1 /* Invokes a system call with one byte of the system call's
2 argument on a separate page from the rest of the bytes. This
5 #include <syscall-nr.h>
6 #include "tests/userprog/boundary.h"
8 #include "tests/main.h"
13 /* Make one byte of a syscall argument hang over into a second
15 int *p = (int *) ((char *) get_boundary_area () - 7);
19 /* Invoke the system call. */
20 asm volatile ("movl %0, %%esp; int $0x30" :: "g" (p));
21 fail ("should have called exit(67)");