43 lines
1,012 B
C
43 lines
1,012 B
C
|
/* 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
|