1 /* Test STT_GNU_IFUNC symbols with dlopen:
3 1. Direct function call.
5 3. Visibility with override.
12 extern int __attribute__ ((noinline
)) foo (void);
13 extern int __attribute__ ((noinline
)) foo_hidden (void);
14 extern int __attribute__ ((noinline
)) foo_protected (void);
16 typedef int (*foo_p
) (void);
19 __attribute__ ((noinline
))
26 __attribute__ ((noinline
))
33 __attribute__ ((noinline
))
46 void *h
= dlopen ("ifuncmod3.so", RTLD_LAZY
);
49 printf ("cannot load: %s\n", dlerror ());
56 printf ("symbol not found: %s\n", dlerror ());
62 f
= dlsym (h
, "get_foo_p");
65 printf ("symbol not found: %s\n", dlerror ());
69 ret
= dlsym (h
, "ret_foo");
72 printf ("symbol not found: %s\n", dlerror ());
81 if (*ret
!= -30 || (*p
) () != *ret
)
84 f
= dlsym (h
, "get_foo_hidden_p");
87 printf ("symbol not found: %s\n", dlerror ());
91 ret
= dlsym (h
, "ret_foo_hidden");
94 printf ("symbol not found: %s\n", dlerror ());
99 if (foo_hidden () != -20)
101 if (*ret
!= 1 || (*p
) () != *ret
)
104 f
= dlsym (h
, "get_foo_protected_p");
107 printf ("symbol not found: %s\n", dlerror ());
111 ret
= dlsym (h
, "ret_foo_protected");
114 printf ("symbol not found: %s\n", dlerror ());
119 if (p
== foo_protected
)
121 if (foo_protected () != -40)
123 if (*ret
!= 0 || (*p
) () != *ret
)
126 if (dlclose (h
) != 0)
128 printf ("cannot close: %s\n", dlerror ());
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