sysdeps/powerpc/powerpc32/stackguard-macros.h

   1 #include <stdint.h>
   2
   3 #define STACK_CHK_GUARD \
   4   ({ uintptr_t x; asm ("lwz %0,-28680(2)" : "=r" (x)); x; })
   5
   6 #define POINTER_CHK_GUARD \
   7   ({                                                                                            \
   8      uintptr_t x;                                                                               \
   9      asm ("lwz %0,%1(2)"                                                                        \
  10           : "=r" (x)                                                                            \
  11           : "i" (offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t))     \
  12          );                                                                                     \
  13      x;                                                                                         \
  14    })