Refactoring commands handling (#728)

* Refactoring commands handling

- Use Reflection to handle commands ID.
- Add all symbols (from SwIPC so not all time accurate).
- Re-sort some services commands methods.
- Some cleanup.
- Keep some empty constructor for consistency.

* Fix order in IProfile

Ryujinx.HLE/HOS/Services/Hid/IAppletResource.cs

@@ -2,28 +2,20 @@ using Ryujinx.HLE.HOS.Ipc;
 using Ryujinx.HLE.HOS.Kernel.Common;
 using Ryujinx.HLE.HOS.Kernel.Memory;
 using System;
-using System.Collections.Generic;
 
 namespace Ryujinx.HLE.HOS.Services.Hid
 {
     class IAppletResource : IpcService
     {
-        private Dictionary<int, ServiceProcessRequest> _commands;
-
-        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
-
         private KSharedMemory _hidSharedMem;
 
         public IAppletResource(KSharedMemory hidSharedMem)
         {
-            _commands = new Dictionary<int, ServiceProcessRequest>
-            {
-                { 0, GetSharedMemoryHandle }
-            };
-
             _hidSharedMem = hidSharedMem;
         }
 
+        [Command(0)]
+        // GetSharedMemoryHandle() -> handle<copy>
         public long GetSharedMemoryHandle(ServiceCtx context)
         {
             if (context.Process.HandleTable.GenerateHandle(_hidSharedMem, out int handle) != KernelResult.Success)