Viewing file:  eeprof-1.c (1.7 KB) -rw-r--r--
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/* { dg-require-effective-target return_address } */
/* { dg-options "-finstrument-functions" } */
/* { dg-xfail-run-if "" { powerpc-ibm-aix* } } */
extern void abort (void);
#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*, void*) NOCHK;
void __cyg_profile_func_exit (void*, void*) NOCHK;
__attribute__ ((noinline))
void __cyg_profile_func_enter (void *fn, void *parent)
{
entry_calls++;
last_fn_entered = (void (*)())fn;
}
__attribute__ ((noinline))
void __cyg_profile_func_exit (void *fn, void *parent)
{
exit_calls++;
last_fn_exited = (void (*)())fn;
}
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