hjl / source-git / glibc

Forked from source-git/glibc 3 years ago
Clone

Blame elf/ifuncdep2.c

Packit 6c4009
/* Test 3 STT_GNU_IFUNC symbols.  */
Packit 6c4009
Packit 6c4009
#include "ifunc-sel.h"
Packit 6c4009
Packit 6c4009
int global = -1;
Packit 6c4009
/* Can't use __attribute__((visibility("protected"))) until the GCC bug:
Packit 6c4009
Packit 6c4009
   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65248
Packit 6c4009
Packit 6c4009
   is fixed.  */
Packit 6c4009
asm (".protected global");
Packit 6c4009
Packit 6c4009
static int
Packit 6c4009
one (void)
Packit 6c4009
{
Packit 6c4009
  return 1;
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
static int
Packit 6c4009
minus_one (void)
Packit 6c4009
{
Packit 6c4009
  return -1;
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
static int
Packit 6c4009
zero (void)
Packit 6c4009
{
Packit 6c4009
  return 0;
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
void * foo1_ifunc (void) __asm__ ("foo1");
Packit 6c4009
__asm__(".type foo1, %gnu_indirect_function");
Packit 6c4009
Packit 6c4009
void *
Packit 6c4009
inhibit_stack_protector
Packit 6c4009
foo1_ifunc (void)
Packit 6c4009
{
Packit 6c4009
  return ifunc_sel (one, minus_one, zero);
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
void * foo2_ifunc (void) __asm__ ("foo2");
Packit 6c4009
__asm__(".type foo2, %gnu_indirect_function");
Packit 6c4009
Packit 6c4009
void *
Packit 6c4009
inhibit_stack_protector
Packit 6c4009
foo2_ifunc (void)
Packit 6c4009
{
Packit 6c4009
  return ifunc_sel (minus_one, one, zero);
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
void * foo3_ifunc (void) __asm__ ("foo3");
Packit 6c4009
__asm__(".type foo3, %gnu_indirect_function");
Packit 6c4009
Packit 6c4009
void *
Packit 6c4009
inhibit_stack_protector
Packit 6c4009
foo3_ifunc (void)
Packit 6c4009
{
Packit 6c4009
  return ifunc_sel (one, zero, minus_one);
Packit 6c4009
}