1 #include <stdint.h> 2 3 extern uintptr_t __stack_chk_guard; 4 #define STACK_CHK_GUARD __stack_chk_guard 5 6 #ifdef PTRGUARD_LOCAL 7 extern uintptr_t __pointer_chk_guard_local; 8 # define POINTER_CHK_GUARD __pointer_chk_guard_local 9 #else 10 extern uintptr_t __pointer_chk_guard; 11 # define POINTER_CHK_GUARD __pointer_chk_guard 12 #endif 13