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56 | #include <VBox/vm.h>
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57 | #include <VBox/param.h>
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58 | #include <VBox/x86.h>
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59 |
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60 | #include "tstHelp.h"
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61 | #include <stdio.h>
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62 |
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63 |
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64 |
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65 | int main()
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66 | {
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67 | int rc = 0;
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68 | printf("tstVMStructSize: TESTING\n");
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69 |
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70 | printf("struct VM: %d bytes\n", (int)sizeof(VM));
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71 |
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72 | #define CHECK_PADDING_VM(member) \
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73 | do \
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74 | { \
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75 | CHECK_PADDING(VM, member); \
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76 | CHECK_MEMBER_ALIGNMENT(VM, member, 32); \
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77 | } while (0)
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78 |
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79 |
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80 | #define CHECK_CPUMCTXCORE(member) \
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81 | do { \
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82 | if (RT_OFFSETOF(CPUMCTX, member) - RT_OFFSETOF(CPUMCTX, edi) != RT_OFFSETOF(CPUMCTXCORE, member)) \
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83 | { \
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84 | printf("CPUMCTX/CORE:: %s!\n", #member); \
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85 | rc++; \
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86 | } \
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87 | } while (0)
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88 |
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89 | #define PRINT_OFFSET(strct, member) \
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90 | do \
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91 | { \
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92 | printf("%s::%s offset %#x (%d) sizeof %d\n", #strct, #member, (int)RT_OFFSETOF(strct, member), (int)RT_OFFSETOF(strct, member), (int)RT_SIZEOFMEMB(strct, member)); \
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93 | } while (0)
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94 |
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95 |
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96 |
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97 | CHECK_SIZE(uint128_t, 128/8);
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98 | CHECK_SIZE(int128_t, 128/8);
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99 | CHECK_SIZE(uint64_t, 64/8);
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100 | CHECK_SIZE(int64_t, 64/8);
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101 | CHECK_SIZE(uint32_t, 32/8);
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102 | CHECK_SIZE(int32_t, 32/8);
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103 | CHECK_SIZE(uint16_t, 16/8);
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104 | CHECK_SIZE(int16_t, 16/8);
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105 | CHECK_SIZE(uint8_t, 8/8);
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106 | CHECK_SIZE(int8_t, 8/8);
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107 |
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108 | CHECK_SIZE(VBOXDESC, 8);
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109 | CHECK_SIZE(VBOXIDTE, 8);
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110 | CHECK_SIZE(VBOXIDTR, 6);
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111 | CHECK_SIZE(VBOXGDTR, 6);
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112 | CHECK_SIZE(VBOXPTE, 4);
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113 | CHECK_SIZE(VBOXPDE, 4);
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114 | CHECK_SIZE(VBOXTSS, 136);
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115 | CHECK_SIZE(X86FXSTATE, 512);
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116 | CHECK_SIZE(RTUUID, 16);
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117 | CHECK_SIZE(X86PTE, 4);
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118 | CHECK_SIZE(X86PD, PAGE_SIZE);
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119 | CHECK_SIZE(X86PDE, 4);
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120 | CHECK_SIZE(X86PT, PAGE_SIZE);
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121 | CHECK_SIZE(X86PTEPAE, 8);
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122 | CHECK_SIZE(X86PTPAE, PAGE_SIZE);
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123 | CHECK_SIZE(X86PDEPAE, 8);
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124 | CHECK_SIZE(X86PDPAE, PAGE_SIZE);
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125 | CHECK_SIZE(X86PDPE, 8);
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126 | CHECK_SIZE(X86PDPTR, PAGE_SIZE);
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127 | CHECK_SIZE(X86PML4E, 8);
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128 | CHECK_SIZE(X86PML4, PAGE_SIZE);
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129 |
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130 | CHECK_PADDING_VM(cfgm);
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131 | CHECK_PADDING_VM(cpum);
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132 | CHECK_PADDING_VM(dbgf);
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133 | CHECK_PADDING_VM(em);
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134 | CHECK_PADDING_VM(iom);
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135 | CHECK_PADDING_VM(mm);
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136 | CHECK_PADDING_VM(pdm);
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137 | CHECK_PADDING_VM(pgm);
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138 | CHECK_PADDING_VM(selm);
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139 | CHECK_PADDING_VM(stam);
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140 | CHECK_PADDING_VM(tm);
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141 | CHECK_PADDING_VM(trpm);
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142 | CHECK_PADDING_VM(vm);
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143 | CHECK_PADDING_VM(vmm);
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144 | CHECK_PADDING_VM(ssm);
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145 | CHECK_PADDING_VM(rem);
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146 | CHECK_PADDING_VM(hwaccm);
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147 | CHECK_PADDING_VM(patm);
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148 | CHECK_PADDING_VM(csam);
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149 | CHECK_MEMBER_ALIGNMENT(VM, selm.s.Tss, 16);
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150 | PRINT_OFFSET(VM, selm.s.Tss);
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151 | PVM pVM;
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152 | if ((RT_OFFSETOF(VM, selm.s.Tss) & PAGE_OFFSET_MASK) > PAGE_SIZE - sizeof(pVM->selm.s.Tss))
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153 | {
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154 | printf("SELM:Tss is crossing a page!\n");
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155 | rc++;
