public void IL_LazyLoad() { var peStream = new MemoryStream(TestResources.Misc.Members); using (var reader = new PEReader(peStream, PEStreamOptions.LeaveOpen)) { var md = reader.GetMetadataReader(); var il = reader.GetMethodBody(md.GetMethodDefinition(MetadataTokens.MethodDefinitionHandle(1)).RelativeVirtualAddress); Assert.Equal(new byte[] { 0, 42 }, il.GetILBytes()); Assert.Equal(8, il.MaxStack); } }
/// <remarks> /// Based on https://gist.github.com/nguerrera/72444715c7ea0b40addb /// </remarks> public static byte[] GetILBytes(this MethodInfo methodInfo) { #if NET45 return methodInfo.GetMethodBody().GetILAsByteArray(); #else var metadataToken = methodInfo.GetMetadataToken(); using (var stream = File.OpenRead(methodInfo.DeclaringType.GetTypeInfo().Assembly.Location)) using (var peReader = new PEReader(stream)) { var metadataReader = peReader.GetMetadataReader(); var methodHandle = MetadataTokens.MethodDefinitionHandle(metadataToken); var methodDefinition = metadataReader.GetMethodDefinition(methodHandle); var methodBody = peReader.GetMethodBody(methodDefinition.RelativeVirtualAddress); return methodBody.GetILBytes(); } #endif }
public void Metadata_EagerLoad() { var peStream = new MemoryStream(TestResources.Misc.Members); using (var reader = new PEReader(peStream, PEStreamOptions.LeaveOpen | PEStreamOptions.PrefetchMetadata)) { var md = reader.GetMetadataReader(); var method = md.GetMethodDefinition(MetadataTokens.MethodDefinitionHandle(1)); Assert.Equal("MC1", md.GetString(method.Name)); Assert.Throws<InvalidOperationException>(() => reader.GetEntireImage()); Assert.Throws<InvalidOperationException>(() => reader.GetMethodBody(method.RelativeVirtualAddress)); } }