diff --git a/Assets/dll/libdarm.so b/Assets/dll/libdarm.so
new file mode 100755
index 0000000000..fe0e31d009
Binary files /dev/null and b/Assets/dll/libdarm.so differ
diff --git a/src/BizHawk.Emulation.Cores/CPUs/ARM/Darm.cs b/src/BizHawk.Emulation.Cores/CPUs/ARM/Darm.cs
index 2c9b870bd3..9f0ac45a9d 100644
--- a/src/BizHawk.Emulation.Cores/CPUs/ARM/Darm.cs
+++ b/src/BizHawk.Emulation.Cores/CPUs/ARM/Darm.cs
@@ -2,11 +2,12 @@
 using System.Text;
 using System.Runtime.InteropServices;
 
+using BizHawk.BizInvoke;
+
 namespace BizHawk.Emulation.Cores.Components.ARM
 {
-	public static class Darm
+	public abstract class Darm
 	{
-		public const string dllname = "libdarm.dll";
 		public const CallingConvention cc = CallingConvention.Cdecl;
 
 		[StructLayout(LayoutKind.Sequential)]
@@ -76,20 +77,20 @@ namespace BizHawk.Emulation.Cores.Components.ARM
 			[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
 			public byte[] mnemonic = new byte[12];
 			[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6 * 32)]
-			public byte[,] arg = new byte[6, 32];
+			public byte[] arg = new byte[6 * 32];
 			[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
 			public byte[] shift = new byte[12];
 			[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
 			public byte[] total = new byte[64];
 		}
 
-		[DllImport(dllname, CallingConvention = cc, EntryPoint = "darm_disasm")]
-		public static extern bool Disassemble([Out] Darm_T d, ushort w, ushort w2, uint addr);
+		[BizImport(cc, Compatibility = true, EntryPoint = "darm_disasm")]
+		public abstract bool Disassemble([Out] Darm_T d, ushort w, ushort w2, uint addr);
 
-		[DllImport(dllname, CallingConvention = cc, EntryPoint = "darm_str2")]
-		public static extern bool Str([In] [Out]Darm_T d, [Out]Darm_Str_T s, bool lowercase);
+		[BizImport(cc, Compatibility = true, EntryPoint = "darm_str2")]
+		public abstract bool Str([In] [Out]Darm_T d, [Out]Darm_Str_T s, bool lowercase);
 
-		public static string DisassembleStuff(uint addr, uint opcode)
+		public string DisassembleStuff(uint addr, uint opcode)
 		{
 			var d = new Darm_T();
 			var s = new Darm_Str_T();
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs
index ce30c3d638..cedcfe5173 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs
@@ -1,4 +1,7 @@
 using System.Collections.Generic;
+
+using BizHawk.BizInvoke;
+using BizHawk.Common;
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Cores.Components.ARM;
 
@@ -6,6 +9,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 {
 	public class ArmV4Disassembler : VerifiedDisassembler
 	{
+		private readonly Darm _libdarm = BizInvoker.GetInvoker<Darm>(
+			new DynamicLibraryImportResolver(OSTailoredCode.IsUnixHost ? "libdarm.so" : "libdarm.dll", hasLimitedLifetime: false),
+			CallingConventionAdapters.Native
+		);
+
 		public override IEnumerable<string> AvailableCpus => new[]
 		{
 			"ARM v4",
@@ -20,7 +28,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 			{
 				addr &= unchecked((uint)~1);
 				int op = m.PeekByte((int)addr) | m.PeekByte((int)addr + 1) << 8;
-				string ret = Darm.DisassembleStuff(addr | 1, (uint)op);
+				string ret = _libdarm.DisassembleStuff(addr | 1, (uint)op);
 				length = 2;
 				return ret;
 			}
@@ -31,7 +39,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 					| m.PeekByte((int)addr + 1) << 8
 					| m.PeekByte((int)addr + 2) << 16
 					| m.PeekByte((int)addr + 3) << 24;
-				string ret = Darm.DisassembleStuff(addr, (uint)op);
+				string ret = _libdarm.DisassembleStuff(addr, (uint)op);
 				length = 4;
 				return ret;
 			}