i386/MIT/course/src/src.lab/user/faultnostack.c

   1 // test user fault handler being called with no exception stack mapped
   2
   3 #include <inc/lib.h>
   4
   5 void _pgfault_upcall();
   6
   7 void
   8 umain(int argc, char **argv)
   9 {
  10         sys_env_set_pgfault_upcall(0, (void*) _pgfault_upcall);
  11         *(int*)0 = 0;
  12 }