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using Ryujinx.Tests.Unicorn.Native.Const;
using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
namespace Ryujinx.Tests.Unicorn.Native
{
public static class Interface
{
public static bool IsUnicornAvailable { get; private set; } = true;
private static IntPtr ImportResolver(string libraryName, Assembly assembly, DllImportSearchPath? searchPath)
{
if (libraryName == "unicorn")
{
string loadPath = $"{Path.GetDirectoryName(assembly.Location)}/";
loadPath += OperatingSystem.IsWindows() ? $"{libraryName}.dll" : $"lib{libraryName}.so";
if (!NativeLibrary.TryLoad(loadPath, out IntPtr libraryPtr))
{
IsUnicornAvailable = false;
Console.Error.WriteLine($"ERROR: Could not find unicorn at: {loadPath}");
}
return libraryPtr;
}
// Otherwise, fallback to default import resolver.
return IntPtr.Zero;
}
static Interface()
{
NativeLibrary.SetDllImportResolver(Assembly.GetExecutingAssembly(), ImportResolver);
}
public static void Checked(Error error)
{
if (error != Error.OK)
{
throw new UnicornException(error);
}
}
public static void MarshalArrayOf<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors | DynamicallyAccessedMemberTypes.NonPublicConstructors)] T>(IntPtr input, int length, out T[] output)
{
int size = Marshal.SizeOf<T>();
output = new T[length];
for (int i = 0; i < length; i++)
{
IntPtr item = new IntPtr(input.ToInt64() + i * size);
output[i] = Marshal.PtrToStructure<T>(item);
}
}
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern uint uc_version(out uint major, out uint minor);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_open(Arch arch, Mode mode, out IntPtr uc);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_close(IntPtr uc);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr uc_strerror(Error err);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_reg_write(IntPtr uc, int regid, byte[] value);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_reg_read(IntPtr uc, int regid, byte[] value);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_mem_write(IntPtr uc, ulong address, byte[] bytes, ulong size);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_mem_read(IntPtr uc, ulong address, byte[] bytes, ulong size);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_emu_start(IntPtr uc, ulong begin, ulong until, ulong timeout, ulong count);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_mem_map(IntPtr uc, ulong address, ulong size, uint perms);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_mem_unmap(IntPtr uc, ulong address, ulong size);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_mem_protect(IntPtr uc, ulong address, ulong size, uint perms);
[DllImport("unicorn", CallingConvention = CallingConvention.Cdecl)]
public static extern Error uc_mem_regions(IntPtr uc, out IntPtr regions, out uint count);
}
}
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