public ILImporter(ILInterpreter interpreter, MethodDesc method, MethodIL methodIL)
{
_ilBytes = methodIL.GetILBytes();
_method = method;
_methodIL = methodIL;
_interpreter = interpreter;
var ilExceptionRegions = methodIL.GetExceptionRegions();
_exceptionRegions = new ExceptionRegion[methodIL.GetExceptionRegions().Length];
for (int i = 0; i < ilExceptionRegions.Length; i++)
{
_exceptionRegions[i] = new ExceptionRegion()
{
ILRegion = ilExceptionRegions[i]
};
}
}
public void InterpretDll(string path, string[] args)
{
using (var stream = File.OpenRead(path))
using (var reader = new PEReader(stream))
{
var metadataReader = reader.GetMetadataReader();
// https://github.com/dotnet/corefx/blob/cea2a3e00c9a508fbf92bcaf0aeb4df833514057/src/System.Reflection.MetadataLoadContext/src/System/Reflection/TypeLoading/Modules/Ecma/EcmaModule.cs#L50
var entryPointToken = reader.PEHeaders.CorHeader.EntryPointTokenOrRelativeVirtualAddress;
var handle = entryPointToken.AsHandle();
if (handle.Kind != HandleKind.MethodDefinition)
{
ThrowHelper.ThrowInvalidProgramException();
}
var entryPoint = metadataReader.GetMethodDefinition((MethodDefinitionHandle)handle);
var entryPointBody = reader.GetMethodBody(entryPoint.RelativeVirtualAddress);
var arguments = PrepareEntryPointArguments(entryPoint, args);
var interpreter = new ILInterpreter(reader, metadataReader, entryPoint, entryPointBody);
interpreter.InterpretMethod(ref arguments);
}
}
