mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-09-09 00:13:20 +02:00
77 lines
2.1 KiB
C#
77 lines
2.1 KiB
C#
using System;
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using System.Runtime.InteropServices;
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class FuncLoader
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{
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private class Windows
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{
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[DllImport("kernel32", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
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public static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
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[DllImport("kernel32", SetLastError = true, CharSet = CharSet.Unicode)]
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public static extern IntPtr LoadLibraryW(string lpszLib);
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}
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private class Linux
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{
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[DllImport("libdl.so.2")]
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public static extern IntPtr dlopen(string path, int flags);
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[DllImport("libdl.so.2")]
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public static extern IntPtr dlsym(IntPtr handle, string symbol);
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}
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private class OSX
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{
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[DllImport("/usr/lib/libSystem.dylib")]
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public static extern IntPtr dlopen(string path, int flags);
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[DllImport("/usr/lib/libSystem.dylib")]
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public static extern IntPtr dlsym(IntPtr handle, string symbol);
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}
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private static bool IsWindows, IsOSX;
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static FuncLoader()
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{
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IsWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
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IsOSX = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
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}
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public static IntPtr LoadLibrary(string libname)
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{
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if (IsWindows)
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return Windows.LoadLibraryW(libname);
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if (IsOSX)
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return OSX.dlopen(libname, 1);
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return Linux.dlopen(libname, 1);
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}
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public static IntPtr GetProcAddress(IntPtr library, string function)
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{
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var ret = IntPtr.Zero;
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if (IsWindows)
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ret = Windows.GetProcAddress(library, function);
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else if (IsOSX)
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ret = OSX.dlsym(library, function);
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else
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ret = Linux.dlsym(library, function);
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if (ret == IntPtr.Zero)
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Console.WriteLine("[WARNING] Function not found: " + function);
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return ret;
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}
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public static T LoadFunction<T>(IntPtr procaddress)
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{
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if (procaddress == IntPtr.Zero)
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return default(T);
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return Marshal.GetDelegateForFunctionPointer<T>(procaddress);
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}
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}
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