Debugger: Added single step debugging

pcsx2/DebugTools/GDBServer.h

@@ -69,6 +69,28 @@ class GDBServer final : public DebugServerInterface
 	bool processReadMemoryPacket(const std::string_view& data);
 	bool processWriteMemoryPacket(const std::string_view& data, bool binary);
 
+private:
+	u32 getRegisterSize(int id);
+	bool readRegister(int threadId, int id, u32& value);
+	bool writeRegister(int threadId, int id, u32 value);
+
+private:
+	bool writePacketBegin();
+	bool writePacketEnd();
+	bool writePacketData(const char* data, std::size_t size);
+
+	bool writeBaseResponse(std::string_view data);
+	bool writeThreadId(int threadId, int processId = 1);
+	bool writeRegisterValue(int threadId, int registerNumber);
+	bool writeAllRegisterValues(int threadId);
+
+private:
+	bool processXferPacket(std::string_view data);
+	bool processQueryPacket(std::string_view data);
+	bool processGeneralQueryPacket(std::string_view data);
+	bool processMultiletterPacket(std::string_view data);
+	bool processThreadPacket(std::string_view data);
+
 private:
 	int m_stateThreadCounter = -1;
 	std::vector<std::unique_ptr<BiosThread>> m_stateThreads;