erpt: reimplement the sysmodule (#875)

* erpt: reimplement the sysmodule

* fatal: update for latest bindings

* erpt: amend logic for culling orphan attachments

libraries/libstratosphere/source/erpt/srv/erpt_srv_allocator.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::erpt::srv {
+
+    extern lmem::HeapHandle g_heap_handle;
+
+    class Allocator {
+        public:
+            void *operator new(size_t sz) { return lmem::AllocateFromExpHeap(g_heap_handle, sz); }
+            void *operator new(size_t sz, size_t algn) { return lmem::AllocateFromExpHeap(g_heap_handle, sz, static_cast<s32>(algn)); }
+            void *operator new[](size_t sz) { return lmem::AllocateFromExpHeap(g_heap_handle, sz); }
+            void *operator new[](size_t sz, size_t algn) { return lmem::AllocateFromExpHeap(g_heap_handle, sz, static_cast<s32>(algn)); }
+
+            void operator delete(void *p) { lmem::FreeToExpHeap(g_heap_handle, p); }
+            void operator delete[](void *p) { lmem::FreeToExpHeap(g_heap_handle, p); }
+    };
+
+    inline void *Allocate(size_t sz) {
+        return lmem::AllocateFromExpHeap(g_heap_handle, sz);
+    }
+
+    inline void *AllocateWithAlign(size_t sz, size_t align) {
+        return lmem::AllocateFromExpHeap(g_heap_handle, sz, align);
+    }
+
+    inline void Deallocate(void *p) {
+        return lmem::FreeToExpHeap(g_heap_handle, p);
+    }
+
+    inline void DeallocateWithSize(void *p, size_t size) {
+        return lmem::FreeToExpHeap(g_heap_handle, p);
+    }
+
+}