binutils-gdb/gold/testsuite/ifuncmain7.c
H.J. Lu 6695e4b3d3 Support building gold with gcc 4.2/4.3.
2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/11996
	* object.cc (Sized_relobj::do_finalize_local_symbols): Remove
	"This::" to work around a bug in gcc 4.2.

	* testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2010-09-09 19:57:06 +00:00

75 lines
1.0 KiB
C

/* Test local STT_GNU_IFUNC symbols:
1. Direct function call.
2. Function pointer.
*/
#include <stdlib.h>
#include "ifunc-sel.h"
extern int foo (void);
static int
one (void)
{
return -30;
}
static void * __attribute__ ((used)) foo_ifunc (void) __asm__ ("foo");
__asm__(".type foo, %gnu_indirect_function");
static void *
__attribute__ ((used))
foo_ifunc (void)
{
return ifunc_one (one);
}
typedef int (*foo_p) (void);
extern foo_p __attribute__ ((noinline)) get_foo_p (void);
extern foo_p __attribute__ ((noinline)) get_foo (void);
foo_p foo_ptr = foo;
foo_p
__attribute__ ((noinline))
get_foo_p (void)
{
return foo_ptr;
}
foo_p
__attribute__ ((noinline))
get_foo (void)
{
return 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 ((*foo_ptr) () != -30)
abort ();
if (foo () != -30)
abort ();
return 0;
}