blob: 248b8ccbe0125a5318335b0af0f336fbedaef9bd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#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;
}
|
