1  #include <stdint.h>
       2  
       3  #define STACK_CHK_GUARD \
       4    ({ uintptr_t x; asm ("ldx [%%g7+0x28], %0" : "=r" (x)); x; })
       5  
       6  #define POINTER_CHK_GUARD \
       7    ({ uintptr_t x; asm ("ldx [%%g7+0x30], %0" : "=r" (x)); x; })