dmnt: refactor/add support for getting process list in gdb

stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "dmnt2_gdb_packet_io.hpp"
+
+namespace ams::dmnt {
+
+    class GdbServerImpl {
+        private:
+            int m_socket;
+            HtcsSession m_session;
+            GdbPacketIo m_packet_io;
+            char *m_receive_packet{nullptr};
+            char *m_reply_packet{nullptr};
+            char m_buffer[GdbPacketBufferSize / 2];
+            svc::Handle m_debug_handle{svc::InvalidHandle};
+        public:
+            GdbServerImpl(int socket);
+            ~GdbServerImpl();
+
+            void LoopProcess();
+        private:
+            void ProcessPacket(char *receive, char *reply);
+
+            void SendPacket(bool *out_break, const char *src) { return m_packet_io.SendPacket(out_break, src, std::addressof(m_session)); }
+            char *ReceivePacket(bool *out_break, char *dst, size_t size) { return m_packet_io.ReceivePacket(out_break, dst, size, std::addressof(m_session)); }
+        private:
+            bool HasDebugProcess() const { return m_debug_handle != svc::InvalidHandle; }
+            bool Is64Bit() const { return true; /* TODO: Retrieve from debug process info. */ }
+        private:
+            void H();
+            void q();
+
+            void qAttached();
+            void qC();
+            void qSupported();
+            void qXfer();
+            void qXferFeaturesRead();
+            void qXferOsdataRead();
+
+            void QuestionMark();
+    };
+
+}