elf/ifuncmain5.c

   1 /* Test STT_GNU_IFUNC symbols with dynamic function pointer only.  */
   2
   3 #include <stdlib.h>
   4
   5 extern int foo (void);
   6 extern int foo_protected (void);
   7
   8 typedef int (*foo_p) (void);
   9
  10 foo_p
  11 __attribute__ ((noinline))
  12 get_foo (void)
  13 {
  14   return foo;
  15 }
  16
  17 foo_p
  18 __attribute__ ((noinline))
  19 get_foo_protected (void)
  20 {
  21   return foo_protected;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   foo_p p;
  28
  29   p = get_foo ();
  30   if ((*p) () != -1)
  31     abort ();
  32
  33   p = get_foo_protected ();
  34   if ((*p) () != 0)
  35     abort ();
  36
  37   return 0;
  38 }