Mercurial > mm7
annotate Allocator.cpp @ 1576:e66e0c89d81b
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| author | Nomad |
|---|---|
| date | Tue, 10 Sep 2013 12:54:07 +0200 |
| parents | c4ab816fcc5e |
| children |
| rev | line source |
|---|---|
|
1165
29a8defbad9e
temporary _CRT_SECURE_NO_WARNINGS to remove some warnings
Grumpy7
parents:
1093
diff
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:
1093
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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
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changeset
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4 |
| 0 | 5 #include <string.h> |
| 6 #include <stdio.h> | |
| 7 | |
| 8 #include "Allocator.h" | |
| 1545 | 9 #include "ErrorHandling.h" |
| 0 | 10 |
| 11 #include "mm7_data.h" | |
| 12 | |
| 13 | |
| 14 | |
| 15 Allocator *pAllocator; // idb | |
| 16 | |
| 1545 | 17 int aborting_app = false; // weak |
| 0 | 18 |
| 19 | |
| 20 | |
| 21 | |
| 22 void __fastcall CheckMemoryAccessibility(void *pBase, DWORD uSize); | |
| 23 | |
| 24 | |
| 25 | |
| 26 //----- (00426755) -------------------------------------------------------- | |
| 27 void *Allocator::AllocNamedChunk(const void *pPrevPtrValue, unsigned int uSize, const char *pName) | |
| 28 { | |
| 1545 | 29 Assert(!pPrevPtrValue, "PrevPtrValue != 0"); |
| 705 | 30 |
| 1093 | 31 if (!uSize) |
| 32 return 0; | |
| 705 | 33 return malloc(uSize); |
| 34 /* | |
| 0 | 35 //Allocator *v4; // esi@1 |
| 36 unsigned int v5; // eax@7 | |
| 37 void *result; // eax@8 | |
| 363 | 38 // unsigned int *pNumBuffersUsed; // ebx@12 |
| 0 | 39 unsigned int v8; // edi@15 |
| 40 char v9; // zf@15 | |
| 41 int v10; // eax@16 | |
| 42 void **v11; // ebx@19 | |
| 43 void *v12; // eax@22 | |
| 44 unsigned int Size; // [sp+14h] [bp+Ch]@16 | |
| 45 | |
| 363 | 46 int aligned_size; |
| 47 | |
| 48 | |
| 49 if ( pPrevPtrValue && !aborting_app ) | |
| 50 AbortWithError(); | |
| 51 if ( !bBigBufferAllocated && !aborting_app ) | |
| 52 AbortWithError(); | |
| 53 | |
| 54 if (!uSize) | |
| 55 return 0; | |
| 56 | |
| 57 if (((uSize & 0x80000000u) != 0) && !aborting_app) | |
| 58 AbortWithError(); | |
| 59 | |
| 60 if (uNumBuffersUsed == 6000 && !aborting_app) | |
| 61 AbortWithError(); | |
| 62 | |
| 63 ++uNumBuffersUsed; | |
| 64 | |
| 65 if (!bUseBigBuffer) | |
| 66 { | |
| 67 pMemoryBuffers[uNumBuffersUsed] = malloc(uSize); | |
| 68 if (pMemoryBuffers[uNumBuffersUsed]) | |
| 69 uMemoryBuffersSizes[uNumBuffersUsed] = uSize; | |
| 70 else | |
| 71 { | |
| 72 if ( !aborting_app ) | |
| 73 AbortWithError(); | |
| 74 } | |
| 75 } | |
| 76 else | |
| 77 { | |
| 78 | |
