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0
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1 #include <string.h>
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2 #include <stdio.h>
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3 #include "OSAPI.h"
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4
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5 #include "Allocator.h"
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6
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7 #include "mm7_data.h"
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8
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9
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10
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11 Allocator *pAllocator; // idb
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12
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13
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14
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15
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16
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17 void __fastcall CheckMemoryAccessibility(void *pBase, DWORD uSize);
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18
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19
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20
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21 //----- (00426755) --------------------------------------------------------
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22 void *Allocator::AllocNamedChunk(const void *pPrevPtrValue, unsigned int uSize, const char *pName)
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23 {
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705
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24
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25 return malloc(uSize);
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26 /*
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0
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27 //Allocator *v4; // esi@1
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28 unsigned int v5; // eax@7
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29 void *result; // eax@8
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363
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30 // unsigned int *pNumBuffersUsed; // ebx@12
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0
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31 unsigned int v8; // edi@15
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32 char v9; // zf@15
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33 int v10; // eax@16
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34 void **v11; // ebx@19
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35 void *v12; // eax@22
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36 unsigned int Size; // [sp+14h] [bp+Ch]@16
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37
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363
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38 int aligned_size;
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39
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40
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41 if ( pPrevPtrValue && !aborting_app )
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42 AbortWithError();
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43 if ( !bBigBufferAllocated && !aborting_app )
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44 AbortWithError();
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45
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46 if (!uSize)
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47 return 0;
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48
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49 if (((uSize & 0x80000000u) != 0) && !aborting_app)
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50 AbortWithError();
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51
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52 if (uNumBuffersUsed == 6000 && !aborting_app)
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53 AbortWithError();
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54
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55 ++uNumBuffersUsed;
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56
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57 if (!bUseBigBuffer)
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58 {
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59 pMemoryBuffers[uNumBuffersUsed] = malloc(uSize);
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60 if (pMemoryBuffers[uNumBuffersUsed])
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61 uMemoryBuffersSizes[uNumBuffersUsed] = uSize;
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62 else
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63 {
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64 if ( !aborting_app )
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65 AbortWithError();
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66 }
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67 }
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68 else
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69 {
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70
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71 aligned_size =(uSize&0xFFFFFFFC) + 4;
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72
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73 if ((uNextFreeOffsetInBigBuffer +aligned_size) > uBigBufferSizeAligned)
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74 {
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75 printf("Id: %s Size: %i", pName, aligned_size);
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76 CreateFileDump( "Memory");
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77 if ( !aborting_app )
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78 AbortWithError();
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79 }
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80
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697
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81 pMemoryBuffers[uNumBuffersUsed] = (char *)pBigMemoryBuffer + uNextFreeOffsetInBigBuffer;//(char *)(pBigBufferAligned) + uNextFreeOffsetInBigBuffer;
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363
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82 uMemoryBuffersSizes[uNumBuffersUsed] =aligned_size;
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83
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84 if (pName)
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85 strncpy(pMemoryBuffersNames[uNumBuffersUsed], pName, 11);
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86 uNextFreeOffsetInBigBuffer += aligned_size;
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87 }
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88 return pMemoryBuffers[uNumBuffersUsed];
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705
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89 */
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363
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90 /*
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0
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91 //v4 = this;
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92 if ( pPrevPtrValue && !aborting_app )
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93 AbortWithError();
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94 if ( !bBigBufferAllocated && !aborting_app )
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95 AbortWithError();
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96 v5 = uSize;
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97 if ( uSize )
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98 {
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99 if ( (uSize & 0x80000000u) != 0 && !aborting_app )
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100 {
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101 AbortWithError();
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102 v5 = uSize;
