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BizHawk
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Rough in some code for BizInvoke in mono

This commit is contained in:
nattthebear 2016-02-20 11:54:44 -05:00
parent 787711389a
commit 1c4c5fb4a3
3 changed files with 32 additions and 6 deletions
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2
BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
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@ -65,8 +65,8 @@
<Compile Include="Base Implementations\TraceBuffer.cs" />
<Compile Include="BinaryQuickSerializer.cs" />
<Compile Include="BizInvoke\BizInvoker.cs" />
<Compile Include="BizInvoke\DynamicLibraryImportResolver.cs" />
<Compile Include="BizInvoke\IImportResolver.cs" />
<Compile Include="BizInvoke\Win32LibraryImportResolver.cs" />
<Compile Include="CodeDataLog.cs" />
<Compile Include="CoreAttributes.cs" />
<Compile Include="CoreComms.cs" />

32
BizHawk.Emulation.Common/BizInvoke/Win32LibraryImportResolver.cs → BizHawk.Emulation.Common/BizInvoke/DynamicLibraryImportResolver.cs
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@ -6,27 +6,40 @@ using System.Runtime.InteropServices;
namespace BizHawk.Emulation.Common.BizInvoke
{
public class Win32LibraryImportResolver : IImportResolver, IDisposable
public class DynamicLibraryImportResolver : IImportResolver, IDisposable
{
private IntPtr _p;
public Win32LibraryImportResolver(string dllName)
public DynamicLibraryImportResolver(string dllName)
{
#if !MONO
_p = Win32.LoadLibrary(dllName);
#else
// TODO: how can we read name remaps out of app.confg <dllmap> ?
_p = Libdl.dlopen(dllName, Libdl.RTLD_NOW);
#endif
if (_p == IntPtr.Zero)
throw new InvalidOperationException("LoadLibrary returned NULL");
}
public IntPtr Resolve(string entryPoint)
{
#if !MONO
return Win32.GetProcAddress(_p, entryPoint);
#else
return Libdl.dlsym(_p, entryPoint);
#endif
}
private void Free()
{
if (_p != IntPtr.Zero)
{
#if !MONO
Win32.FreeLibrary(_p);
#else
Libdl.dlclose(_p);
#endif
_p = IntPtr.Zero;
}
}
@ -37,11 +50,12 @@ namespace BizHawk.Emulation.Common.BizInvoke
GC.SuppressFinalize(this);
}
~Win32LibraryImportResolver()
~DynamicLibraryImportResolver()
{
Free();
}
#if !MONO
private static class Win32
{
[DllImport("kernel32.dll")]
@ -51,5 +65,17 @@ namespace BizHawk.Emulation.Common.BizInvoke
[DllImport("kernel32.dll")]
public static extern bool FreeLibrary(IntPtr hModule);
}
#else
private static class Libdl
{
[DllImport("libdl.so")]
public static extern IntPtr dlopen(string filename, int flags);
[DllImport("libdl.so")]
public static extern IntPtr dlsym(IntPtr handle, string symbol);
[DllImport("libdl.so")]
public static extern int dlclose(IntPtr handle);
public const int RTLD_NOW = 2;
}
#endif
}
}

4
BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs
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@ -28,12 +28,12 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
IStatable, IDebuggable, ISettable<QuickNES.QuickNESSettings, QuickNES.QuickNESSyncSettings>, Cores.Nintendo.NES.INESPPUViewable
{
static readonly LibQuickNES QN;
static readonly Win32LibraryImportResolver Resolver;
static readonly DynamicLibraryImportResolver Resolver;
static QuickNES()
{
Resolver = new Win32LibraryImportResolver(LibQuickNES.dllname);
Resolver = new DynamicLibraryImportResolver(LibQuickNES.dllname);
QN = BizInvoker.GetInvoker<LibQuickNES>(Resolver);
}