8 #define MAPS ((struct link_map *) _r_debug.r_map)
11 check_loaded_objects (const char **loaded)
18 for (n = 0; loaded[n]; n++)
23 found = (int *) alloca (sizeof (int) * n);
24 memset (found, 0, sizeof (int) * n);
28 printf(" --------------------------------------------------------\n");
29 for (lm = MAPS; lm; lm = lm->l_next)
31 if (lm->l_name && lm->l_name[0])
32 printf(" %s, count = %d\n", lm->l_name, (int) lm->l_direct_opencount);
33 if (lm->l_type == lt_loaded && lm->l_name)
36 for (n = 0; loaded[n] != NULL; n++)
38 if (strcmp (basename (loaded[n]), basename (lm->l_name)) == 0)
49 printf ("ERRORS: %s is not unloaded\n", lm->l_name);
54 for (n = 0; loaded[n] != NULL; n++)
59 printf ("ERRORS: %s is not loaded\n", loaded[n]);
67 load_dso (const char **loading, int undef, int flag)
70 const char *loaded[] = { NULL, NULL, NULL, NULL };
72 const char *errstring;
74 printf ("\nThis is what is in memory now:\n");
75 errors += check_loaded_objects (loaded);
77 printf ("Loading shared object %s: %s\n", loading[0],
78 flag == RTLD_LAZY ? "RTLD_LAZY" : "RTLD_NOW");
79 obj = dlopen (loading[0], flag);
82 if (flag == RTLD_LAZY)
85 printf ("ERRORS: dlopen shouldn't fail for RTLD_LAZY\n");
88 errstring = dlerror ();
89 if (strstr (errstring, "undefined symbol") == 0
90 || strstr (errstring, "circlemod2_undefined") == 0)
93 printf ("ERRORS: dlopen: `%s': Invalid error string\n",
97 printf ("dlopen: %s\n", errstring);
101 if (undef && flag == RTLD_NOW)
104 printf ("ERRORS: dlopen shouldn't work for RTLD_NOW\n");
111 func = dlsym (obj, "circlemod1");
115 printf ("ERRORS: cannot get address of \"circlemod1\": %s\n",
118 else if (func () != 3)
121 printf ("ERRORS: function \"circlemod1\" returned wrong result\n");
125 loaded[0] = loading[0];
126 loaded[1] = loading[1];
127 loaded[2] = loading[2];
129 errors += check_loaded_objects (loaded);
133 printf ("UnLoading shared object %s\n", loading[0]);
138 errors += check_loaded_objects (loaded);
148 const char *loading[3];
150 loading[0] = "circlemod1a.so";
151 loading[1] = "circlemod2a.so";
152 loading[2] = "circlemod3a.so";
153 errors += load_dso (loading, 0, RTLD_LAZY);
154 errors += load_dso (loading, 0, RTLD_NOW);
156 loading[0] = "circlemod1.so";
157 loading[1] = "circlemod2.so";
158 loading[2] = "circlemod3.so";
159 errors += load_dso (loading, 1, RTLD_LAZY);
160 errors += load_dso (loading, 1, RTLD_NOW);
163 printf ("%d errors found\n", errors);