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;

}