This commit is contained in:
Ilusha 2023-05-26 01:35:29 +03:00
commit d4c558a59a
34 changed files with 3850 additions and 0 deletions

26
public/Allocators.hpp Normal file
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#pragma once
#include "HeapAllocator.hpp"
#include "ChunkAllocator.hpp"
#include "PoolAllocator.hpp"
namespace tp {
extern ModuleManifest gModuleAllocator;
};
inline void* operator new(size_t aSize, void* aWhere) noexcept { return aWhere; }
void* operator new(size_t aSize);
void* operator new[](size_t _Size);
void operator delete(void* aPtr);
void operator delete[](void* aPtr);
void* operator new(size_t aSize, tp::HeapAlloc& aAlloc);
void* operator new[](size_t _Size, tp::HeapAlloc& aAlloc);
void operator delete(void* aPtr, tp::HeapAlloc& aAlloc);
void operator delete[](void* aPtr, tp::HeapAlloc& aAlloc);
void* operator new(size_t aSize, tp::HeapAllocGlobal& aAlloc);
void* operator new[](size_t _Size, tp::HeapAllocGlobal& aAlloc);
void operator delete(void* aPtr, tp::HeapAllocGlobal& aAlloc);
void operator delete[](void* aPtr, tp::HeapAllocGlobal& aAlloc);

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public/ChunkAllocator.hpp Normal file
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#pragma once
#include "common.h"
#include "PublicConfig.hpp"
namespace tp {
// Chunk Allocator
// Constant time allocations and deallocations in any order.
// Memory blocks are fixed in size and number of blocks can not exceed given parameter.
struct ChunkAlloc {
ChunkAlloc(ualni aBlockSize, void* aMemory, ualni aMemSize);
ChunkAlloc(ualni aBlockSize, ualni aNBlocks);
void* allocate();
void deallocate(void* aPtr);
bool isFull();
bool isEmpty();
~ChunkAlloc();
private:
ualni mBSize; // Size of data in aligned units
ualni mNBlocks;
ualni* mBuff;
ualni* mNextBlock = 0;
ualni mNFreeBlocks;
ualni mNInitBlocks = 0;
bool mOwnBuff = false;
};
};

20
public/HeapAllocator.hpp Normal file
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#pragma once
#include "HeapAllocatorGlobal.hpp"
namespace tp {
struct HeapAlloc {
#ifdef MEM_DEBUG
HeapAllocGlobal mAlloc;
ualni mNumAllocations = 0;
struct MemHeadLocal* mEntry = NULL;
#endif
void* allocate(ualni aBlockSize);
void deallocate(void* aPtr);
~HeapAlloc();
};
};

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#pragma once
#include "common.h"
#include "PublicConfig.hpp"
namespace tp {
struct HeapAllocGlobal {
#ifdef MEM_DEBUG
static ualni mNumAllocations;
static struct MemHead* mEntry;
#endif
static void* allocate(ualni aBlockSize);
static void deallocate(void* aPtr);
~HeapAllocGlobal();
};
};

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public/PickAllocator.hpp Normal file
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#pragma once
#include "HeapAllocatorGlobal.hpp"
namespace tp {
struct PickAlloc {
PickAlloc();
void* allocate(ualni aBlockSize);
void deallocate(void* aPtr);
~PickAlloc();
};
};

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public/PoolAllocator.hpp Normal file
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#pragma once
#include "ChunkAllocator.hpp"
namespace tp {
// Pool Allocator
// Overcomes chunk allocator fixed number of max allocations
struct PoolAlloc {
PoolAlloc(ualni aBlockSize, ualni aChunkSize);
void* allocate();
void deallocate(void* aPtr);
~PoolAlloc();
private:
struct Chunk : public ChunkAlloc {
Chunk(ualni aBlockSize, ualni aChunlSize) : ChunkAlloc(aBlockSize, aChunlSize) {}
Chunk* mNext = NULL;
Chunk* mPrev = NULL;
};
struct Chunks {
void add(Chunk*);
void remove(Chunk*);
Chunk* find(void* aPtr);
Chunk* findNotFull();
Chunk** mBuff = NULL;
ualni mUsedLen = 0;
ualni mLen = 0;
private:
Chunk** findUtil(Chunk** aLeft, Chunk** aRight, void* aPtr);
};
Chunks mChunks;
Chunk* mFreeChunk = NULL;
ualni mBlockSize;
ualni mChunkSize;
};
};