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103 }
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104 pNumBuffersUsed = &uNumBuffersUsed;
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105 if (uNumBuffersUsed == 6000 && !aborting_app)
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106 {
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107 AbortWithError();
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108 v5 = uSize;
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109 }
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110 v8 = *pNumBuffersUsed;
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111 v9 = bUseBigBuffer == 0;
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112 ++*pNumBuffersUsed;
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113 if ( v9 )
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114 {
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115 v12 = malloc(v5);
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116 v11 = &pMemoryBuffers[v8];
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117 *v11 = v12;
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118 if ( v12 )
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119 {
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120 uMemoryBuffersSizes[v8] = uSize;
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121 }
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122 else
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123 {
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124 if ( !aborting_app )
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125 AbortWithError();
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126 }
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127 }
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128 else
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129 {
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130 LOBYTE(v5) = v5 & 0xFC;
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131 v10 = v5 + 4;
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132 Size = v10;
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133 if ( v10 + uNextFreeOffsetInBigBuffer > uBigBufferSizeAligned )
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134 {
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135 printf("Id: %s Size: %i\n", pName, v10);
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136 CreateFileDump("Memory");
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137 if ( !aborting_app )
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138 AbortWithError();
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139 }
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140 v11 = &pMemoryBuffers[v8];
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141 *v11 = (char *)pBigMemoryBuffer + uNextFreeOffsetInBigBuffer;
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142 uMemoryBuffersSizes[v8] = Size;
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143 if (pName)
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144 strncpy(pMemoryBuffersNames[v8], pName, 11);
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145 uNextFreeOffsetInBigBuffer += Size;
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146 }
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147 result = *v11;
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148 }
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149 else
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150 {
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151 result = 0;
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152 }
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363
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153 return result;*/
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0
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154 }
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155 // 720018: using guessed type int aborting_app;
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156
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157
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158
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159 //----- (004266CD) --------------------------------------------------------
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160 bool Allocator::Initialize(unsigned int uNumKBytes)
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161 {
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162 if (bBigBufferAllocated)
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163 return false;
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164
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165 if (!uNumKBytes)
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166 return false;
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167
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168 pBigMemoryBuffer = malloc(uNumKBytes * 1024);
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169 if (!pBigMemoryBuffer)
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170 return false;
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171
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363
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172 pBigBufferAligned = (void *)((unsigned int)(pBigMemoryBuffer) & 0xFFFF0000 + 4096);
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173 //(char *)pBigMemoryBuffer + -((unsigned __int16)pBigMemoryBuffer & 0xFFF) + 4096;
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0
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174 uBigBufferSizeAligned = (uNumKBytes * 1024) - 4096;
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175
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176 uNumBuffersUsed = 0;
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177 uNextFreeOffsetInBigBuffer = 0;
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178
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179 bUseBigBuffer = true;
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180 return bBigBufferAllocated = true;
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181 }
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182
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183
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184 //----- (00426474) --------------------------------------------------------
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185 void Allocator::FreeChunk(void *ptr)
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186 {
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705
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187 free(ptr);
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188 return;
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189 /* Allocator *v2; // esi@1
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0
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190 unsigned int v3; // eax@5
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191 signed int i; // edi@5
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192 unsigned int v5; // eax@13
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193 signed int v6; // ecx@16
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194 signed int j; // edx@16
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195 char v8; // zf@20
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196
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363
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197
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198
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199 unsigned int uBuffindx;
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200 unsigned int indx;
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201
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202 if (ptr)
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203 {
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204 if ((!bBigBufferAllocated)&& (!aborting_app ))
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205 AbortWithError();
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206 for (indx = 0; indx <=uNumBuffersUsed; ++indx)
