dmnt: first pass at breakpoints/watchpoints

stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager_base.hpp

@@ -0,0 +1,50 @@
+/*
+ * 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>
+
+namespace ams::dmnt {
+
+    class DebugProcess;
+
+    struct BreakPointBase {
+        bool m_in_use;
+        uintptr_t m_address;
+        size_t m_size;
+
+        BreakPointBase() : m_in_use(false) { /* ... */ }
+
+        void Reset() { m_in_use = false; }
+
+        virtual Result Clear(DebugProcess *debug_process) = 0;
+    };
+
+    class BreakPointManagerBase {
+        protected:
+            DebugProcess *m_debug_process;
+        public:
+            explicit BreakPointManagerBase(DebugProcess *debug_process);
+
+            void ClearAll();
+            void Reset();
+
+            Result ClearBreakPoint(uintptr_t address, size_t size);
+        protected:
+            virtual BreakPointBase *GetBreakPoint(size_t index) = 0;
+            BreakPointBase *GetFreeBreakPoint();
+    };
+
+}