ld/testsuite/ld-elf/pr18718.c

   1 #include <stdio.h>
   2 #include <bfd_stdint.h>
   3
   4 extern void foo (void);
   5 extern void check_ptr_eq (void *, void *);
   6
   7 void
   8 new_foo (void)
   9 {
  10 }
  11
  12 __asm__(".symver new_foo, foo@@VERS_2.0");
  13
  14 #if defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 4005
  15 __attribute__ ((noinline, noclone))
  16 #else
  17 __attribute__ ((noinline))
  18 #endif
  19 int
  20 bar (void)
  21 {
  22   return (intptr_t) &foo == 0x12345678 ? 1 : 0;
  23 }
  24
  25 int
  26 main(void)
  27 {
  28   bar ();
  29   check_ptr_eq (&foo, &new_foo);
  30   printf("PASS\n");
  31   return 0;
  32 }