Subversion Repositories open8_urisc

/* Test STT_GNU_IFUNC symbols:
 
   1. Direct function call.
   2. Function pointer.
   3. Visibility.
 */
#include "ifunc-sel.h"
 
int global __attribute__ ((visibility ("protected"))) = -1;
 
static int
one (void)
{
  return 1;
}
 
static int
minus_one (void)
{
  return -1;
}
 
static int
zero (void)
{
  return 0;
}
 
void * foo_ifunc (void) __asm__ ("foo");
__asm__(".type foo, %gnu_indirect_function");
 
void *
foo_ifunc (void)
{
  return ifunc_sel (one, minus_one, zero);
}
 
void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
__asm__(".type foo_hidden, %gnu_indirect_function");
 
void *
foo_hidden_ifunc (void)
{
  return ifunc_sel (minus_one, one, zero);
}
 
void * foo_protected_ifunc (void) __asm__ ("foo_protected");
__asm__(".type foo_protected, %gnu_indirect_function");
 
void *
foo_protected_ifunc (void)
{
  return ifunc_sel (one, zero, minus_one);
}
 
/* Test hidden indirect function.  */
__asm__(".hidden foo_hidden");
 
/* Test protected indirect function.  */
__asm__(".protected foo_protected");
 
extern int foo (void);
extern int foo_hidden (void);
extern int foo_protected (void);
extern int ret_foo;
extern int ret_foo_hidden;
extern int ret_foo_protected;
 
#define FOO_P
typedef int (*foo_p) (void);
 
extern foo_p get_foo_p (void);
extern foo_p get_foo_hidden_p (void);
extern foo_p get_foo_protected_p (void);
 
foo_p
get_foo_p (void)
{
  ret_foo = foo ();
  return foo;
}
 
foo_p
get_foo_hidden_p (void)
{
  ret_foo_hidden = foo_hidden ();
  return foo_hidden;
}
 
foo_p
get_foo_protected_p (void)
{
  ret_foo_protected = foo_protected ();
  return foo_protected;
}