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Make lookup_page() just return null for uaddr >= PHYS_BASE.
[pintos-anon]
/
src
/
userprog
/
syscall.c
diff --git
a/src/userprog/syscall.c
b/src/userprog/syscall.c
index 6084726f607506aa97a137c98303dc9732364a8d..7f758c617d8089fd664cafba0d7973ae9ccc5e57 100644
(file)
--- a/
src/userprog/syscall.c
+++ b/
src/userprog/syscall.c
@@
-1,7
+1,8
@@
-#include "syscall.h"
-#include "lib.h"
-#include "interrupt.h"
-#include "thread.h"
+#include "userprog/syscall.h"
+#include <stdio.h>
+#include <syscall-nr.h>
+#include "threads/interrupt.h"
+#include "threads/thread.h"
static void syscall_handler (struct intr_frame *);
static void syscall_handler (struct intr_frame *);
@@
-14,6
+15,6
@@
syscall_init (void)
static void
syscall_handler (struct intr_frame *f)
{
static void
syscall_handler (struct intr_frame *f)
{
- print
k
("system call!\n");
+ print
f
("system call!\n");
thread_exit ();
}
thread_exit ();
}