improved base and added PP defines KERNEL_UPSTREAM TESTING DEBUG

um/test/Makefile

@@ -0,0 +1,35 @@
+# Define the name of your application
+APP_NAME = test_app
+
+# Source files for your application
+APP_SRCS = main.cpp
+APP_OBJS = $(APP_SRCS:.cpp=.o)
+
+# Compiler and compiler flags
+CXX = g++
+CXXFLAGS = -Wall -Werror -fexceptions
+
+# Library name and source files
+LIB_NAME = libmath_module.so
+LIB_SRCS = math_module.cpp
+LIB_OBJS = $(LIB_SRCS:.cpp=.o)
+
+# Additional flags for creating PIC code
+PICFLAGS = -fPIC
+
+# The default target is 'all', which builds your application
+all: $(APP_NAME) $(LIB_NAME)
+
+$(APP_NAME): $(APP_OBJS) $(LIB_NAME)
+	$(CXX) $(CXXFLAGS) -o $@ $(APP_OBJS) -L. -lmath_module -Wl,-rpath,'$$ORIGIN'
+
+$(LIB_NAME): $(LIB_OBJS)
+	$(CXX) -shared -o $@ $(LIB_OBJS) $(CXXFLAGS)
+
+# Compile source files to object files
+%.o: %.cpp
+	$(CXX) $(CXXFLAGS) $(PICFLAGS) -c $< -o $@
+
+# Clean rule to remove the executable, object files, and library
+clean:
+	rm -f $(APP_NAME) $(APP_OBJS) $(LIB_NAME) $(LIB_OBJS)

um/test/addr.txt

@@ -0,0 +1 @@
+0x7fff7203ed94

um/test/main.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+#include <cstdlib>
+#include <fstream>
+#include <cstdint>
+
+#include "math_module.h"
+
+int main() {
+    MathModule math;
+	
+    int result = math.add(10, 5);
+    std::cout << "10 + 5 = " << result << std::endl;
+	
+    result = math.subtract(10, 5);
+    std::cout << "10 - 5 = " << result << std::endl;
+	
+    result = math.multiply(10, 5);
+    std::cout << "10 * 5 = " << result << std::endl;
+	
+    double divisionResult = math.divide(10.0, 5.0);
+    std::cout << "10 / 5 = " << divisionResult << std::endl;
+
+
+    int var = 0;
+	uint64_t* var_virtaddr = reinterpret_cast<uint64_t*>(&var);
+	std::ofstream outFile("addr.txt");
+	if (!outFile.is_open()) {
+		std::cerr << "Error: Could not open the file for writing." << std::endl;
+		return 1;
+	}
+	outFile << var_virtaddr;
+	outFile.close();
+	
+    while (true) {
+        int random_increment = std::rand() % 100; // Generate a random number between 0 and 99
+        std::cout << "before inc value=" << std::dec << var << "@" << std::hex << var_virtaddr << std::endl;
+        var += random_increment;
+        std::cout << "after inc value=" << std::dec << var << "@" << std::hex << var_virtaddr << std::endl;
+        std::cin.get(); // Wait for Enter key press
+    }
+
+    return 0;
+}
+//export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:.

um/test/math_module.cpp

@@ -0,0 +1,24 @@
+#include "math_module.h"
+
+MathModule::MathModule() {
+    // Constructor, if any initialization is needed
+}
+
+int MathModule::add(int a, int b) {
+    return a + b;
+}
+
+int MathModule::subtract(int a, int b) {
+    return a - b;
+}
+
+int MathModule::multiply(int a, int b) {
+    return a * b;
+}
+
+double MathModule::divide(double a, double b) {
+    if (b == 0) {
+        throw "Division by zero is not allowed.";
+    }
+    return a / b;
+}

um/test/math_module.h

@@ -0,0 +1,14 @@
+#ifndef MATH_MODULE_H
+#define MATH_MODULE_H
+
+class MathModule {
+public:
+    MathModule();  // Constructor
+
+    int add(int a, int b);
+    int subtract(int a, int b);
+    int multiply(int a, int b);
+    double divide(double a, double b);
+};
+
+#endif