Commit | Line | Data |
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7223e9ca ILT |
1 | /* Test STT_GNU_IFUNC symbols: |
2 | ||
3 | 1. Direct function call. | |
4 | 2. Function pointer. | |
5 | 3. Visibility with override. | |
6 | */ | |
7 | ||
8 | #include <stdlib.h> | |
9 | ||
10 | int __attribute__ ((noinline)) foo_hidden (void); | |
11 | ||
12 | int ret_foo; | |
13 | int ret_foo_hidden; | |
14 | int ret_foo_protected; | |
15 | ||
16 | extern int foo (void); | |
17 | extern int foo_protected (void); | |
18 | ||
19 | #ifndef FOO_P | |
20 | typedef int (*foo_p) (void); | |
21 | #endif | |
22 | ||
23 | foo_p foo_ptr = foo; | |
24 | foo_p foo_procted_ptr = foo_protected; | |
25 | ||
26 | extern foo_p get_foo_p (void); | |
27 | extern foo_p get_foo_hidden_p (void); | |
28 | extern foo_p get_foo_protected_p (void); | |
29 | ||
30 | int | |
31 | __attribute__ ((noinline)) | |
32 | foo (void) | |
33 | { | |
34 | return -30; | |
35 | } | |
36 | ||
37 | int | |
38 | __attribute__ ((noinline)) | |
39 | foo_hidden (void) | |
40 | { | |
41 | return -20; | |
42 | } | |
43 | ||
44 | int | |
45 | __attribute__ ((noinline)) | |
46 | foo_protected (void) | |
47 | { | |
48 | return -40; | |
49 | } | |
50 | ||
51 | int | |
52 | main (void) | |
53 | { | |
54 | foo_p p; | |
55 | ||
56 | if (foo_ptr != foo) | |
57 | abort (); | |
58 | if ((*foo_ptr) () != -30) | |
59 | abort (); | |
60 | ||
61 | if (foo_procted_ptr != foo_protected) | |
62 | abort (); | |
63 | if ((*foo_procted_ptr) () != -40) | |
64 | abort (); | |
65 | ||
66 | p = get_foo_p (); | |
67 | if (p != foo) | |
68 | abort (); | |
69 | if (foo () != -30) | |
70 | abort (); | |
71 | if (ret_foo != -30 || (*p) () != ret_foo) | |
72 | abort (); | |
73 | ||
74 | p = get_foo_hidden_p (); | |
75 | if (foo_hidden () != -20) | |
76 | abort (); | |
77 | if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden) | |
78 | abort (); | |
79 | ||
80 | p = get_foo_protected_p (); | |
81 | if (p == foo_protected) | |
82 | abort (); | |
83 | if (foo_protected () != -40) | |
84 | abort (); | |
85 | if (ret_foo_protected != 0 || (*p) () != ret_foo_protected) | |
86 | abort (); | |
87 | ||
88 | return 0; | |
89 | } |