]>
sourceware.org Git - glibc.git/blob - elf/reldep.c
16 /* Open the two objects. */
17 h1
= dlopen ("reldepmod1.so", RTLD_LAZY
| RTLD_GLOBAL
);
20 printf ("cannot open reldepmod1.so: %s\n", dlerror ());
23 h2
= dlopen ("reldepmod2.so", RTLD_LAZY
);
26 printf ("cannot open reldepmod2.so: %s\n", dlerror ());
30 /* Get the address of the variable in reldepmod1.so. */
31 vp
= dlsym (h1
, "some_var");
34 printf ("cannot get address of \"some_var\": %s\n", dlerror ());
40 /* Get the function `call_me' in the second object. This has a
41 dependency which is resolved by a definition in reldepmod1.so. */
42 fp
= dlsym (h2
, "call_me");
45 printf ("cannot get address of \"call_me\": %s\n", dlerror ());
49 /* Call the function. */
52 puts ("function \"call_me\" returned wrong result");
56 /* Now close the first object. If must still be around since we have
57 a implicit dependency. */
58 if (dlclose (h1
) != 0)
60 printf ("closing h1 failed: %s\n", dlerror ());
64 /* Try calling the function again. This will fail if the first object
68 puts ("second call of function \"call_me\" returned wrong result");
72 /* Now close the second file as well. */
73 if (dlclose (h2
) != 0)
75 printf ("closing h2 failed: %s\n", dlerror ());
79 /* Finally, open the first object again. */
80 h1
= dlopen ("reldepmod1.so", RTLD_LAZY
| RTLD_GLOBAL
);
83 printf ("cannot open reldepmod1.so the second time: %s\n", dlerror ());
87 /* And get the variable address again. */
88 vp
= dlsym (h1
, "some_var");
91 printf ("cannot get address of \"some_var\" the second time: %s\n",
96 /* The variable now must have its originial value. */
99 puts ("variable \"some_var\" not reset");
103 /* Close the first object again, we are done. */
104 if (dlclose (h1
) != 0)
106 printf ("closing h1 failed: %s\n", dlerror ());
This page took 0.040112 seconds and 5 git commands to generate.