Subversion Repositories open8_urisc

/* Test STT_GNU_IFUNC symbols in PIE:
 
   1. Direct function call.
   2. Function pointer.
   3. Reference from a shared library.
 */
 
#include <stdlib.h>
#include "ifunc-sel.h"
 
typedef int (*foo_p) (void);
extern foo_p foo_ptr;
 
static int
one (void)
{
  return -30;
}
 
void * foo_ifunc (void) __asm__ ("foo");
__asm__(".type foo, %gnu_indirect_function");
 
void *
foo_ifunc (void)
{
  return ifunc_one (one);
}
 
extern int foo (void);
extern foo_p get_foo (void);
extern foo_p get_foo_p (void);
 
foo_p my_foo_ptr = foo;
 
int
main (void)
{
  foo_p p;
 
  p = get_foo ();
  if (p != foo)
    abort ();
  if ((*p) () != -30)
    abort ();
 
  p = get_foo_p ();
  if (p != foo)
    abort ();
  if ((*p) () != -30)
    abort ();
 
  if (foo_ptr != foo)
    abort ();
  if (my_foo_ptr != foo)
    abort ();
  if ((*foo_ptr) () != -30)
    abort ();
  if ((*my_foo_ptr) () != -30)
    abort ();
  if (foo () != -30)
    abort ();
 
  return 0;
}