some CMemory additions

Runtime/CCallStack.hpp

@@ -0,0 +1,20 @@
+#ifndef __RETRO_CCALLSTACK_HPP__
+#define __RETRO_CCALLSTACK_HPP__
+
+namespace Retro
+{
+
+class CCallStack
+{
+    const char* x0_fileAndLineStr;
+    const char* x4_typeStr;
+public:
+    CCallStack(char const* fileAndLineStr, char const* typeStr)
+    : x0_fileAndLineStr(fileAndLineStr), x4_typeStr(typeStr) {}
+    const char* GetFileAndLineText() const {return x0_fileAndLineStr;}
+    const char* GetTypeText() const {return x4_typeStr;}
+};
+
+}
+
+#endif // __RETRO_CCALLSTACK_HPP__