Lab8

Lab8/ex1.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <unistd.h>
+#include "string.h"
+
+int main() {    
+    char* pass = "";
+
+    size_t pid = getpid();
+    printf("\n%d\n", pid);
+    while (1) {}
+    
+}
+
+
+
+/*
+Create a simple program which stores only a message in the heap.
+Keep the program running and access the maps file at
+/proc/{pid}/maps. Print the content of the file to stdout. Locate
+the start and end addresses of the heap.
+You can access the virtual memory of the process whose id is pid
+at /proc/{pid}/mem. Try to access the file using less command.
+Access the heap of the program using 
+Navigate the heap memory file till finding the message. Locate the
+page number where the message is stored and its address.
+Access the file /proc/{pid}/smaps and specify what the total size
+of pages of the heap. What is the file /proc/{pid}/map files?
+Use the command pmap to check the memory mappings of the
+process.
+*/