1 | /* Test STT_GNU_IFUNC symbols: |
---|---|
2 | |
3 | 1. Direct function call. |
4 | 2. Function pointer. |
5 | 3. Visibility without override. |
6 | */ |
7 | |
8 | #include <stdlib.h> |
9 | |
10 | int ret_foo; |
11 | int ret_foo_hidden; |
12 | int ret_foo_protected; |
13 | |
14 | extern int foo (void); |
15 | extern int foo_protected (void); |
16 | |
17 | #ifndef FOO_P |
18 | typedef int (*foo_p) (void); |
19 | #endif |
20 | |
21 | foo_p foo_ptr = foo; |
22 | foo_p foo_procted_ptr = foo_protected; |
23 | |
24 | extern foo_p get_foo_p (void); |
25 | extern foo_p get_foo_hidden_p (void); |
26 | extern foo_p get_foo_protected_p (void); |
27 | |
28 | int |
29 | main (void) |
30 | { |
31 | foo_p p; |
32 | |
33 | if (foo_ptr != foo) |
34 | abort (); |
35 | if (foo () != -1) |
36 | abort (); |
37 | if ((*foo_ptr) () != -1) |
38 | abort (); |
39 | |
40 | if (foo_procted_ptr != foo_protected) |
41 | abort (); |
42 | if (foo_protected () != 0) |
43 | abort (); |
44 | if ((*foo_procted_ptr) () != 0) |
45 | abort (); |
46 | |
47 | p = get_foo_p (); |
48 | if (p != foo) |
49 | abort (); |
50 | if (ret_foo != -1 || (*p) () != ret_foo) |
51 | abort (); |
52 | |
53 | p = get_foo_hidden_p (); |
54 | if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden) |
55 | abort (); |
56 | |
57 | p = get_foo_protected_p (); |
58 | if (p != foo_protected) |
59 | abort (); |
60 | if (ret_foo_protected != 0 || (*p) () != ret_foo_protected) |
61 | abort (); |
62 | |
63 | return 0; |
64 | } |
65 |