| 60,10 → 60,13 |
|---|
| */ |
| } |
| |
| typedef void (*fptr_t)(void); |
| |
| int main(int argc, char *argv[]) |
| { |
| void *a; |
| void *s; |
| fptr_t fun; |
| |
| char *lib_name; |
| char *sym_name; |
| 71,8 → 74,8 |
|---|
| // kputint(-1); |
| printf("Hello from dltest!\n"); |
| |
| lib_name = "libc.so.0"; |
| sym_name = "printf"; |
| lib_name = "libtest.so.0"; |
| sym_name = "test_func"; |
| |
| a = dlopen(lib_name, 0); |
| if (a != NULL) { |
| 79,8 → 82,14 |
|---|
| s = dlsym(a, sym_name); |
| printf("symbol '%s' = 0x%lx\n", sym_name, (long) s); |
| } else { |
| printf("failed to dlopen() library '%s'\n"); |
| printf("failed to dlopen() library '%s'\n", lib_name); |
| } |
| |
| printf("Run dynamically-resolved function '%s'...\n", sym_name); |
| fun = (fptr_t) s; |
| (*fun)(); |
| printf("OK\n"); |
| |
| return 0; |
| } |
| |