Mercurial > mm7
annotate Allocator.cpp @ 1548:2ae7139dde11
added a few artifacts to enum ITEM_TYPE
| author | Grumpy7 |
|---|---|
| date | Sat, 07 Sep 2013 08:17:49 +0200 |
| parents | 0aeac0b9ca30 |
| children | c4ab816fcc5e |
| rev | line source |
|---|---|
|
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29a8defbad9e
temporary _CRT_SECURE_NO_WARNINGS to remove some warnings
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parents:
1093
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changeset
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1 #ifdef _MSC_VER |
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29a8defbad9e
temporary _CRT_SECURE_NO_WARNINGS to remove some warnings
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parents:
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2 #define _CRT_SECURE_NO_WARNINGS |
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29a8defbad9e
temporary _CRT_SECURE_NO_WARNINGS to remove some warnings
Grumpy7
parents:
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changeset
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3 #endif |
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29a8defbad9e
temporary _CRT_SECURE_NO_WARNINGS to remove some warnings
Grumpy7
parents:
1093
diff
changeset
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4 |
| 0 | 5 #include <string.h> |
| 6 #include <stdio.h> | |
| 7 | |
| 8 #include "Allocator.h" | |
| 9 | |
| 10 #include "mm7_data.h" | |
| 11 | |
| 12 | |
| 13 | |
| 14 Allocator *pAllocator; // idb | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 void __fastcall CheckMemoryAccessibility(void *pBase, DWORD uSize); | |
| 21 | |
| 22 | |
| 23 | |
| 24 //----- (00426755) -------------------------------------------------------- | |
| 25 void *Allocator::AllocNamedChunk(const void *pPrevPtrValue, unsigned int uSize, const char *pName) | |
| 26 { | |
| 705 | 27 |
| 1093 | 28 if ( pPrevPtrValue && !aborting_app ) |
| 29 AbortWithError(); | |
| 30 if (!uSize) | |
| 31 return 0; | |
| 705 | 32 return malloc(uSize); |
| 33 /* | |
| 0 | 34 //Allocator *v4; // esi@1 |
| 35 unsigned int v5; // eax@7 | |
| 36 void *result; // eax@8 | |
| 363 | 37 // unsigned int *pNumBuffersUsed; // ebx@12 |
| 0 | 38 unsigned int v8; // edi@15 |
| 39 char v9; // zf@15 | |
| 40 int v10; // eax@16 | |
| 41 void **v11; // ebx@19 | |
| 42 void *v12; // eax@22 | |
| 43 unsigned int Size; // [sp+14h] [bp+Ch]@16 | |
| 44 | |
| 363 | 45 int aligned_size; |
| 46 | |
| 47 | |
| 48 if ( pPrevPtrValue && !aborting_app ) | |
| 49 AbortWithError(); | |
| 50 if ( !bBigBufferAllocated && !aborting_app ) | |
| 51 AbortWithError(); | |
| 52 | |
| 53 if (!uSize) | |
| 54 return 0; | |
| 55 | |
| 56 if (((uSize & 0x80000000u) != 0) && !aborting_app) | |
