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#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; \
})
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