blob: 449e8d488f013582ae250b6c7a200cfe71119579 [file] [log] [blame]
#include <stdint.h>
#define STACK_CHK_GUARD \
({ uintptr_t x; asm ("ear %0,%%a0; l %0,0x14(%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; l %0,%1(%0)" \
: "=a" (x) \
: "i" (offsetof (tcbhead_t, stack_guard))); \
x; \
})