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156 | }
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157 | PRINT_OFFSET(VM, selm.s.TssTrap08);
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158 | if ((RT_OFFSETOF(VM, selm.s.TssTrap08) & PAGE_OFFSET_MASK) > PAGE_SIZE - sizeof(pVM->selm.s.TssTrap08))
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159 | {
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160 | printf("SELM:TssTrap08 is crossing a page!\n");
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161 | rc++;
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162 | }
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163 | CHECK_MEMBER_ALIGNMENT(VM, trpm.s.aIdt, 16);
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164 | CHECK_MEMBER_ALIGNMENT(VM, cpum.s.Host, 32);
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165 | CHECK_MEMBER_ALIGNMENT(VM, cpum.s.Guest, 32);
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166 | CHECK_MEMBER_ALIGNMENT(VM, cpum.s.Hyper, 32);
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167 | CHECK_MEMBER_ALIGNMENT(VM, vmm.s.CritSectVMLock, 8);
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168 | CHECK_MEMBER_ALIGNMENT(VM, vmm.s.CallHostR0JmpBuf, 8);
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169 | CHECK_MEMBER_ALIGNMENT(VM, vmm.s.StatRunGC, 8);
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170 | CHECK_MEMBER_ALIGNMENT(VM, StatTotalQemuToGC, 8);
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171 | CHECK_MEMBER_ALIGNMENT(VM, rem.s.StatsInQEMU, 8);
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172 | CHECK_MEMBER_ALIGNMENT(VM, rem.s.Env, 32);
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173 |
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174 | /* cpumctx */
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175 | CHECK_MEMBER_ALIGNMENT(CPUMCTX, fpu, 32);
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176 | CHECK_MEMBER_ALIGNMENT(CPUMCTX, edi, 32);
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177 | CHECK_MEMBER_ALIGNMENT(CPUMCTX, idtr, 4);
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178 | CHECK_MEMBER_ALIGNMENT(CPUMCTX, SysEnter, 8);
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179 | CHECK_SIZE_ALIGNMENT(CPUMCTX, 32);
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180 | CHECK_CPUMCTXCORE(eax);
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181 | CHECK_CPUMCTXCORE(ebx);
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182 | CHECK_CPUMCTXCORE(ecx);
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183 | CHECK_CPUMCTXCORE(edx);
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184 | CHECK_CPUMCTXCORE(ebp);
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185 | CHECK_CPUMCTXCORE(esp);
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186 | CHECK_CPUMCTXCORE(edi);
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187 | CHECK_CPUMCTXCORE(esi);
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188 | CHECK_CPUMCTXCORE(eip);
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189 | CHECK_CPUMCTXCORE(eflags);
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190 | CHECK_CPUMCTXCORE(cs);
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191 | CHECK_CPUMCTXCORE(ds);
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192 | CHECK_CPUMCTXCORE(es);
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193 | CHECK_CPUMCTXCORE(fs);
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194 | CHECK_CPUMCTXCORE(gs);
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195 | CHECK_CPUMCTXCORE(ss);
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196 |
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197 | #if HC_ARCH_BITS == 32
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198 | /* CPUMHOSTCTX - lss pair */
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199 | if (RT_OFFSETOF(CPUMHOSTCTX, esp) + 4 != RT_OFFSETOF(CPUMHOSTCTX, ss))
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200 | {
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201 | printf("error: CPUMHOSTCTX lss has been split up!\n");
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202 | rc++;
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203 | }
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204 | #endif
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205 |
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206 | /* pdm */
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207 | CHECK_MEMBER_ALIGNMENT(PDMDEVINS, achInstanceData, 16);
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208 | CHECK_PADDING(PDMDEVINS, Internal);
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209 | CHECK_MEMBER_ALIGNMENT(PDMDRVINS, achInstanceData, 16);
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210 | CHECK_PADDING(PDMDRVINS, Internal);
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211 | CHECK_PADDING2(PDMCRITSECT);
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212 | CHECK_MEMBER_ALIGNMENT(PGMPOOLPAGE, idx, sizeof(uint16_t));
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213 | CHECK_MEMBER_ALIGNMENT(PGMPOOLPAGE, pvPageHC, sizeof(RTHCPTR));
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214 | CHECK_MEMBER_ALIGNMENT(PGMPOOLPAGE, GCPhys, sizeof(RTGCPHYS));
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215 |
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216 | /* misc */
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217 | CHECK_MEMBER_ALIGNMENT(REM, aGCPtrInvalidatedPages, 8);
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218 | CHECK_PADDING3(EM, u.FatalLongJump, u.achPaddingFatalLongJump);
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219 | CHECK_PADDING3(REMHANDLERNOTIFICATION, u.PhysicalRegister, u.padding);
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220 | CHECK_PADDING3(REMHANDLERNOTIFICATION, u.PhysicalDeregister, u.padding);
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221 | CHECK_PADDING3(REMHANDLERNOTIFICATION, u.PhysicalModify, u.padding);
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222 | CHECK_SIZE_ALIGNMENT(VMMR0JMPBUF, 8);
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223 | CHECK_SIZE_ALIGNMENT(PATCHINFO, 8);
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224 | #if 0
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225 | PRINT_OFFSET(VM, fForcedActions);
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226 | PRINT_OFFSET(VM, StatQemuToGC);
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227 | PRINT_OFFSET(VM, StatGCToQemu);
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228 | #endif
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229 |
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230 |
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231 |
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232 | /*
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233 | * Compare HC and GC.
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234 | */
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235 | printf("tstVMStructSize: Comparing HC and GC...\n");
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236 | #include "tstVMStructGC.h"
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237 |
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238 | /*
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239 | * Report result.
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240 | */
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241 | if (rc)
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242 | printf("tstVMStructSize: FAILURE - %d errors\n", rc);
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243 | else
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244 | printf("tstVMStructSize: SUCCESS\n");
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245 | return rc;
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246 | }
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247 |
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