| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | #include <dlfcn.h> |
| 2 | #include <error.h> |
| 3 | #include <mcheck.h> |
| 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | |
| 7 | int |
| 8 | main (void) |
| 9 | { |
| 10 | void *h1; |
| 11 | int (*fp1) (int); |
| 12 | void *h2; |
| 13 | int (*fp2) (int); |
| 14 | int res1; |
| 15 | int res2; |
| 16 | |
| 17 | mtrace (); |
| 18 | |
| 19 | h1 = dlopen ("testobj1.so", RTLD_LAZY); |
| 20 | if (h1 == NULL) |
| 21 | error (EXIT_FAILURE, 0, "while loading `%s': %s", "testobj1.so", |
| 22 | dlerror ()); |
| 23 | |
| 24 | h2 = dlopen ("testobj1_1.so", RTLD_LAZY); |
| 25 | if (h1 == NULL) |
| 26 | error (EXIT_FAILURE, 0, "while loading `%s': %s", "testobj1_1.so", |
| 27 | dlerror ()); |
| 28 | |
| 29 | fp1 = dlsym (h1, "obj1func1"); |
| 30 | if (fp1 == NULL) |
| 31 | error (EXIT_FAILURE, 0, "getting `obj1func1' in `%s': %s", |
| 32 | "testobj1.so", dlerror ()); |
| 33 | |
| 34 | fp2 = dlsym (h2, "obj1func1"); |
| 35 | if (fp2 == NULL) |
| 36 | error (EXIT_FAILURE, 0, "getting `obj1func1' in `%s': %s", |
| 37 | "testobj1_1.so", dlerror ()); |
| 38 | |
| 39 | res1 = fp1 (10); |
| 40 | res2 = fp2 (10); |
| 41 | printf ("fp1(10) = %d\nfp2(10) = %d\n", res1, res2); |
| 42 | |
| 43 | if (dlclose (h1) != 0) |
| 44 | error (EXIT_FAILURE, 0, "cannot close testobj1.so: %s\n", dlerror ()); |
| 45 | if (dlclose (h2) != 0) |
| 46 | error (EXIT_FAILURE, 0, "cannot close testobj1_1.so: %s\n", dlerror ()); |
| 47 | |
| 48 | return res1 != 42 || res2 != 72; |
| 49 | } |
| 50 | |
| 51 | |
| 52 | extern int foo (int a); |
| 53 | int |
| 54 | foo (int a) |
| 55 | { |
| 56 | return a + 10; |
| 57 | } |