#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; \ | |
}) |