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]);
66 extern void c_function (void);
67 extern char *dirname (const char *__filename);
70 main (int argc, char **argv)
73 const char *loaded[] = { NULL, NULL, NULL};
76 const char *dir = dirname (argv [0]);
82 printf ("\nThis is what is in memory now:\n");
83 errors += check_loaded_objects (loaded);
85 printf( "Loading shared object neededobj6.so\n");
86 obj = dlopen( "neededobj6.so", RTLD_LAZY);
89 printf ("%s\n", dlerror ());
92 f = dlsym (obj, "a2_function");
95 printf ("%s\n", dlerror ());
99 loaded[0] = "neededobj5.so";
100 loaded[1] = "neededobj6.so";
101 errors += check_loaded_objects (loaded);
103 printf ("Closing neededobj6.so\n");
106 errors += check_loaded_objects (loaded);
108 printf ("Rename neededobj5.so\n");
109 oldfilename = alloca (strlen (dir) + 1 + sizeof ("neededobj5.so"));
110 strcpy (oldfilename, dir);
111 strcat (oldfilename, "/");
112 strcat (oldfilename, "neededobj5.so");
113 newfilename = alloca (strlen (oldfilename) + sizeof (".renamed"));
114 strcpy (newfilename, oldfilename);
115 strcat (newfilename, ".renamed");
116 if (rename (oldfilename, newfilename))
122 printf( "Loading shared object neededobj6.so\n");
123 obj = dlopen( "neededobj6.so", RTLD_LAZY);
125 printf ("%s\n", dlerror ());
128 printf ("neededobj6.so should fail to load\n");
132 printf( "Loading shared object neededobj1.so\n");
133 obj = dlopen( "neededobj1.so", RTLD_LAZY);
136 printf ("%s\n", dlerror ());
139 errors += check_loaded_objects (loaded);
140 f = dlsym (obj, "c_function");
143 printf ("%s\n", dlerror ());
148 printf ("Restore neededobj5.so\n");
149 if (rename (newfilename, oldfilename))
156 printf ("%d errors found\n", errors);