SymbolicMemory.h

// Symbolic memory -- a memory state where memory is represented by an SMT function whose domain is the address space and whose
// range are the bytes stored at those addresses.
#ifndef ROSE_BinaryAnalysis_InstructionSemantics_BaseSemantics_SymbolicMemory_H
#define ROSE_BinaryAnalysis_InstructionSemantics_BaseSemantics_SymbolicMemory_H
#include <featureTests.h>
#ifdef ROSE_ENABLE_BINARY_ANALYSIS
 
#include <Rose/BinaryAnalysis/InstructionSemantics/BaseSemantics/MemoryState.h>
#include <Rose/BinaryAnalysis/SymbolicExpression.h>
 
namespace Rose {
namespace BinaryAnalysis {
namespace InstructionSemantics {
namespace BaseSemantics {
 
using SymbolicMemoryPtr = boost::shared_ptr<class SymbolicMemory>;
 
class SymbolicMemory: public MemoryState {
public:
    using Super = MemoryState;
 
    using Ptr = SymbolicMemoryPtr;
 
private:
    SymbolicExpression::Ptr mem_;
 
public:
    ~SymbolicMemory();
 
protected:
    // All memory states should be heap allocated; use instance(), create(), or clone() instead.
    explicit SymbolicMemory(const SValuePtr &addrProtoval, const SValuePtr &valProtoval);
 
public:
    static SymbolicMemoryPtr instance(const SValuePtr &addrProtoval, const SValuePtr &valProtoval);
 
public:
    // documented in base class
    virtual MemoryStatePtr create(const SValuePtr &addrProtoval, const SValuePtr &valProtoval) const override;
 
    // documented in base class
    virtual AddressSpacePtr clone() const override;
 
    static SymbolicMemoryPtr promote(const AddressSpacePtr&);
 
public:
    SymbolicExpression::Ptr expression() const;
    void expression(const SymbolicExpression::Ptr &mem);
public:
    virtual bool merge(const AddressSpacePtr &other, RiscOperators *addrOps, RiscOperators *valOps) override;
 
    virtual void clear() override;
 
    virtual SValuePtr readMemory(const SValuePtr &address, const SValuePtr &dflt,
                                 RiscOperators *addrOps, RiscOperators *valOps) override;
 
    virtual void writeMemory(const SValuePtr &address, const SValuePtr &value,
                             RiscOperators *addrOps, RiscOperators *valOps) override;
 
    virtual SValuePtr peekMemory(const SValuePtr &address, const SValuePtr &dflt,
                                 RiscOperators *addrOps, RiscOperators *valOps) override;
 
public:
    virtual void hash(Combinatorics::Hasher&, RiscOperators *addrOps, RiscOperators *valOps) const override;
 
    virtual void print(std::ostream&, Formatter&) const override;
};
    
} // namespace
} // namespace
} // namespace
} // namespace
 
#endif
#endif