added missing makefile and updated readme with more details

.gitignore

@@ -0,0 +1,11 @@
+################################################################################
+# This .gitignore file was automatically created by Microsoft(R) Visual Studio.
+################################################################################
+
+/.vs/*
+#/docs/wwwroot/lib/*
+#/docs/wwwroot/scripts/*
+obj/
+bin/
+.git/
+CMakeFiles/

CoreCLRHost.cpp

@@ -30,12 +30,12 @@ int runFromEntryPoint(
 
   std::string tpaList;
   AddFilesFromDirectoryToTpaList( clrFilesAbsolutePath, tpaList );
-  std::cout<<"line 32"<<std::endl;
+  //std::cout<<"line 32"<<std::endl;
   auto dl = dynamicLinker::dynamicLinker::make_new( coreClrDllPath );
   auto coreclr_initialize = dl->getFunction<coreclrInitializeFunction>("coreclr_initialize");
   auto coreclr_shutdown = dl->getFunction<coreclrShutdownFunction>("coreclr_shutdown");
   auto coreclr_create_delegate = dl->getFunction<coreclrCreateDelegateFunction>("coreclr_create_delegate");
- std::cout<<"line 37"<<std::endl;
+ //std::cout<<"line 37"<<std::endl;
   try {
     dl->open();
     coreclr_initialize.init();
@@ -176,7 +176,6 @@ JNIEXPORT jint JNICALL Java_Sample1_intMethod
             }
 JNIEXPORT jint JNICALL Java_Sample1_coreClrHost(JNIEnv *env, jobject obj, jstring string)
     {
-  std::cout<<"haha"<<std::endl;
   const char *str = env->GetStringUTFChars(string,0);
   char cap[128];
   strcpy(cap,str);
@@ -216,7 +215,7 @@ JNIEXPORT jint JNICALL Java_Sample1_coreClrHost(JNIEnv *env, jobject obj, jstrin
 
   int exitCode = runFromEntryPoint(
                           cwd, //+std::string("./tar.so"), // absolute path to this exe
-                          std::string("/usr/share/dotnet/shared/Microsoft.NETCore.App/2.2.1/"),     // absolute path to coreCLR DLLs
+                          std::string("/usr/share/dotnet/shared/Microsoft.NETCore.App/2.1.30/"),     // absolute path to coreCLR DLLs
                           assemblyDir, // absolute path to DLL to run
                           assemblyName,
                           std::string("Managed"),

