Implement a new JIT for Arm devices (#6057)

* Implement a new JIT for Arm devices

* Auto-format

* Make a lot of Assembler members read-only

* More read-only

* Fix more warnings

* ObjectDisposedException.ThrowIf

* New JIT cache for platforms that enforce W^X, currently unused

* Remove unused using

* Fix assert

* Pass memory manager type around

* Safe memory manager mode support + other improvements

* Actual safe memory manager mode masking support

* PR feedback

src/Ryujinx.Cpu/LightningJit/CompiledFunction.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace Ryujinx.Cpu.LightningJit
+{
+    readonly ref struct CompiledFunction
+    {
+        public readonly ReadOnlySpan<byte> Code;
+        public readonly int GuestCodeLength;
+
+        public CompiledFunction(ReadOnlySpan<byte> code, int guestCodeLength)
+        {
+            Code = code;
+            GuestCodeLength = guestCodeLength;
+        }
+    }
+}