ncm: use static memory pools for different allocations

libraries/libstratosphere/include/stratosphere/sf/sf_mem_utility.hpp

@@ -0,0 +1,44 @@
+/*
+ * 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/sf/sf_common.hpp>
+#include <stratosphere/mem.hpp>
+
+namespace ams::sf {
+
+    class StandardAllocatorMemoryResource : public MemoryResource {
+        private:
+            mem::StandardAllocator *standard_allocator;
+        public:
+            explicit StandardAllocatorMemoryResource(mem::StandardAllocator *sa) : standard_allocator(sa) { /* ... */ }
+
+            mem::StandardAllocator *GetAllocator() const { return this->standard_allocator; }
+        private:
+            virtual void *AllocateImpl(size_t size, size_t alignment) override {
+                return this->standard_allocator->Allocate(size, alignment);
+            }
+
+            virtual void DeallocateImpl(void *buffer, size_t size, size_t alignment) override {
+                return this->standard_allocator->Free(buffer);
+            }
+
+            virtual bool IsEqualImpl(const MemoryResource &resource) const {
+                return this == std::addressof(resource);
+            }
+    };
+
+}