| 79 aligned_size =(uSize&0xFFFFFFFC) + 4; | |
| 80 | |
| 81 if ((uNextFreeOffsetInBigBuffer +aligned_size) > uBigBufferSizeAligned) | |
| 82 { | |
| 83 printf("Id: %s Size: %i", pName, aligned_size); | |
| 84 CreateFileDump( "Memory"); | |
| 85 if ( !aborting_app ) | |
| 86 AbortWithError(); | |
| 87 } | |
| 88 | |
| 697 | 89 pMemoryBuffers[uNumBuffersUsed] = (char *)pBigMemoryBuffer + uNextFreeOffsetInBigBuffer;//(char *)(pBigBufferAligned) + uNextFreeOffsetInBigBuffer; |
| 363 | 90 uMemoryBuffersSizes[uNumBuffersUsed] =aligned_size; |
| 91 | |
| 92 if (pName) | |
| 93 strncpy(pMemoryBuffersNames[uNumBuffersUsed], pName, 11); | |
| 94 uNextFreeOffsetInBigBuffer += aligned_size; | |
| 95 } | |
| 96 return pMemoryBuffers[uNumBuffersUsed]; | |
| 705 | 97 */ |
| 363 | 98 /* |
| 0 | 99 //v4 = this; |
| 100 if ( pPrevPtrValue && !aborting_app ) | |
| 101 AbortWithError(); | |
| 102 if ( !bBigBufferAllocated && !aborting_app ) | |
| 103 AbortWithError(); | |
| 104 v5 = uSize; | |
| 105 if ( uSize ) | |
| 106 { | |
| 107 if ( (uSize & 0x80000000u) != 0 && !aborting_app ) | |
| 108 { | |
| 109 AbortWithError(); | |
| 110 v5 = uSize; | |
| 111 } | |
| 112 pNumBuffersUsed = &uNumBuffersUsed; | |
| 113 if (uNumBuffersUsed == 6000 && !aborting_app) | |
| 114 { | |
| 115 AbortWithError(); | |
| 116 v5 = uSize; | |
| 117 } | |
| 118 v8 = *pNumBuffersUsed; | |
| 119 v9 = bUseBigBuffer == 0; | |
| 120 ++*pNumBuffersUsed; | |
| 121 if ( v9 ) | |
| 122 { | |
| 123 v12 = malloc(v5); | |
| 124 v11 = &pMemoryBuffers[v8]; | |
| 125 *v11 = v12; | |
| 126 if ( v12 ) | |
| 127 { | |
| 128 uMemoryBuffersSizes[v8] = uSize; | |
| 129 } | |
| 130 else | |
| 131 { | |
| 132 if ( !aborting_app ) | |
| 133 AbortWithError(); | |
| 134 } | |
| 135 } | |
| 136 else | |
| 137 { | |
| 138 LOBYTE(v5) = v5 & 0xFC; | |
| 139 v10 = v5 + 4; | |
| 140 Size = v10; | |
| 141 if ( v10 + uNextFreeOffsetInBigBuffer > uBigBufferSizeAligned ) | |
| 142 { | |
| 143 printf("Id: %s Size: %i\n", pName, v10); | |
| 144 CreateFileDump("Memory"); | |
| 145 if ( !aborting_app ) | |
| 146 AbortWithError(); | |
| 147 } | |
| 148 v11 = &pMemoryBuffers[v8]; | |
| 149 *v11 = (char *)pBigMemoryBuffer + uNextFreeOffsetInBigBuffer; | |
| 150 uMemoryBuffersSizes[v8] = Size; | |
| 151 if (pName) | |
| 152 strncpy(pMemoryBuffersNames[v8], pName, 11); | |
| 153 uNextFreeOffsetInBigBuffer += Size; | |
| 154 } | |
| 155 result = *v11; | |
| 156 } | |
| 157 else | |
| 158 { | |
| 159 result = 0; | |
| 160 } | |
| 363 | 161 return result;*/ |
| 0 | 162 } |
| 163 // 720018: using guessed type int aborting_app; | |
| 164 | |
| 165 | |
| 166 | |
| 167 //----- (004266CD) -------------------------------------------------------- | |
