diff --git a/related_info/lab1/lab1-ex2.c b/related_info/lab1/lab1-ex2.c
new file mode 100755
index 0000000..2f87a8b
--- /dev/null
+++ b/related_info/lab1/lab1-ex2.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+
+void A();
+void B(int a, int b, int c);
+
+int main()
+{
+	A();
+	return 0;
+}
+
+void A()
+{
+	unsigned int a = 1;
+	unsigned int b = 2;
+	unsigned int c = 3;
+	B(a,b,c);
+}
+
+
+void B(int d, int e, int f)
+{
+	int g;
+	unsigned int _ebp;
+	__asm__(
+		"movl %%ebp,%0\n\t" \
+		:"=r" (_ebp));
+	g=4;
+
+	printf(" [ebp-12] --?? = %p --- %d \n [ebp-08] --?? = %p --- %d \n [ebp-04] --?? = %p --- %d \n [ebp+00] -oebp= %p --- %p \n [ebp+04] -ret = %p --- %p \n [ebp+08] -- d = %p --- %d \n [ebp+12] -- e = %p --- %d \n [ebp+16] -- f = %p --- %d \n ",
+                 (unsigned *)(_ebp-12),  *(unsigned *)(_ebp-12), 
+                 (unsigned *)(_ebp-8),  *(unsigned *)(_ebp-8), 
+                 (unsigned *)(_ebp-4),  *(unsigned *)(_ebp-4), 
+                 (unsigned *)(_ebp),    *(unsigned *)(_ebp),
+                 (unsigned *)(_ebp+4),  *(unsigned *)(_ebp+4),
+                 (unsigned *)(_ebp+8),  *(unsigned *)(_ebp+8), 
+                 (unsigned *)(_ebp+12), *(unsigned *)(_ebp+12), 
+                 (unsigned *)(_ebp+16), *(unsigned *)(_ebp+16));
+
+}
diff --git a/related_info/lab1/lab1-ex2.md b/related_info/lab1/lab1-ex2.md
new file mode 100644
index 0000000..e25c7ee
--- /dev/null
+++ b/related_info/lab1/lab1-ex2.md
@@ -0,0 +1,8 @@
+# lab1-ex2
+Try below command (stack)
+
+```
+gcc -m32 -o lab1-ex2.exe lab1-ex2.c
+```
+
+Try to analysis the means of these output log.