Created
November 2, 2016 15:36
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insert chunk diff
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| bool insertMemChunkHeader(RegionDescriptor *region, MemChunkHeader *newChunk, unsigned int nbPages, MemChunkHeader *left, MemChunkHeader *right) | |
| { | |
| // variable declarations ... | |
| result = region; | |
| v5 = nbPages; | |
| left_ = left; | |
| v7 = 0; | |
| newChunk_ = newChunk; | |
| v39 = 0; | |
| if ( left ) | |
| { | |
| checkMAC(region, left); | |
| v7 = left_->nbPages; | |
| } | |
| if ( right ) | |
| { | |
| checkMAC(result, right); | |
| v39 = right->nbPages; | |
| } | |
| if ( left_ ) | |
| leftOrStart = (unsigned int)(&left_->nbPages + 1024 * left_->nbPages); | |
| else | |
| leftOrStart = result->regionStart; | |
| if ( right ) | |
| rightOrEnd = right; | |
| else | |
| rightOrEnd = (MemChunkHeader *)(result->regionStart + result->regionSize); | |
| regionStart = result->regionStart; | |
| if ( regionStart > leftOrStart || regionStart + result->regionSize < (unsigned int)rightOrEnd ) | |
| kernelpanic(); | |
| v12 = leftOrStart >= (unsigned int)newChunk_; | |
| v13 = leftOrStart == (_DWORD)newChunk_; | |
| if ( leftOrStart <= (unsigned int)newChunk_ ) | |
| { | |
| v14 = (unsigned int)(&newChunk_->nbPages + 1024 * v5); | |
| v12 = v14 >= (unsigned int)rightOrEnd; | |
| v13 = v14 == (_DWORD)rightOrEnd; | |
| } | |
| // ... | |
| } |
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| bool insertMemChunkHeader(RegionDescriptor *region, MemChunkHeader *newChunk, unsigned int nbPages, MemChunkHeader *left, MemChunkHeader *right) | |
| { | |
| // variable declarations ... | |
| region_ = region; | |
| v5 = nbPages; | |
| newChunk_ = newChunk; | |
| v7 = 0; | |
| left_ = left; | |
| v9 = (char *)newChunk + 4096 * nbPages; | |
| v41 = 0; | |
| v10 = region->regionSize; | |
| if ( nbPages > v10 >> 12 || v10 + region_->regionStart < (unsigned int)v9 ) | |
| kernelpanic(); | |
| if ( left_ ) | |
| { | |
| checkMAC(region_, left_); | |
| v7 = left_->nbPages; | |
| } | |
| if ( right ) | |
| { | |
| checkMAC(region_, right); | |
| v41 = right->nbPages; | |
| } | |
| if ( left_ ) | |
| { | |
| v12 = (unsigned int)left_ + 4096 * left_->nbPages - 1; | |
| if ( v12 < (unsigned int)left_ ) | |
| kernelpanic(); | |
| leftOrStart = v12 + 1; | |
| } | |
| else | |
| { | |
| leftOrStart = region_->regionStart; | |
| } | |
| if ( right ) | |
| rightOrEnd = right; | |
| else | |
| rightOrEnd = (MemChunkHeader *)(region_->regionStart + region_->regionSize); | |
| regionStart = region_->regionStart; | |
| if ( regionStart > leftOrStart || regionStart + region_->regionSize < (unsigned int)rightOrEnd ) | |
| kernelpanic(); | |
| v15 = leftOrStart >= (unsigned int)newChunk_; | |
| v16 = leftOrStart == (_DWORD)newChunk_; | |
| if ( leftOrStart <= (unsigned int)newChunk_ ) | |
| { | |
| v15 = v9 >= (char *)rightOrEnd; | |
| v16 = (MemChunkHeader *)v9 == rightOrEnd; | |
| } | |
| // ... | |
| } |
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