| 168 bool Allocator::Initialize(unsigned int uNumKBytes) | |
| 169 { | |
| 170 if (bBigBufferAllocated) | |
| 171 return false; | |
| 172 | |
| 173 if (!uNumKBytes) | |
| 174 return false; | |
| 175 | |
| 176 pBigMemoryBuffer = malloc(uNumKBytes * 1024); | |
| 177 if (!pBigMemoryBuffer) | |
| 178 return false; | |
| 179 | |
| 363 | 180 pBigBufferAligned = (void *)((unsigned int)(pBigMemoryBuffer) & 0xFFFF0000 + 4096); |
| 181 //(char *)pBigMemoryBuffer + -((unsigned __int16)pBigMemoryBuffer & 0xFFF) + 4096; | |
| 0 | 182 uBigBufferSizeAligned = (uNumKBytes * 1024) - 4096; |
| 183 | |
| 184 uNumBuffersUsed = 0; | |
| 185 uNextFreeOffsetInBigBuffer = 0; | |
| 186 | |
| 187 bUseBigBuffer = true; | |
| 188 return bBigBufferAllocated = true; | |
| 189 } | |
| 190 | |
| 191 | |
| 192 //----- (00426474) -------------------------------------------------------- | |
| 193 void Allocator::FreeChunk(void *ptr) | |
| 194 { | |
| 705 | 195 free(ptr); |
| 196 return; | |
| 197 /* Allocator *v2; // esi@1 | |
| 0 | 198 unsigned int v3; // eax@5 |
| 199 signed int i; // edi@5 | |
| 200 unsigned int v5; // eax@13 | |
| 201 signed int v6; // ecx@16 | |
| 202 signed int j; // edx@16 | |
| 203 char v8; // zf@20 | |
| 204 | |
| 363 | 205 |
| 206 | |
| 207 unsigned int uBuffindx; | |
| 208 unsigned int indx; | |
| 209 | |
| 210 if (ptr) | |
| 211 { | |
| 212 if ((!bBigBufferAllocated)&& (!aborting_app )) | |
| 213 AbortWithError(); | |
| 214 for (indx = 0; indx <=uNumBuffersUsed; ++indx) | |
| 215 if (pMemoryBuffers[indx] == ptr) | |
| 216 break; | |
| 702 | 217 //if ((indx>uNumBuffersUsed)&& !aborting_app ) |
| 218 //AbortWithError(); //to detect memory problems - uncomment | |
| 363 | 219 if (!bUseBigBuffer) |
| 220 free(pMemoryBuffers[indx]); | |
| 221 pMemoryBuffers[indx] = NULL; | |
| 222 uMemoryBuffersSizes[indx] = 0; | |
| 223 pMemoryBuffersNames[indx][0] = 0; | |
| 224 if (indx == (uNumBuffersUsed-1)) | |
| 225 { | |
| 226 if (indx>0) | |
| 227 { | |
| 228 uBuffindx = 0; | |
| 229 for (j = 0; j < uNumBuffersUsed-1; ++j) | |
| 230 { | |
| 231 if (pMemoryBuffers[j]) | |
| 232 uBuffindx = j; | |
| 233 } | |
| 234 uNumBuffersUsed = uBuffindx + 1; | |
| 235 if (bUseBigBuffer) | |
| 236 uNextFreeOffsetInBigBuffer = | |
| 237 ((long)((char*)pMemoryBuffers[uBuffindx] -(char*)pBigBufferAligned)+ uMemoryBuffersSizes[uBuffindx]); | |
| 238 } | |
| 239 else | |
| 240 { | |
| 241 uNumBuffersUsed = 0; | |
| 242 uNextFreeOffsetInBigBuffer = 0; | |
| 243 } | |
| 244 } | |
| 245 } | |
| 705 | 246 */ |
| 363 | 247 /* |
| 0 | 248 v2 = this; |
| 249 if ( ptr ) | |
| 250 { | |
| 251 if ( !this->bBigBufferAllocated && !aborting_app ) | |
