| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 | } |