#include <stdint.h>

#define STACK_CHK_GUARD \
  ({ uintptr_t x; asm ("ear %0,%%a0; sllg %0,%0,32; ear %0,%%a1; lg %0,0x28(%0)" : "=a" (x)); x; })

/* On s390/s390x there is no unique pointer guard, instead we use the
   same value as the stack guard.  */
#define POINTER_CHK_GUARD \
  ({							\
     uintptr_t x;					\
     asm ("ear %0,%%a0;"				\
	  "sllg %0,%0,32;"				\
	  "ear %0,%%a1;"				\
	  "lg %0,%1(%0)"				\
	 : "=a" (x)					\
	 : "i" (offsetof (tcbhead_t, stack_guard)));	\
     x;							\
   })