1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
|
/* Test STT_GNU_IFUNC symbols:
1. Direct function call.
2. Function pointer.
3. Visibility with override.
*/
#include <stdlib.h>
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;
}
|