elf/ifuncmain5.c

   1 /* Test STT_GNU_IFUNC symbols with dynamic function pointer only.  */
   2
   3 #include <stdlib.h>
   4
   5 int global = -1;
   6
   7 extern int foo (void);
   8 extern int foo_protected (void);
   9
  10 typedef int (*foo_p) (void);
  11
  12 foo_p
  13 __attribute__ ((noinline))
  14 get_foo (void)
  15 {
  16   return foo;
  17 }
  18
  19 foo_p
  20 __attribute__ ((noinline))
  21 get_foo_protected (void)
  22 {
  23   return foo_protected;
  24 }
  25
  26 int
  27 main (void)
  28 {
  29   foo_p p;
  30
  31   p = get_foo ();
  32   if ((*p) () != -1)
  33     abort ();
  34
  35   p = get_foo_protected ();
  36   if ((*p) () != 0)
  37     abort ();
  38
  39   return 0;
  40 }