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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <map>
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
namespace Kernel {
/**
* This class is used to keep a table of Kernel objects and their respective addresses in emulated
* memory. For certain Switch SVCs, Kernel objects are referenced by an address to an object the
* guest application manages, so we use this table to look these kernel objects up. This is similiar
* to the HandleTable class.
*/
class ObjectAddressTable final : NonCopyable {
public:
ObjectAddressTable() = default;
/**
* Inserts an object and address pair into the table.
*/
void Insert(VAddr addr, SharedPtr<Object> obj);
/**
* Closes an object by its address, removing it from the table and decreasing the object's
* ref-count.
* @return `RESULT_SUCCESS` or one of the following errors:
* - `ERR_INVALID_HANDLE`: an invalid handle was passed in.
*/
void Close(VAddr addr);
/**
* Looks up an object by its address.
* @return Pointer to the looked-up object, or `nullptr` if the handle is not valid.
*/
SharedPtr<Object> GetGeneric(VAddr addr) const;
/**
* Looks up an object by its address while verifying its type.
* @return Pointer to the looked-up object, or `nullptr` if the handle is not valid or its
* type differs from the requested one.
*/
template <class T>
SharedPtr<T> Get(VAddr addr) const {
return DynamicObjectCast<T>(GetGeneric(addr));
}
/// Closes all addresses held in this table.
void Clear();
private:
/// Stores the Object referenced by the address
std::map<VAddr, SharedPtr<Object>> objects;
};
extern ObjectAddressTable g_object_address_table;
} // namespace Kernel
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