dynarmic/src/backend_x64/constant_pool.h

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/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#pragma once
#include <map>
#include <xbyak.h>
#include "common/common_types.h"
namespace Dynarmic {
namespace BackendX64 {
class BlockOfCode;
/// ConstantPool allocates a block of memory from BlockOfCode.
/// It places constants into this block of memory, returning the address
/// of the memory location where the constant is placed. If the constant
/// already exists, its memory location is reused.
class ConstantPool final {
public:
ConstantPool(BlockOfCode* code, size_t size);
Xbyak::Address GetConstant(u64 constant);
private:
constexpr static size_t align_size = 16; // bytes
std::map<u64, void*> constant_info;
BlockOfCode* code;
size_t pool_size;
u8* pool_begin;
u8* current_pool_ptr;
};
} // namespace BackendX64
} // namespace Dynarmic