| 57 AbortWithError(); | |
| 58 | |
| 59 if (uNumBuffersUsed == 6000 && !aborting_app) | |
| 60 AbortWithError(); | |
| 61 | |
| 62 ++uNumBuffersUsed; | |
| 63 | |
| 64 if (!bUseBigBuffer) | |
| 65 { | |
| 66 pMemoryBuffers[uNumBuffersUsed] = malloc(uSize); | |
| 67 if (pMemoryBuffers[uNumBuffersUsed]) | |
| 68 uMemoryBuffersSizes[uNumBuffersUsed] = uSize; | |
| 69 else | |
| 70 { | |
| 71 if ( !aborting_app ) | |
| 72 AbortWithError(); | |
| 73 } | |
| 74 } | |
| 75 else | |
| 76 { | |
| 77 | |
| 78 aligned_size =(uSize&0xFFFFFFFC) + 4; | |
| 79 | |
| 80 if ((uNextFreeOffsetInBigBuffer +aligned_size) > uBigBufferSizeAligned) | |
| 81 { | |
| 82 printf("Id: %s Size: %i", pName, aligned_size); | |
| 83 CreateFileDump( "Memory"); | |
| 84 if ( !aborting_app ) | |
| 85 AbortWithError(); | |
| 86 } | |
| 87 | |
| 697 | 88 pMemoryBuffers[uNumBuffersUsed] = (char *)pBigMemoryBuffer + uNextFreeOffsetInBigBuffer;//(char *)(pBigBufferAligned) + uNextFreeOffsetInBigBuffer; |
| 363 | 89 uMemoryBuffersSizes[uNumBuffersUsed] =aligned_size; |
| 90 | |
| 91 if (pName) | |
| 92 strncpy(pMemoryBuffersNames[uNumBuffersUsed], pName, 11); | |
| 93 uNextFreeOffsetInBigBuffer += aligned_size; | |
| 94 } | |
| 95 return pMemoryBuffers[uNumBuffersUsed]; | |
| 705 | 96 */ |
| 363 | 97 /* |
| 0 | 98 //v4 = this; |
| 99 if ( pPrevPtrValue && !aborting_app ) | |
| 100 AbortWithError(); | |
| 101 if ( !bBigBufferAllocated && !aborting_app ) | |
| 102 AbortWithError(); | |
| 103 v5 = uSize; | |
| 104 if ( uSize ) | |
| 105 { | |
| 106 if ( (uSize & 0x80000000u) != 0 && !aborting_app ) | |
| 107 { | |
| 108 AbortWithError(); | |
| 109 v5 = uSize; | |
| 110 } | |
| 111 pNumBuffersUsed = &uNumBuffersUsed; | |
| 112 if (uNumBuffersUsed == 6000 && !aborting_app) | |
| 113 { | |
| 114 AbortWithError(); | |
| 115 v5 = uSize; | |
| 116 } | |
| 117 v8 = *pNumBuffersUsed; | |
| 118 v9 = bUseBigBuffer == 0; | |
| 119 ++*pNumBuffersUsed; | |
| 120 if ( v9 ) | |
| 121 { | |
| 122 v12 = malloc(v5); | |
| 123 v11 = &pMemoryBuffers[v8]; | |
| 124 *v11 = v12; | |
| 125 if ( v12 ) | |
| 126 { | |
| 127 uMemoryBuffersSizes[v8] = uSize; | |
| 128 } | |
| 129 else | |
| 130 { | |
| 131 if ( !aborting_app ) | |
| 132 AbortWithError(); | |
| 133 } | |
| 134 } | |
| 135 else | |
| 136 { | |
| 137 LOBYTE(v5) = v5 & 0xFC; | |
| 138 v10 = v5 + 4; | |
| 139 Size = v10; | |
| 140 if ( v10 + uNextFreeOffsetInBigBuffer > uBigBufferSizeAligned ) | |
| 141 { | |
| 142 printf("Id: %s Size: %i\n", pName, v10); | |
| 143 CreateFileDump("Memory"); | |
| 144 if ( !aborting_app ) | |
| 145 AbortWithError(); | |
| 146 } | |
| 147 v11 = &pMemoryBuffers[v8]; | |
| 148 *v11 = (char *)pBigMemoryBuffer + uNextFreeOffsetInBigBuffer; | |
| 149 uMemoryBuffersSizes[v8] = Size; | |
| 150 if (pName) | |
