strat: remove map namespace, svc: add address space defs

stratosphere/loader/source/ldr_auto_close.hpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 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::ldr {
+
+    class AutoCloseMap {
+        NON_COPYABLE(AutoCloseMap);
+        NON_MOVEABLE(AutoCloseMap);
+        private:
+            Result m_result;
+            uintptr_t m_map_address;
+            os::NativeHandle m_handle;
+            u64 m_address;
+            u64 m_size;
+        public:
+            AutoCloseMap(uintptr_t map, os::NativeHandle handle, u64 addr, u64 size) : m_map_address(map), m_handle(handle), m_address(addr), m_size(size) {
+                m_result = svc::MapProcessMemory(m_map_address, m_handle, m_address, m_size);
+            }
+
+            ~AutoCloseMap() {
+                if (m_handle != os::InvalidNativeHandle && R_SUCCEEDED(m_result)) {
+                    R_ABORT_UNLESS(svc::UnmapProcessMemory(m_map_address, m_handle, m_address, m_size));
+                }
+            }
+
+            Result GetResult() const {
+                return m_result;
+            }
+
+            bool IsSuccess() const {
+                return R_SUCCEEDED(m_result);
+            }
+
+            void Cancel() {
+                m_handle = os::InvalidNativeHandle;
+            }
+    };
+
+}