initial work on linker

CMakeLists.txt

@@ -26,7 +26,14 @@ add_executable(shadps4
     src/Loader/Elf.cpp
     src/Loader/Elf.h
     src/GUI/ElfViewer.cpp
-    src/GUI/ElfViewer.h "src/Util/Log.h" "src/Util/Log.cpp" "src/Core/Memory.cpp" "src/Core/Memory.h")
+    src/GUI/ElfViewer.h 
+    src/Util/Log.h
+    src/Util/Log.cpp
+    src/Core/Memory.cpp
+    src/Core/Memory.h
+    src/Core/PS4/Linker.cpp
+    src/Core/PS4/Linker.h
+     "src/Util/Singleton.h")
 
 find_package(OpenGL REQUIRED)
 

src/Core/PS4/Linker.cpp

@@ -0,0 +1,16 @@
+#include "Linker.h"
+
+Linker::Linker()
+{
+}
+
+Linker::~Linker()
+{
+}
+
+Module* Linker::LoadModule(const std::string& elf_name)
+{
+	auto* m = new Module;
+
+	return m;
+}

src/Core/PS4/Linker.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "../../Loader/Elf.h"
+
+/*this struct keeps neccesary info about loaded modules.Main executeable is included too as well*/
+struct Module
+{
+	Elf* elf = nullptr;
+};
+
+class Linker
+{
+public:
+	Linker();
+	virtual ~Linker();
+
+	Module* LoadModule(const std::string& elf_name);
+};

src/Util/Singleton.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <cstdlib>
+#include <new>
+
+template <class T>
+class Singleton
+{
+public:
+	static T* Instance()
+	{
+		if (!m_instance)
+		{
+			m_instance = static_cast<T*>(std::malloc(sizeof(T)));
+			new (m_instance) T;
+		}
+
+		return m_instance;
+	}
+
+protected:
+	Singleton();
+	~Singleton();
+
+private:
+	static inline T* m_instance = nullptr;
+};