| 151 strncpy(pMemoryBuffersNames[v8], pName, 11); | |
| 152 uNextFreeOffsetInBigBuffer += Size; | |
| 153 } | |
| 154 result = *v11; | |
| 155 } | |
| 156 else | |
| 157 { | |
| 158 result = 0; | |
| 159 } | |
| 363 | 160 return result;*/ |
| 0 | 161 } |
| 162 // 720018: using guessed type int aborting_app; | |
| 163 | |
| 164 | |
| 165 | |
| 166 //----- (004266CD) -------------------------------------------------------- | |
| 167 bool Allocator::Initialize(unsigned int uNumKBytes) | |
| 168 { | |
| 169 if (bBigBufferAllocated) | |
| 170 return false; | |
| 171 | |
| 172 if (!uNumKBytes) | |
| 173 return false; | |
| 174 | |
| 175 pBigMemoryBuffer = malloc(uNumKBytes * 1024); | |
| 176 if (!pBigMemoryBuffer) | |
| 177 return false; | |
| 178 | |
| 363 | 179 pBigBufferAligned = (void *)((unsigned int)(pBigMemoryBuffer) & 0xFFFF0000 + 4096); |
| 180 //(char *)pBigMemoryBuffer + -((unsigned __int16)pBigMemoryBuffer & 0xFFF) + 4096; | |
| 0 | 181 uBigBufferSizeAligned = (uNumKBytes * 1024) - 4096; |
| 182 | |
| 183 uNumBuffersUsed = 0; | |
| 184 uNextFreeOffsetInBigBuffer = 0; | |
| 185 | |
| 186 bUseBigBuffer = true; | |
| 187 return bBigBufferAllocated = true; | |
| 188 } | |
| 189 | |
| 190 | |
| 191 //----- (00426474) -------------------------------------------------------- | |
| 192 void Allocator::FreeChunk(void *ptr) | |
| 193 { | |
| 705 | 194 free(ptr); |
| 195 return; | |
| 196 /* Allocator *v2; // esi@1 | |
| 0 | 197 unsigned int v3; // eax@5 |
| 198 signed int i; // edi@5 | |
| 199 unsigned int v5; // eax@13 | |
| 200 signed int v6; // ecx@16 | |
| 201 signed int j; // edx@16 | |
| 202 char v8; // zf@20 | |
| 203 | |
| 363 | 204 |
| 205 | |
| 206 unsigned int uBuffindx; | |
| 207 unsigned int indx; | |
| 208 | |
| 209 if (ptr) | |
| 210 { | |
| 211 if ((!bBigBufferAllocated)&& (!aborting_app )) | |
| 212 AbortWithError(); | |
| 213 for (indx = 0; indx <=uNumBuffersUsed; ++indx) | |
| 214 if (pMemoryBuffers[indx] == ptr) | |
| 215 break; | |
| 702 | 216 //if ((indx>uNumBuffersUsed)&& !aborting_app ) |
| 217 //AbortWithError(); //to detect memory problems - uncomment | |
| 363 | 218 if (!bUseBigBuffer) |
| 219 free(pMemoryBuffers[indx]); | |
| 220 pMemoryBuffers[indx] = NULL; | |
| 221 uMemoryBuffersSizes[indx] = 0; | |
| 222 pMemoryBuffersNames[indx][0] = 0; | |
| 223 if (indx == (uNumBuffersUsed-1)) | |
| 224 { | |
| 225 if (indx>0) | |
| 226 { | |
| 227 uBuffindx = 0; | |
| 228 for (j = 0; j < uNumBuffersUsed-1; ++j) | |
| 229 { | |
| 230 if (pMemoryBuffers[j]) | |
| 231 uBuffindx = j; | |
| 232 } | |
| 233 uNumBuffersUsed = uBuffindx + 1; | |
| 234 if (bUseBigBuffer) | |
| 235 uNextFreeOffsetInBigBuffer = | |
| 236 ((long)((char*)pMemoryBuffers[uBuffindx] -(char*)pBigBufferAligned)+ uMemoryBuffersSizes[uBuffindx]); | |
| 237 } | |
| 238 else | |