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207 if (pMemoryBuffers[indx] == ptr)
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208 break;
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702
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209 //if ((indx>uNumBuffersUsed)&& !aborting_app )
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210 //AbortWithError(); //to detect memory problems - uncomment
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363
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211 if (!bUseBigBuffer)
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212 free(pMemoryBuffers[indx]);
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213 pMemoryBuffers[indx] = NULL;
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214 uMemoryBuffersSizes[indx] = 0;
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215 pMemoryBuffersNames[indx][0] = 0;
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216 if (indx == (uNumBuffersUsed-1))
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217 {
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218 if (indx>0)
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219 {
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220 uBuffindx = 0;
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221 for (j = 0; j < uNumBuffersUsed-1; ++j)
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222 {
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223 if (pMemoryBuffers[j])
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224 uBuffindx = j;
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225 }
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226 uNumBuffersUsed = uBuffindx + 1;
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227 if (bUseBigBuffer)
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228 uNextFreeOffsetInBigBuffer =
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229 ((long)((char*)pMemoryBuffers[uBuffindx] -(char*)pBigBufferAligned)+ uMemoryBuffersSizes[uBuffindx]);
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230 }
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231 else
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232 {
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233 uNumBuffersUsed = 0;
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234 uNextFreeOffsetInBigBuffer = 0;
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235 }
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236 }
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237 }
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705
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238 */
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363
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239 /*
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0
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240 v2 = this;
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241 if ( ptr )
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242 {
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243 if ( !this->bBigBufferAllocated && !aborting_app )
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244 AbortWithError();
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245 v3 = v2->uNumBuffersUsed;
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246 for ( i = 0; i < (signed int)v3; ++i )
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247 {
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248 if ( v2->pMemoryBuffers[i] == ptr )
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249 break;
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250 }
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251 if ( i >= (signed int)v3 && !aborting_app )
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252 AbortWithError();
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253 if ( !v2->bUseBigBuffer )
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254 free(v2->pMemoryBuffers[i]);
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255 v2->pMemoryBuffers[i] = 0;
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256 v2->uMemoryBuffersSizes[i] = 0;
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257 LOBYTE(v2->pMemoryBuffers[3 * i + 12000]) = 0;
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258 v5 = v2->uNumBuffersUsed;
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259 if ( i == v5 - 1 )
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260 {
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261 if ( i )
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262 {
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263 v6 = 0;
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264 for ( j = 0; j < (signed int)v5; ++j )
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265 {
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266 if ( v2->pMemoryBuffers[j] )
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267 v6 = j;
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268 }
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269 v8 = v2->bUseBigBuffer == 0;
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270 v2->uNumBuffersUsed = v6 + 1;
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271 if ( !v8 )
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272 v2->uNextFreeOffsetInBigBuffer = (char *)v2->pMemoryBuffers[v6]
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273 + v2->uMemoryBuffersSizes[v6]
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274 - v2->pBigMemoryBuffer;
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275 }
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276 else
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277 {
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278 v2->uNextFreeOffsetInBigBuffer = 0;
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279 v2->uNumBuffersUsed = 0;
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280 }
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281 }
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363
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282 }*/
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0
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283 }
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284 // 720018: using guessed type int aborting_app;
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285
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286
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287
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288 //----- (00426429) --------------------------------------------------------
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289 Allocator::Allocator()
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290 {
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291 Allocator *v1; // eax@1
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292 signed int v2; // ecx@1
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293 int v3; // edx@1
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294
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295 v1 = this;
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296 v2 = 0;
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297 v1->uBigBufferSizeAligned = 0;
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298 v1->bBigBufferAllocated = 0;
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299 v3 = (int)v1->pMemoryBuffersNames;
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300 do
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301 {
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302 v1->pMemoryBuffers[v2] = 0;
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303 v1->uMemoryBuffersSizes[v2] = 0;
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304 *(char *)v3 = 0;
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305 ++v2;
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306 v3 += 12;
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307 }
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308 while ( v2 < 6000 );
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309 v1->uDumpsCount = 0;
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310 }
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311
