u8 * format_ucontext_pc (u8 * s, va_list * args)
{
- ucontext_t * uc = va_arg (*args, ucontext_t *);
+ ucontext_t * uc __attribute__((unused));
unsigned long * regs = 0;
uword reg_no = 0;
+ uc = va_arg (*args, ucontext_t *);
+
#if defined (powerpc)
regs = &uc->uc_mcontext.uc_regs->gregs[0];
#elif defined (powerpc64)