+/* Sticks a system call number (SYS_EXIT) at the very top of the
+ stack, then invokes a system call with the stack pointer
+ (%esp) set to its address. The process must be terminated
+ with -1 exit code because the argument to the system call
+ would be above the top of the user address space. */
+
#include <syscall-nr.h>
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
- asm volatile ("mov %%esp, 0xbffffffc; mov [dword ptr %%esp], %0; int 0x30"
- :: "i" (SYS_exit));
+ asm volatile ("movl $0xbffffffc, %%esp; movl %0, (%%esp); int $0x30"
+ : : "i" (SYS_EXIT));
fail ("should have called exit(-1)");
}