Makefile

@@ -0,0 +1,222 @@
+# CMAKE generated file: DO NOT EDIT!
+# Generated by "Unix Makefiles" Generator, CMake Version 3.16
+
+# Default target executed when no arguments are given to make.
+default_target: all
+
+.PHONY : default_target
+
+# Allow only one "make -f Makefile2" at a time, but pass parallelism.
+.NOTPARALLEL:
+
+
+#=============================================================================
+# Special targets provided by cmake.
+
+# Disable implicit rules so canonical targets will work.
+.SUFFIXES:
+
+
+# Remove some rules from gmake that .SUFFIXES does not remove.
+SUFFIXES =
+
+.SUFFIXES: .hpux_make_needs_suffix_list
+
+
+# Suppress display of executed commands.
+$(VERBOSE).SILENT:
+
+
+# A target that is always out of date.
+cmake_force:
+
+.PHONY : cmake_force
+
+#=============================================================================
+# Set environment variables for the build.
+
+# The shell in which to execute make rules.
+SHELL = /bin/sh
+
+# The CMake executable.
+CMAKE_COMMAND = /usr/bin/cmake
+
+# The command to remove a file.
+RM = /usr/bin/cmake -E remove -f
+
+# Escaping for special characters.
+EQUALS = =
+
+# The top-level source directory on which CMake was run.
+CMAKE_SOURCE_DIR = /mnt/d/Projects/Nitin/Java2CSharp/Java2CSharp
+
+# The top-level build directory on which CMake was run.
+CMAKE_BINARY_DIR = /mnt/d/Projects/Nitin/Java2CSharp/Java2CSharp
+
+#=============================================================================
+# Targets provided globally by CMake.
+
+# Special rule for the target rebuild_cache
+rebuild_cache:
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "Running CMake to regenerate build system..."
+	/usr/bin/cmake -S$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)
+.PHONY : rebuild_cache
+
+# Special rule for the target rebuild_cache
+rebuild_cache/fast: rebuild_cache
+
+.PHONY : rebuild_cache/fast
+
+# Special rule for the target edit_cache
+edit_cache:
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "No interactive CMake dialog available..."
+	/usr/bin/cmake -E echo No\ interactive\ CMake\ dialog\ available.
+.PHONY : edit_cache
+
+# Special rule for the target edit_cache
+edit_cache/fast: edit_cache
+
+.PHONY : edit_cache/fast
+
+# The main all target
+all: cmake_check_build_system
+	$(CMAKE_COMMAND) -E cmake_progress_start /mnt/d/Projects/Nitin/Java2CSharp/Java2CSharp/CMakeFiles /mnt/d/Projects/Nitin/Java2CSharp/Java2CSharp/CMakeFiles/progress.marks
+	$(MAKE) -f CMakeFiles/Makefile2 all
+	$(CMAKE_COMMAND) -E cmake_progress_start /mnt/d/Projects/Nitin/Java2CSharp/Java2CSharp/CMakeFiles 0
+.PHONY : all
+
+# The main clean target
+clean:
+	$(MAKE) -f CMakeFiles/Makefile2 clean
+.PHONY : clean
+
+# The main clean target
+clean/fast: clean
+
+.PHONY : clean/fast
+
+# Prepare targets for installation.
+preinstall: all
+	$(MAKE) -f CMakeFiles/Makefile2 preinstall
+.PHONY : preinstall
+
+# Prepare targets for installation.
+preinstall/fast:
+	$(MAKE) -f CMakeFiles/Makefile2 preinstall
+.PHONY : preinstall/fast
+
+# clear depends
+depend:
+	$(CMAKE_COMMAND) -S$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 1
+.PHONY : depend
+
+#=============================================================================
+# Target rules for targets named sample1
+
+# Build rule for target.
+sample1: cmake_check_build_system
+	$(MAKE) -f CMakeFiles/Makefile2 sample1
+.PHONY : sample1
+
+# fast build rule for target.
+sample1/fast:
+	$(MAKE) -f CMakeFiles/sample1.dir/build.make CMakeFiles/sample1.dir/build
+.PHONY : sample1/fast
+
+#=============================================================================
+# Target rules for targets named tar
+
+# Build rule for target.
+tar: cmake_check_build_system
+	$(MAKE) -f CMakeFiles/Makefile2 tar
+.PHONY : tar
+
+# fast build rule for target.
+tar/fast:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/build
+.PHONY : tar/fast
+
+CoreCLRHost.o: CoreCLRHost.cpp.o
+
+.PHONY : CoreCLRHost.o
+
+# target to build an object file
+CoreCLRHost.cpp.o:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/CoreCLRHost.cpp.o
+.PHONY : CoreCLRHost.cpp.o
+
+CoreCLRHost.i: CoreCLRHost.cpp.i
+
+.PHONY : CoreCLRHost.i
+
+# target to preprocess a source file
+CoreCLRHost.cpp.i:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/CoreCLRHost.cpp.i
+.PHONY : CoreCLRHost.cpp.i
+
+CoreCLRHost.s: CoreCLRHost.cpp.s
+
+.PHONY : CoreCLRHost.s
+
+# target to generate assembly for a file
+CoreCLRHost.cpp.s:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/CoreCLRHost.cpp.s
+.PHONY : CoreCLRHost.cpp.s
+
+dynamicLinker/dynamicLinker.o: dynamicLinker/dynamicLinker.cpp.o
+
+.PHONY : dynamicLinker/dynamicLinker.o
+
+# target to build an object file
+dynamicLinker/dynamicLinker.cpp.o:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/dynamicLinker/dynamicLinker.cpp.o
+.PHONY : dynamicLinker/dynamicLinker.cpp.o
+
+dynamicLinker/dynamicLinker.i: dynamicLinker/dynamicLinker.cpp.i
+
+.PHONY : dynamicLinker/dynamicLinker.i
+
+# target to preprocess a source file
+dynamicLinker/dynamicLinker.cpp.i:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/dynamicLinker/dynamicLinker.cpp.i
+.PHONY : dynamicLinker/dynamicLinker.cpp.i
+
+dynamicLinker/dynamicLinker.s: dynamicLinker/dynamicLinker.cpp.s
+
+.PHONY : dynamicLinker/dynamicLinker.s
+
+# target to generate assembly for a file
+dynamicLinker/dynamicLinker.cpp.s:
+	$(MAKE) -f CMakeFiles/tar.dir/build.make CMakeFiles/tar.dir/dynamicLinker/dynamicLinker.cpp.s
+.PHONY : dynamicLinker/dynamicLinker.cpp.s
+
+# Help Target
+help:
+	@echo "The following are some of the valid targets for this Makefile:"
+	@echo "... all (the default if no target is provided)"
+	@echo "... clean"
+	@echo "... depend"
+	@echo "... rebuild_cache"
+	@echo "... edit_cache"
+	@echo "... sample1"
+	@echo "... tar"
+	@echo "... CoreCLRHost.o"
+	@echo "... CoreCLRHost.i"
+	@echo "... CoreCLRHost.s"
+	@echo "... dynamicLinker/dynamicLinker.o"
+	@echo "... dynamicLinker/dynamicLinker.i"
+	@echo "... dynamicLinker/dynamicLinker.s"
+.PHONY : help
+
+
+
+#=============================================================================
+# Special targets to cleanup operation of make.
+
+# Special rule to run CMake to check the build system integrity.
+# No rule that depends on this can have commands that come from listfiles
+# because they might be regenerated.
+cmake_check_build_system:
+	$(CMAKE_COMMAND) -S$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 0
+.PHONY : cmake_check_build_system
+