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312
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313 //----- (0042654C) --------------------------------------------------------
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314 bool Allocator::CreateFileDump(const char *a1)
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315 {
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316 Allocator *v2; // esi@1
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317 unsigned int v3; // ST44_4@1
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318 FILE *v4; // eax@1
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319 FILE *v5; // edi@1
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320 bool result; // eax@2
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321 unsigned int v7; // ecx@5
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322 int v8; // edx@5
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323 int v9; // eax@6
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324 int v10; // eax@8
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325 int v11; // ecx@8
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326 signed int v12; // ebx@8
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327 signed int v13; // ebx@10
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328 struct _MEMORYSTATUS memstat; // [sp+8h] [bp-38h]@5
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329 char Filename[20]; // [sp+28h] [bp-18h]@1
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330 unsigned int *v16; // [sp+3Ch] [bp-4h]@11
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331 int a1a; // [sp+48h] [bp+8h]@11
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332
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333 v2 = this;
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334 v3 = this->uDumpsCount;
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335 this->uDumpsCount = v3 + 1;
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336 sprintf(Filename, "Mem%03i.txt", v3);
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337 v4 = fopen(Filename, "w");
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338 v5 = v4;
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339 if ( v4 )
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340 {
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341 if ( a1 )
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342 fprintf(v4, "%s\n\n", a1);
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343 fprintf(v5, "Windows Memory Status");
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344 GlobalMemoryStatus(&memstat);
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345 fprintf(v5, "dwLength: %d\n\n", memstat.dwLength);
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346 fprintf(v5, "dwMemoryLoad: %d\n", memstat.dwMemoryLoad);
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347 fprintf(v5, "dwTotalPhys: %d\n", memstat.dwTotalPhys);
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348 fprintf(v5, "dwAvailPhys: %d\n", memstat.dwAvailPhys);
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349 fprintf(v5, "dwTotalPageFile: %d\n", memstat.dwTotalPageFile);
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350 fprintf(v5, "dwAvailPageFile: %d\n", memstat.dwAvailPageFile);
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351 fprintf(v5, "dwTotalVirtual: %d\n", memstat.dwTotalVirtual);
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352 fprintf(v5, "dwAvailVirtual: %d\n\n\n", memstat.dwAvailVirtual);
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353 v7 = v2->uNumBuffersUsed;
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354 v8 = 0;
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355 if ( (signed int)v7 > 0 )
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356 {
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357 v9 = (int)v2->uMemoryBuffersSizes;
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358 do
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359 {
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360 v8 += *(int *)v9;
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361 v9 += 4;
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362 --v7;
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363 }
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364 while ( v7 );
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365 }
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366 v10 = 0;
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367 v11 = (int)v2->uMemoryBuffersSizes;
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368 v12 = 6000;
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369 do
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370 {
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371 v10 += *(int *)v11;
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372 v11 += 4;
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373 --v12;
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374 }
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375 while ( v12 );
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376 fprintf(v5, "Size: %i %i %i\n\n", v2->uNumBuffersUsed, v8, v10);
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377 v13 = 0;
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378 if ( (signed int)v2->uNumBuffersUsed > 0 )
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379 {
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380 v16 = v2->uMemoryBuffersSizes;
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381 a1a = (int)v2->pMemoryBuffersNames;
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382 do
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383 {
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384 fprintf(v5, "%10i %10i %s\n", v13, *v16, a1a);
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385 a1a += 12;
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386 ++v16;
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387 ++v13;
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388 }
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389 while ( v13 < (signed int)v2->uNumBuffersUsed );
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390 }
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391 fclose(v5);
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392 result = 0;
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393 }
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394 else
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395 {
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396 result = 1;
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397 }
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398 return result;
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399 }
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400
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401
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402
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403
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404
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405
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406
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407
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408 //----- (00426892) --------------------------------------------------------
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409 static void __fastcall CheckMemoryAccessibility(void *pBase, DWORD uSize)
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410 {
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411 DWORD v2; // edi@1
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412 DWORD i; // eax@1
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413 struct _SYSTEM_INFO SystemInfo; // [sp+8h] [bp-24h]@1
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414
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415 v2 = uSize;
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416 GetSystemInfo(&SystemInfo);
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417 for ( i = 16 * SystemInfo.dwPageSize; i < v2; i += SystemInfo.dwPageSize )
|
|
|
418 ;
|
|
|
419 }
|
