mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-21 01:12:32 +08:00
6695e4b3d3
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)).
75 lines
1.0 KiB
C
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;
|
|
}
|