| 252 AbortWithError(); | |
| 253 v3 = v2->uNumBuffersUsed; | |
| 254 for ( i = 0; i < (signed int)v3; ++i ) | |
| 255 { | |
| 256 if ( v2->pMemoryBuffers[i] == ptr ) | |
| 257 break; | |
| 258 } | |
| 259 if ( i >= (signed int)v3 && !aborting_app ) | |
| 260 AbortWithError(); | |
| 261 if ( !v2->bUseBigBuffer ) | |
| 262 free(v2->pMemoryBuffers[i]); | |
| 263 v2->pMemoryBuffers[i] = 0; | |
| 264 v2->uMemoryBuffersSizes[i] = 0; | |
| 265 LOBYTE(v2->pMemoryBuffers[3 * i + 12000]) = 0; | |
| 266 v5 = v2->uNumBuffersUsed; | |
| 267 if ( i == v5 - 1 ) | |
| 268 { | |
| 269 if ( i ) | |
| 270 { | |
| 271 v6 = 0; | |
| 272 for ( j = 0; j < (signed int)v5; ++j ) | |
| 273 { | |
| 274 if ( v2->pMemoryBuffers[j] ) | |
| 275 v6 = j; | |
| 276 } | |
| 277 v8 = v2->bUseBigBuffer == 0; | |
| 278 v2->uNumBuffersUsed = v6 + 1; | |
| 279 if ( !v8 ) | |
| 280 v2->uNextFreeOffsetInBigBuffer = (char *)v2->pMemoryBuffers[v6] | |
| 281 + v2->uMemoryBuffersSizes[v6] | |
| 282 - v2->pBigMemoryBuffer; | |
| 283 } | |
| 284 else | |
| 285 { | |
| 286 v2->uNextFreeOffsetInBigBuffer = 0; | |
| 287 v2->uNumBuffersUsed = 0; | |
| 288 } | |
| 289 } | |
| 363 | 290 }*/ |
| 0 | 291 } |
| 292 // 720018: using guessed type int aborting_app; | |
| 293 | |
| 294 | |
| 295 | |
| 296 //----- (00426429) -------------------------------------------------------- | |
| 297 Allocator::Allocator() | |
| 298 { | |
| 299 Allocator *v1; // eax@1 | |
| 300 signed int v2; // ecx@1 | |
| 301 int v3; // edx@1 | |
| 302 | |
| 303 v1 = this; | |
| 304 v2 = 0; | |
| 305 v1->uBigBufferSizeAligned = 0; | |
| 306 v1->bBigBufferAllocated = 0; | |
| 307 v3 = (int)v1->pMemoryBuffersNames; | |
| 308 do | |
| 309 { | |
| 310 v1->pMemoryBuffers[v2] = 0; | |
| 311 v1->uMemoryBuffersSizes[v2] = 0; | |
| 312 *(char *)v3 = 0; | |
| 313 ++v2; | |
| 314 v3 += 12; | |
| 315 } | |
| 316 while ( v2 < 6000 ); | |
| 317 v1->uDumpsCount = 0; | |
| 318 } | |
| 319 | |
| 320 | |
| 321 //----- (0042654C) -------------------------------------------------------- | |
| 322 bool Allocator::CreateFileDump(const char *a1) | |
| 323 { | |
| 324 Allocator *v2; // esi@1 | |
| 325 unsigned int v3; // ST44_4@1 | |
| 326 FILE *v4; // eax@1 | |
| 327 FILE *v5; // edi@1 | |
| 328 bool result; // eax@2 | |
| 329 unsigned int v7; // ecx@5 | |
| 330 int v8; // edx@5 | |
| 331 int v9; // eax@6 | |
| 332 int v10; // eax@8 | |
| 333 int v11; // ecx@8 | |
| 334 signed int v12; // ebx@8 | |
| 335 signed int v13; // ebx@10 | |
| 336 struct _MEMORYSTATUS memstat; // [sp+8h] [bp-38h]@5 | |
| 337 char Filename[20]; // [sp+28h] [bp-18h]@1 | |
| 338 unsigned int *v16; // [sp+3Ch] [bp-4h]@11 | |
