112 lines
2.3 KiB
C++
112 lines
2.3 KiB
C++
// Copyright 2015 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <fstream>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <unistd.h>
|
|
|
|
#include "Common/FileUtil.h"
|
|
#include "Core/HW/SystemTimers.h"
|
|
#include "Core/MemoryWatcher.h"
|
|
#include "Core/PowerPC/MMU.h"
|
|
|
|
MemoryWatcher::MemoryWatcher()
|
|
{
|
|
m_running = false;
|
|
if (!LoadAddresses(File::GetUserPath(F_MEMORYWATCHERLOCATIONS_IDX)))
|
|
return;
|
|
if (!OpenSocket(File::GetUserPath(F_MEMORYWATCHERSOCKET_IDX)))
|
|
return;
|
|
m_running = true;
|
|
}
|
|
|
|
MemoryWatcher::~MemoryWatcher()
|
|
{
|
|
if (!m_running)
|
|
return;
|
|
|
|
m_running = false;
|
|
close(m_fd);
|
|
}
|
|
|
|
bool MemoryWatcher::LoadAddresses(const std::string& path)
|
|
{
|
|
std::ifstream locations;
|
|
File::OpenFStream(locations, path, std::ios_base::in);
|
|
if (!locations)
|
|
return false;
|
|
|
|
std::string line;
|
|
while (std::getline(locations, line))
|
|
ParseLine(line);
|
|
|
|
return !m_values.empty();
|
|
}
|
|
|
|
void MemoryWatcher::ParseLine(const std::string& line)
|
|
{
|
|
m_values[line] = 0;
|
|
m_addresses[line] = std::vector<u32>();
|
|
|
|
std::istringstream offsets(line);
|
|
offsets >> std::hex;
|
|
u32 offset;
|
|
while (offsets >> offset)
|
|
m_addresses[line].push_back(offset);
|
|
}
|
|
|
|
bool MemoryWatcher::OpenSocket(const std::string& path)
|
|
{
|
|
m_addr.sun_family = AF_UNIX;
|
|
strncpy(m_addr.sun_path, path.c_str(), sizeof(m_addr.sun_path) - 1);
|
|
|
|
m_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
|
|
return m_fd >= 0;
|
|
}
|
|
|
|
u32 MemoryWatcher::ChasePointer(const std::string& line)
|
|
{
|
|
u32 value = 0;
|
|
for (u32 offset : m_addresses[line])
|
|
{
|
|
value = PowerPC::HostRead_U32(value + offset);
|
|
if (!PowerPC::HostIsRAMAddress(value))
|
|
break;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
std::string MemoryWatcher::ComposeMessages()
|
|
{
|
|
std::ostringstream message_stream;
|
|
message_stream << std::hex;
|
|
|
|
for (auto& entry : m_values)
|
|
{
|
|
std::string address = entry.first;
|
|
u32& current_value = entry.second;
|
|
|
|
u32 new_value = ChasePointer(address);
|
|
if (new_value != current_value)
|
|
{
|
|
// Update the value
|
|
current_value = new_value;
|
|
message_stream << address << '\n' << new_value << '\n';
|
|
}
|
|
}
|
|
|
|
return message_stream.str();
|
|
}
|
|
|
|
void MemoryWatcher::Step()
|
|
{
|
|
if (!m_running)
|
|
return;
|
|
|
|
std::string message = ComposeMessages();
|
|
sendto(m_fd, message.c_str(), message.size() + 1, 0, reinterpret_cast<sockaddr*>(&m_addr),
|
|
sizeof(m_addr));
|
|
}
|