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//===-- MemoryManager.h -----------------------------------------*- C++ -*-===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef KLEE_MEMORYMANAGER_H
#define KLEE_MEMORYMANAGER_H
#include "klee/KDAlloc/kdalloc.h"
#include <cstddef>
#include <set>
#include <cstdint>
namespace llvm {
class Value;
}
namespace klee {
class ArrayCache;
class ExecutionState;
class MemoryObject;
class MemoryManager {
private:
typedef std::set<MemoryObject *> objects_ty;
objects_ty objects;
ArrayCache *const arrayCache;
kdalloc::AllocatorFactory globalsFactory;
kdalloc::Allocator globalsAllocator;
kdalloc::AllocatorFactory constantsFactory;
kdalloc::Allocator constantsAllocator;
public:
explicit MemoryManager(ArrayCache *arrayCache);
~MemoryManager();
kdalloc::AllocatorFactory heapFactory;
kdalloc::StackAllocatorFactory stackFactory;
static std::uint32_t quarantine;
static std::size_t pageSize;
static bool isDeterministic;
/**
* Returns memory object which contains a handle to real virtual process
* memory.
*/
MemoryObject *allocate(uint64_t size, bool isLocal, bool isGlobal,
ExecutionState *state, const llvm::Value *allocSite,
size_t alignment);
MemoryObject *allocateFixed(uint64_t address, uint64_t size,
const llvm::Value *allocSite);
void markFreed(MemoryObject *mo);
bool markMappingsAsUnneeded();
ArrayCache *getArrayCache() const { return arrayCache; }
/*
* Returns the size used by deterministic allocation in bytes
*/
size_t getUsedDeterministicSize();
};
} // End klee namespace
#endif /* KLEE_MEMORYMANAGER_H */
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