1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889 |
- /* Test STT_GNU_IFUNC symbols:
- 1. Direct function call.
- 2. Function pointer.
- 3. Visibility with override.
- */
- #include <stdlib.h>
- int __attribute__ ((noinline)) foo_hidden (void);
- int ret_foo;
- int ret_foo_hidden;
- int ret_foo_protected;
- extern int foo (void);
- extern int foo_protected (void);
- #ifndef FOO_P
- typedef int (*foo_p) (void);
- #endif
- foo_p foo_ptr = foo;
- foo_p foo_procted_ptr = foo_protected;
- extern foo_p get_foo_p (void);
- extern foo_p get_foo_hidden_p (void);
- extern foo_p get_foo_protected_p (void);
- int
- __attribute__ ((noinline))
- foo (void)
- {
- return -30;
- }
- int
- __attribute__ ((noinline))
- foo_hidden (void)
- {
- return -20;
- }
- int
- __attribute__ ((noinline))
- foo_protected (void)
- {
- return -40;
- }
- int
- main (void)
- {
- foo_p p;
-
- if (foo_ptr != foo)
- abort ();
- if ((*foo_ptr) () != -30)
- abort ();
- if (foo_procted_ptr != foo_protected)
- abort ();
- if ((*foo_procted_ptr) () != -40)
- abort ();
- p = get_foo_p ();
- if (p != foo)
- abort ();
- if (foo () != -30)
- abort ();
- if (ret_foo != -30 || (*p) () != ret_foo)
- abort ();
- p = get_foo_hidden_p ();
- if (foo_hidden () != -20)
- abort ();
- if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden)
- abort ();
- p = get_foo_protected_p ();
- if (p == foo_protected)
- abort ();
- if (foo_protected () != -40)
- abort ();
- if (ret_foo_protected != 0 || (*p) () != ret_foo_protected)
- abort ();
- return 0;
- }
|