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Qt: Run GDB server on emulation thread

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This commit is contained in:
Jean-Baptiste Boric
2023-02-25 17:27:03 +01:00
parent 4494a2c73c
commit 7810e68a58
8 changed files with 82 additions and 66 deletions
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55
src/duckstation-qt/gdbconnection.cpp
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@ -7,28 +7,31 @@
#include "qthost.h"
Log_SetChannel(GDBConnection);
GDBConnection::GDBConnection(QObject* parent, int descriptor) : QThread(parent), m_descriptor(descriptor)
GDBConnection::GDBConnection(GDBServer* parent, intptr_t descriptor) : QTcpSocket(parent), m_descriptor(descriptor)
{
Log_InfoPrintf("(%u) Accepted new connection on GDB server", m_descriptor);
connect(&m_socket, &QTcpSocket::readyRead, this, &GDBConnection::receivedData);
connect(&m_socket, &QTcpSocket::disconnected, this, &GDBConnection::gotDisconnected);
if (m_socket.setSocketDescriptor(m_descriptor))
if (!setSocketDescriptor(descriptor))
{
g_emu_thread->setSystemPaused(true, true);
}
else
{
Log_ErrorPrintf("(%u) Failed to set socket descriptor: %s", m_descriptor,
m_socket.errorString().toUtf8().constData());
Log_ErrorPrintf("(%" PRIdPTR ") Failed to set socket descriptor: %s", descriptor,
errorString().toUtf8().constData());
deleteLater();
return;
}
connect(g_emu_thread, &EmuThread::systemPaused, this, &GDBConnection::onEmulationPaused);
connect(g_emu_thread, &EmuThread::systemResumed, this, &GDBConnection::onEmulationResumed);
connect(this, &QTcpSocket::readyRead, this, &GDBConnection::receivedData);
connect(this, &QTcpSocket::disconnected, this, &GDBConnection::gotDisconnected);
Log_InfoPrintf("(%" PRIdPTR ") Client connected", m_descriptor);
m_seen_resume = System::IsPaused();
g_emu_thread->setSystemPaused(true);
}
void GDBConnection::gotDisconnected()
{
Log_InfoPrintf("(%u) Client disconnected", m_descriptor);
this->exit(0);
Log_InfoPrintf("(%" PRIdPTR ") Client disconnected", m_descriptor);
deleteLater();
}
void GDBConnection::receivedData()
@ -36,7 +39,7 @@ void GDBConnection::receivedData()
qint64 bytesRead;
char buffer[256];
while ((bytesRead = m_socket.read(buffer, sizeof(buffer))) > 0)
while ((bytesRead = read(buffer, sizeof(buffer))) > 0)
{
for (char c : std::string_view(buffer, bytesRead))
{
@ -44,19 +47,19 @@ void GDBConnection::receivedData()
if (GDBProtocol::IsPacketInterrupt(m_readBuffer))
{
Log_DebugPrintf("(%u) > Interrupt request", m_descriptor);
g_emu_thread->setSystemPaused(true, true);
Log_DebugPrintf("(%" PRIdPTR ") > Interrupt request", m_descriptor);
g_emu_thread->setSystemPaused(true);
m_readBuffer.erase();
}
else if (GDBProtocol::IsPacketContinue(m_readBuffer))
{
Log_DebugPrintf("(%u) > Continue request", m_descriptor);
g_emu_thread->setSystemPaused(false, false);
Log_DebugPrintf("(%" PRIdPTR ") > Continue request", m_descriptor);
g_emu_thread->setSystemPaused(false);
m_readBuffer.erase();
}
else if (GDBProtocol::IsPacketComplete(m_readBuffer))
{
Log_DebugPrintf("(%u) > %s", m_descriptor, m_readBuffer.c_str());
Log_DebugPrintf("(%" PRIdPTR ") > %s", m_descriptor, m_readBuffer.c_str());
writePacket(GDBProtocol::ProcessPacket(m_readBuffer));
m_readBuffer.erase();
}
@ -64,7 +67,8 @@ void GDBConnection::receivedData()
}
if (bytesRead == -1)
{
Log_ErrorPrintf("(%u) Failed to read from socket: %s", m_descriptor, m_socket.errorString().toUtf8().constData());
Log_ErrorPrintf("(%" PRIdPTR ") Failed to read from socket: %s", m_descriptor,
errorString().toUtf8().constData());
}
}
@ -87,9 +91,10 @@ void GDBConnection::onEmulationResumed()
void GDBConnection::writePacket(std::string_view packet)
{
Log_DebugPrintf("(%u) < %*s", m_descriptor, packet.length(), packet.data());
if (m_socket.write(packet.data(), packet.length()) == -1)
Log_DebugPrintf("(%" PRIdPTR ") < %*s", m_descriptor, packet.length(), packet.data());
if (write(packet.data(), packet.length()) == -1)
{
Log_ErrorPrintf("(%u) Failed to write to socket: %s", m_descriptor, m_socket.errorString().toUtf8().constData());
Log_ErrorPrintf("(%" PRIdPTR ") Failed to write to socket: %s", m_descriptor,
errorString().toUtf8().constData());
}
}