/* 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; }