| 239 { | |
| 240 uNumBuffersUsed = 0; | |
| 241 uNextFreeOffsetInBigBuffer = 0; | |
| 242 } | |
| 243 } | |
| 244 } | |
| 705 | 245 */ |
| 363 | 246 /* |
| 0 | 247 v2 = this; |
| 248 if ( ptr ) | |
| 249 { | |
| 250 if ( !this->bBigBufferAllocated && !aborting_app ) | |
| 251 AbortWithError(); | |
| 252 v3 = v2->uNumBuffersUsed; | |
| 253 for ( i = 0; i < (signed int)v3; ++i ) | |
| 254 { | |
| 255 if ( v2->pMemoryBuffers[i] == ptr ) | |
| 256 break; | |
| 257 } | |
| 258 if ( i >= (signed int)v3 && !aborting_app ) | |
| 259 AbortWithError(); | |
| 260 if ( !v2->bUseBigBuffer ) | |
| 261 free(v2->pMemoryBuffers[i]); | |
| 262 v2->pMemoryBuffers[i] = 0; | |
| 263 v2->uMemoryBuffersSizes[i] = 0; | |
| 264 LOBYTE(v2->pMemoryBuffers[3 * i + 12000]) = 0; | |
| 265 v5 = v2->uNumBuffersUsed; | |
| 266 if ( i == v5 - 1 ) | |
| 267 { | |
| 268 if ( i ) | |
| 269 { | |
| 270 v6 = 0; | |
| 271 for ( j = 0; j < (signed int)v5; ++j ) | |
| 272 { | |
| 273 if ( v2->pMemoryBuffers[j] ) | |
| 274 v6 = j; | |
| 275 } | |
| 276 v8 = v2->bUseBigBuffer == 0; | |
| 277 v2->uNumBuffersUsed = v6 + 1; | |
| 278 if ( !v8 ) | |
| 279 v2->uNextFreeOffsetInBigBuffer = (char *)v2->pMemoryBuffers[v6] | |
| 280 + v2->uMemoryBuffersSizes[v6] | |
| 281 - v2->pBigMemoryBuffer; | |
| 282 } | |
| 283 else | |
| 284 { | |
| 285 v2->uNextFreeOffsetInBigBuffer = 0; | |
| 286 v2->uNumBuffersUsed = 0; | |
| 287 } | |
| 288 } | |
| 363 | 289 }*/ |
| 0 | 290 } |
| 291 // 720018: using guessed type int aborting_app; | |
| 292 | |
| 293 | |
| 294 | |
| 295 //----- (00426429) -------------------------------------------------------- | |
| 296 Allocator::Allocator() | |
| 297 { | |
| 298 Allocator *v1; // eax@1 | |
| 299 signed int v2; // ecx@1 | |
| 300 int v3; // edx@1 | |
| 301 | |
| 302 v1 = this; | |
| 303 v2 = 0; | |
| 304 v1->uBigBufferSizeAligned = 0; | |
| 305 v1->bBigBufferAllocated = 0; | |
| 306 v3 = (int)v1->pMemoryBuffersNames; | |
| 307 do | |
| 308 { | |
| 309 v1->pMemoryBuffers[v2] = 0; | |
| 310 v1->uMemoryBuffersSizes[v2] = 0; | |
| 311 *(char *)v3 = 0; | |
| 312 ++v2; | |
| 313 v3 += 12; | |
| 314 } | |
| 315 while ( v2 < 6000 ); | |
| 316 v1->uDumpsCount = 0; | |
| 317 } | |
| 318 | |
| 319 | |
| 320 //----- (0042654C) -------------------------------------------------------- | |
| 321 bool Allocator::CreateFileDump(const char *a1) | |
| 322 { | |
| 323 Allocator *v2; // esi@1 | |
| 324 unsigned int v3; // ST44_4@1 | |
| 325 FILE *v4; // eax@1 | |
| 326 FILE *v5; // edi@1 | |
| 327 bool result; // eax@2 | |
| 328 unsigned int v7; // ecx@5 | |
| 329 int v8; // edx@5 | |
| 330 int v9; // eax@6 | |
| 331 int v10; // eax@8 | |
| 332 int v11; // ecx@8 | |
| 333 signed int v12; // ebx@8 | |
| 334 signed int v13; // ebx@10 | |
| 335 struct _MEMORYSTATUS memstat; // [sp+8h] [bp-38h]@5 | |
