add memory tracking

src/rvprof_hooks.c

@@ -25,4 +25,3 @@ void __cyg_profile_func_exit(void *this_fn, void *call_site){
         rvprof_finalize();
     }
 }
-

src/rvprof_internal.h

@@ -133,9 +133,9 @@ extern rvprof_context_t g_rvprof;
 
 // internal API
 
-// memory management
+// memory management, used to track memory overhead
 void* rvprof_malloc(size_t size);
-void* rvprof_reallovc(void* ptr, size_t old_size, size_t new_size);
+void* rvprof_realloc(void* ptr, size_t old_size, size_t new_size);
 void rvprof_free(void* ptr, size_t size);
 
 // dynamic array management

src/rvprof_memory.c

@@ -0,0 +1,2 @@
+#include "rvprof_internal.h" 
+