| 339 int a1a; // [sp+48h] [bp+8h]@11 | |
| 340 | |
| 341 v2 = this; | |
| 342 v3 = this->uDumpsCount; | |
| 343 this->uDumpsCount = v3 + 1; | |
| 344 sprintf(Filename, "Mem%03i.txt", v3); | |
| 345 v4 = fopen(Filename, "w"); | |
| 346 v5 = v4; | |
| 347 if ( v4 ) | |
| 348 { | |
| 349 if ( a1 ) | |
| 350 fprintf(v4, "%s\n\n", a1); | |
| 351 fprintf(v5, "Windows Memory Status"); | |
| 352 GlobalMemoryStatus(&memstat); | |
| 353 fprintf(v5, "dwLength: %d\n\n", memstat.dwLength); | |
| 354 fprintf(v5, "dwMemoryLoad: %d\n", memstat.dwMemoryLoad); | |
| 355 fprintf(v5, "dwTotalPhys: %d\n", memstat.dwTotalPhys); | |
| 356 fprintf(v5, "dwAvailPhys: %d\n", memstat.dwAvailPhys); | |
| 357 fprintf(v5, "dwTotalPageFile: %d\n", memstat.dwTotalPageFile); | |
| 358 fprintf(v5, "dwAvailPageFile: %d\n", memstat.dwAvailPageFile); | |
| 359 fprintf(v5, "dwTotalVirtual: %d\n", memstat.dwTotalVirtual); | |
| 360 fprintf(v5, "dwAvailVirtual: %d\n\n\n", memstat.dwAvailVirtual); | |
| 361 v7 = v2->uNumBuffersUsed; | |
| 362 v8 = 0; | |
| 363 if ( (signed int)v7 > 0 ) | |
| 364 { | |
| 365 v9 = (int)v2->uMemoryBuffersSizes; | |
| 366 do | |
| 367 { | |
| 368 v8 += *(int *)v9; | |
| 369 v9 += 4; | |
| 370 --v7; | |
| 371 } | |
| 372 while ( v7 ); | |
| 373 } | |
| 374 v10 = 0; | |
| 375 v11 = (int)v2->uMemoryBuffersSizes; | |
| 376 v12 = 6000; | |
| 377 do | |
| 378 { | |
| 379 v10 += *(int *)v11; | |
| 380 v11 += 4; | |
| 381 --v12; | |
| 382 } | |
| 383 while ( v12 ); | |
| 384 fprintf(v5, "Size: %i %i %i\n\n", v2->uNumBuffersUsed, v8, v10); | |
| 385 v13 = 0; | |
| 386 if ( (signed int)v2->uNumBuffersUsed > 0 ) | |
| 387 { | |
| 388 v16 = v2->uMemoryBuffersSizes; | |
| 389 a1a = (int)v2->pMemoryBuffersNames; | |
| 390 do | |
| 391 { | |
| 392 fprintf(v5, "%10i %10i %s\n", v13, *v16, a1a); | |
| 393 a1a += 12; | |
| 394 ++v16; | |
| 395 ++v13; | |
| 396 } | |
| 397 while ( v13 < (signed int)v2->uNumBuffersUsed ); | |
| 398 } | |
| 399 fclose(v5); | |
| 400 result = 0; | |
| 401 } | |
| 402 else | |
| 403 { | |
| 404 result = 1; | |
| 405 } | |
| 406 return result; | |
| 407 } | |
| 408 | |
| 409 | |
| 410 | |
| 411 | |
| 412 | |
| 413 | |
| 414 | |
| 415 | |
| 416 //----- (00426892) -------------------------------------------------------- | |
| 417 static void __fastcall CheckMemoryAccessibility(void *pBase, DWORD uSize) | |
| 418 { | |
| 419 DWORD v2; // edi@1 | |
| 420 DWORD i; // eax@1 | |
| 421 struct _SYSTEM_INFO SystemInfo; // [sp+8h] [bp-24h]@1 | |
| 422 | |
| 423 v2 = uSize; | |
| 424 GetSystemInfo(&SystemInfo); | |
| 425 for ( i = 16 * SystemInfo.dwPageSize; i < v2; i += SystemInfo.dwPageSize ) | |
| 426 ; | |
| 427 } |