Subversion Repositories openrisc_me

#define ASSERT(X)	if (!(X)) abort ();
#define NOCHK __attribute__ ((no_instrument_function))
 
int entry_calls, exit_calls;
void (*last_fn_entered)();
void (*last_fn_exited)();
 
__attribute__ ((noinline))
int main () NOCHK;
 
__attribute__ ((noinline))
void foo ()
{
  ASSERT (last_fn_entered == foo);
}
 
__attribute__ ((noinline))
static void foo2 ()
{
  ASSERT (entry_calls == 1 && exit_calls == 0);
  ASSERT (last_fn_entered == foo2);
  foo ();
  ASSERT (entry_calls == 2 && exit_calls == 1);
  ASSERT (last_fn_entered == foo);
  ASSERT (last_fn_exited == foo);
}
 
__attribute__ ((noinline))
void nfoo (void) NOCHK;
void nfoo ()
{
  ASSERT (entry_calls == 2 && exit_calls == 2);
  ASSERT (last_fn_entered == foo);
  ASSERT (last_fn_exited == foo2);
  foo ();
  ASSERT (entry_calls == 3 && exit_calls == 3);
  ASSERT (last_fn_entered == foo);
  ASSERT (last_fn_exited == foo);
}
 
int main ()
{
  ASSERT (entry_calls == 0 && exit_calls == 0);
 
  foo2 ();
 
  ASSERT (entry_calls == 2 && exit_calls == 2);
  ASSERT (last_fn_entered == foo);
  ASSERT (last_fn_exited == foo2);
 
  nfoo ();
 
  ASSERT (entry_calls == 3 && exit_calls == 3);
  ASSERT (last_fn_entered == foo);
 
  return 0;
}
 
void __cyg_profile_func_enter (void (*fn)(), void (*parent)()) NOCHK;
void __cyg_profile_func_exit (void (*fn)(), void (*parent)()) NOCHK;
 
__attribute__ ((noinline))
void __cyg_profile_func_enter (void (*fn)(), void (*parent)())
{
  entry_calls++;
  last_fn_entered = fn;
}
__attribute__ ((noinline))
void __cyg_profile_func_exit (void (*fn)(), void (*parent)())
{
  exit_calls++;
  last_fn_exited = fn;
}