Daniel Hammer
31 lines
731 B
C++
31 lines
731 B
C++
#pragma once
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#include "Memmap.hpp"
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namespace Memory {
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class HeapAllocator {
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struct Node {
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size_t size;
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Node* next;
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};
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struct Header {
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std::size_t size;
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}__attribute__((packed));
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Node head{};
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Header* GetHeader(void* block);
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void InsertToFreelist(void* ptr, std::size_t size);
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void InsertPageToFreelist();
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void InsertPagesToFreelist(std::size_t n);
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public:
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HeapAllocator();
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void* Request(size_t size);
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void* Realloc(void* ptr, size_t size);
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void Free(void *pagePtr);
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void Walk();
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size_t GetAllocatedBlockSize(void* ptr);
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};
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extern HeapAllocator* g_heap;
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}; |