732a77d0e8
Prevents creating multiple copies of the vtable in every translation unit that uses the class. Also silences a -Wweak-vtables warning
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Copyright 2016 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
#include <boost/optional.hpp>
|
|
#include "common/common_types.h"
|
|
|
|
namespace Memory {
|
|
|
|
/**
|
|
* Memory hooks have two purposes:
|
|
* 1. To allow reads and writes to a region of memory to be intercepted. This is used to implement
|
|
* texture forwarding and memory breakpoints for debugging.
|
|
* 2. To allow for the implementation of MMIO devices.
|
|
*
|
|
* A hook may be mapped to multiple regions of memory.
|
|
*
|
|
* If a boost::none or false is returned from a function, the read/write request is passed through
|
|
* to the underlying memory region.
|
|
*/
|
|
class MemoryHook {
|
|
public:
|
|
virtual ~MemoryHook();
|
|
|
|
virtual boost::optional<bool> IsValidAddress(VAddr addr) = 0;
|
|
|
|
virtual boost::optional<u8> Read8(VAddr addr) = 0;
|
|
virtual boost::optional<u16> Read16(VAddr addr) = 0;
|
|
virtual boost::optional<u32> Read32(VAddr addr) = 0;
|
|
virtual boost::optional<u64> Read64(VAddr addr) = 0;
|
|
|
|
virtual bool ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) = 0;
|
|
|
|
virtual bool Write8(VAddr addr, u8 data) = 0;
|
|
virtual bool Write16(VAddr addr, u16 data) = 0;
|
|
virtual bool Write32(VAddr addr, u32 data) = 0;
|
|
virtual bool Write64(VAddr addr, u64 data) = 0;
|
|
|
|
virtual bool WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) = 0;
|
|
};
|
|
|
|
using MemoryHookPointer = std::shared_ptr<MemoryHook>;
|
|
} // namespace Memory
|