Managed.cs

@@ -6,16 +6,23 @@
 using System;
 using System.Runtime.InteropServices;
 
-public class Managed {
+public class Managed
+{
 
-[UnmanagedFunctionPointer(CallingConvention.ThisCall)]
-unsafe delegate void myDelegate( IntPtr thisptr );
+    [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
+    unsafe delegate void myDelegate(IntPtr thisptr);
 
-public static unsafe void runIt( IntPtr thisptr, IntPtr mem_fun ) {
-    Console.WriteLine("Here's C# code:");
+    public static unsafe void runIt(IntPtr thisptr, IntPtr mem_fun)
+    {
+        Console.WriteLine(ProcessStatement());
 
-    myDelegate fun = (myDelegate) Marshal.GetDelegateForFunctionPointer( mem_fun, typeof(myDelegate) );
+        //myDelegate fun = (myDelegate) Marshal.GetDelegateForFunctionPointer( mem_fun, typeof(myDelegate) );
 
-    fun(thisptr);  // first argument of member functions in C++ is "this", but it's hidden from us :-)
-  }
+        //fun(thisptr);  // first argument of member functions in C++ is "this", but it's hidden from us :-)
+    }
+    public static string ProcessStatement()
+    {
+        return "In ProcessStatement";
+    }
 }
+

Managed.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>library</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 </Project>

Managed.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.10.35027.167
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Managed", "Managed.csproj", "{66E3787C-26B9-4FDC-9329-C6BE4F9288DD}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{66E3787C-26B9-4FDC-9329-C6BE4F9288DD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{66E3787C-26B9-4FDC-9329-C6BE4F9288DD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{66E3787C-26B9-4FDC-9329-C6BE4F9288DD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{66E3787C-26B9-4FDC-9329-C6BE4F9288DD}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {21D43ED0-F3C3-4708-9E53-E577E5B5826F}
+	EndGlobalSection
+EndGlobal