| 336 char Filename[20]; // [sp+28h] [bp-18h]@1 | |
| 337 unsigned int *v16; // [sp+3Ch] [bp-4h]@11 | |
| 338 int a1a; // [sp+48h] [bp+8h]@11 | |
| 339 | |
| 340 v2 = this; | |
| 341 v3 = this->uDumpsCount; | |
| 342 this->uDumpsCount = v3 + 1; | |
| 343 sprintf(Filename, "Mem%03i.txt", v3); | |
| 344 v4 = fopen(Filename, "w"); | |
| 345 v5 = v4; | |
| 346 if ( v4 ) | |
| 347 { | |
| 348 if ( a1 ) | |
| 349 fprintf(v4, "%s\n\n", a1); | |
| 350 fprintf(v5, "Windows Memory Status"); | |
| 351 GlobalMemoryStatus(&memstat); | |
| 352 fprintf(v5, "dwLength: %d\n\n", memstat.dwLength); | |
| 353 fprintf(v5, "dwMemoryLoad: %d\n", memstat.dwMemoryLoad); | |
| 354 fprintf(v5, "dwTotalPhys: %d\n", memstat.dwTotalPhys); | |
| 355 fprintf(v5, "dwAvailPhys: %d\n", memstat.dwAvailPhys); | |
| 356 fprintf(v5, "dwTotalPageFile: %d\n", memstat.dwTotalPageFile); | |
| 357 fprintf(v5, "dwAvailPageFile: %d\n", memstat.dwAvailPageFile); | |
| 358 fprintf(v5, "dwTotalVirtual: %d\n", memstat.dwTotalVirtual); | |
| 359 fprintf(v5, "dwAvailVirtual: %d\n\n\n", memstat.dwAvailVirtual); | |
| 360 v7 = v2->uNumBuffersUsed; | |
| 361 v8 = 0; | |
| 362 if ( (signed int)v7 > 0 ) | |
| 363 { | |
| 364 v9 = (int)v2->uMemoryBuffersSizes; | |
| 365 do | |
| 366 { | |
| 367 v8 += *(int *)v9; | |
| 368 v9 += 4; | |
| 369 --v7; | |
| 370 } | |
| 371 while ( v7 ); | |
| 372 } | |
| 373 v10 = 0; | |
| 374 v11 = (int)v2->uMemoryBuffersSizes; | |
| 375 v12 = 6000; | |
| 376 do | |
| 377 { | |
| 378 v10 += *(int *)v11; | |
| 379 v11 += 4; | |
| 380 --v12; | |
| 381 } | |
| 382 while ( v12 ); | |
| 383 fprintf(v5, "Size: %i %i %i\n\n", v2->uNumBuffersUsed, v8, v10); | |
| 384 v13 = 0; | |
| 385 if ( (signed int)v2->uNumBuffersUsed > 0 ) | |
| 386 { | |
| 387 v16 = v2->uMemoryBuffersSizes; | |
| 388 a1a = (int)v2->pMemoryBuffersNames; | |
| 389 do | |
| 390 { | |
| 391 fprintf(v5, "%10i %10i %s\n", v13, *v16, a1a); | |
| 392 a1a += 12; | |
| 393 ++v16; | |
| 394 ++v13; | |
| 395 } | |
| 396 while ( v13 < (signed int)v2->uNumBuffersUsed ); | |
| 397 } | |
| 398 fclose(v5); | |
| 399 result = 0; | |
| 400 } | |
| 401 else | |
| 402 { | |
| 403 result = 1; | |
| 404 } | |
| 405 return result; | |
| 406 } | |
| 407 | |
| 408 | |
| 409 | |
| 410 | |
| 411 | |
| 412 | |
| 413 | |
| 414 | |
| 415 //----- (00426892) -------------------------------------------------------- | |
| 416 static void __fastcall CheckMemoryAccessibility(void *pBase, DWORD uSize) | |
| 417 { | |
| 418 DWORD v2; // edi@1 | |
| 419 DWORD i; // eax@1 | |
| 420 struct _SYSTEM_INFO SystemInfo; // [sp+8h] [bp-24h]@1 | |
| 421 | |
| 422 v2 = uSize; | |
| 423 GetSystemInfo(&SystemInfo); | |
| 424 for ( i = 16 * SystemInfo.dwPageSize; i < v2; i += SystemInfo.dwPageSize ) | |
| 425 ; | |
| 426 } |