stack usage when function called +----------------+
+| stack botom | <- 高位地址
+----------------+
| ... |
+----------------+
| ... |
+----------------+
| param3 |
+----------------+
| param2 |
+----------------+
| param1 |
+----------------+
| retrun address |
+----------------+
| previous [ebp] | <- [ebp]
+----------------+
-| local variables| <- 低位地址 <- [esp]
+----------------+
stack usage with no privillege-level changed interrupted procedure's and handler's stack
+-------------------+
| | <- ESP before transfer to handler
+-------------------+
| EFLAGES |
+-------------------+
| CS |
+-------------------+
| EIP |
+-------------------+
| Error Code | <- ESP after transfer to handler
+-------------------+
| |
+-------------------+
stack usage with privillege-level changed interrupted procedure's stack handler's stack
+-------------------+ +-------------------+
| | <- ESP before transfer to handler | |
+-------------------+ +-------------------+
| | | SS |
+-------------------+ +-------------------+
| | | ESP |
+-------------------+ +-------------------+
| | | EFLAGES |
+-------------------+ +-------------------+
| | | CS |
+-------------------+ +-------------------+
| | | EIP |
+-------------------+ +-------------------+
| | ESP after transfer to handler -> | Error Code |
+-------------------+ +-------------------+
| | | |
+-------------------+ +-------------------+