| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <dlfcn.h> |
| 2 | #include <stdio.h> |
| 3 | |
| 4 | extern int found_in_mod1 (void); |
| 5 | int |
| 6 | found_in_mod1 (void) |
| 7 | { |
| 8 | return 1; |
| 9 | } |
| 10 | |
| 11 | extern int found_in_mod2 (void); |
| 12 | int |
| 13 | found_in_mod2 (void) |
| 14 | { |
| 15 | return 2; |
| 16 | } |
| 17 | |
| 18 | |
| 19 | extern int test_in_mod2 (int (*mainp)(int, char **)); |
| 20 | int |
| 21 | test_in_mod2 (int (*mainp)(int, char **)) |
| 22 | { |
| 23 | int (*ifp) (void); |
| 24 | void *p; |
| 25 | int result = 0; |
| 26 | |
| 27 | /* Find function `main'. */ |
| 28 | p = dlsym (RTLD_DEFAULT, "main"); |
| 29 | if (p == NULL) |
| 30 | { |
| 31 | printf ("%s: main not found\n", __FILE__); |
| 32 | result = 1; |
| 33 | } |
| 34 | else if ((int (*)(int, char **))p != mainp) |
| 35 | { |
| 36 | printf ("%s: wrong address returned for main\n", __FILE__); |
| 37 | result = 1; |
| 38 | } |
| 39 | else |
| 40 | printf ("%s: main correctly found\n", __FILE__); |
| 41 | |
| 42 | ifp = dlsym (RTLD_DEFAULT, "found_in_mod1"); |
| 43 | if ((void *) ifp == NULL) |
| 44 | { |
| 45 | printf ("%s: found_in_mod1 not found\n", __FILE__); |
| 46 | result = 1; |
| 47 | } |
| 48 | else if (ifp () != 1) |
| 49 | { |
| 50 | printf ("%s: wrong address returned for found_in_mod1\n", __FILE__); |
| 51 | result = 1; |
| 52 | } |
| 53 | else |
| 54 | printf ("%s: found_in_mod1 correctly found\n", __FILE__); |
| 55 | |
| 56 | ifp = dlsym (RTLD_DEFAULT, "found_in_mod2"); |
| 57 | if ((void *) ifp == NULL) |
| 58 | { |
| 59 | printf ("%s: found_in_mod2 not found\n", __FILE__); |
| 60 | result = 1; |
| 61 | } |
| 62 | else if (ifp () != 2) |
| 63 | { |
| 64 | printf ("%s: wrong address returned for found_in_mod2\n", __FILE__); |
| 65 | result = 1; |
| 66 | } |
| 67 | else |
| 68 | printf ("%s: found_in_mod2 correctly found\n", __FILE__); |
| 69 | |
| 70 | return result; |
| 71 | } |